/**
 * TCS Repair Forum — Frontend styles
 *
 * Color palette aligned with TCS Pune brand:
 *   --tcs-primary:    #00a0e3  (TCS teal)
 *   --tcs-primary-dark: #007bb0
 *   --tcs-accent:    #ff6b35  (warm orange — CTA / hover)
 *   --tcs-bg:        #f4f7fa
 *   --tcs-card:      #ffffff
 *   --tcs-text:      #1f2a37
 *   --tcs-text-muted: #6b7280
 *   --tcs-border:    #e2e8f0
 *   --tcs-success:   #16a34a
 *   --tcs-warning:   #f59e0b
 *   --tcs-danger:    #dc2626
 *
 * Mobile-first. Vanilla CSS — no framework dependency.
 */

:root {
    --tcs-primary: #00a0e3;
    --tcs-primary-dark: #007bb0;
    --tcs-accent: #ff6b35;
    --tcs-bg: #f4f7fa;
    --tcs-card: #ffffff;
    --tcs-text: #1f2a37;
    --tcs-text-muted: #6b7280;
    --tcs-border: #e2e8f0;
    --tcs-success: #16a34a;
    --tcs-warning: #f59e0b;
    --tcs-danger: #dc2626;
    --tcs-radius: 10px;
    --tcs-radius-sm: 6px;
    --tcs-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
    --tcs-shadow-hover: 0 4px 12px rgba(15, 23, 42, 0.12);
    --tcs-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* ==================== Layout ==================== */
.tcs-forum-threads,
.tcs-forum-form,
.tcs-recent-threads,
.tcs-top-contributors,
.tcs-forum-stats-grid,
.tcs-thread-replies-section {
    font-family: var(--tcs-font);
    color: var(--tcs-text);
    box-sizing: border-box;
}

.tcs-forum-threads {
    margin-top: 1rem;
}

/* ==================== Flash messages ==================== */
.tcs-flash {
    padding: 12px 16px;
    border-radius: var(--tcs-radius-sm);
    margin: 12px 0;
    border-left: 4px solid;
    font-size: 14px;
    line-height: 1.5;
}
.tcs-flash-success {
    background: #ecfdf5;
    border-color: var(--tcs-success);
    color: #065f46;
}
.tcs-flash-error {
    background: #fef2f2;
    border-color: var(--tcs-danger);
    color: #991b1b;
}

/* ==================== Filter bar ==================== */
.tcs-forum-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 12px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    box-shadow: var(--tcs-shadow);
    margin-bottom: 1rem;
}
.tcs-forum-filter-bar .tcs-filter-search {
    flex: 1 1 220px;
    min-width: 220px;
}
.tcs-forum-filter-bar .tcs-filter-select {
    flex: 0 0 auto;
}
.tcs-forum-filter-bar .tcs-filter-actions-right {
    margin-left: auto;
}
.tcs-forum-filter-bar input[type="search"],
.tcs-forum-filter-bar input[type="text"],
.tcs-forum-filter-bar select {
    padding: 8px 12px;
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius-sm);
    font-size: 14px;
    background: #fff;
    height: 38px;
    width: 100%;
    color: var(--tcs-text);
}
.tcs-forum-filter-bar input[type="search"]:focus,
.tcs-forum-filter-bar input[type="text"]:focus,
.tcs-forum-filter-bar select:focus {
    outline: 2px solid var(--tcs-primary);
    outline-offset: -1px;
    border-color: var(--tcs-primary);
}

/* ==================== Buttons ==================== */
.tcs-btn {
    display: inline-block;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    border: 1px solid transparent;
    border-radius: var(--tcs-radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.18s ease;
    background: #fff;
    color: var(--tcs-text);
    font-family: inherit;
    white-space: nowrap;
}
.tcs-btn:hover {
    transform: translateY(-1px);
}
.tcs-btn-primary {
    background: var(--tcs-primary);
    color: #fff;
    border-color: var(--tcs-primary);
}
.tcs-btn-primary:hover {
    background: var(--tcs-primary-dark);
    border-color: var(--tcs-primary-dark);
}
.tcs-btn-secondary {
    background: #fff;
    color: var(--tcs-text);
    border-color: var(--tcs-border);
}
.tcs-btn-secondary:hover {
    border-color: var(--tcs-primary);
    color: var(--tcs-primary);
}
.tcs-btn-ghost {
    background: transparent;
    color: var(--tcs-text-muted);
    border-color: transparent;
}
.tcs-btn-ghost:hover {
    color: var(--tcs-primary);
}
.tcs-btn-mini {
    padding: 4px 10px;
    font-size: 12px;
    background: transparent;
    border: 1px solid var(--tcs-border);
    color: var(--tcs-text-muted);
    border-radius: 4px;
}
.tcs-btn-mini:hover {
    border-color: var(--tcs-primary);
    color: var(--tcs-primary);
}
.tcs-btn-mini.is-marked {
    background: var(--tcs-success);
    border-color: var(--tcs-success);
    color: #fff;
}

/* ==================== Thread list cards ==================== */
.tcs-forum-threads {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.tcs-thread-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-left: 4px solid var(--tcs-primary);
    border-radius: var(--tcs-radius);
    padding: 16px;
    box-shadow: var(--tcs-shadow);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.tcs-thread-card:hover {
    box-shadow: var(--tcs-shadow-hover);
    transform: translateY(-1px);
}
.tcs-thread-card.status-resolved {
    border-left-color: var(--tcs-success);
}
.tcs-thread-card.status-answered {
    border-left-color: var(--tcs-warning);
}
.tcs-thread-card.status-closed {
    border-left-color: var(--tcs-text-muted);
}

.tcs-thread-stats-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    flex: 0 0 70px;
    text-align: center;
}
.tcs-thread-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 12px;
    color: var(--tcs-text-muted);
}
.tcs-thread-stat .tcs-stat-num {
    font-size: 18px;
    font-weight: 700;
    color: var(--tcs-text);
    line-height: 1;
}
.tcs-thread-stat .tcs-stat-label {
    font-size: 11px;
    text-transform: lowercase;
}

.tcs-thread-content-col {
    flex: 1 1 auto;
    min-width: 0;
}
.tcs-thread-title {
    margin: 0 0 6px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.35;
}
.tcs-thread-title a {
    color: var(--tcs-text);
    text-decoration: none;
}
.tcs-thread-title a:hover {
    color: var(--tcs-primary);
}
.tcs-thread-excerpt {
    color: var(--tcs-text-muted);
    font-size: 13px;
    line-height: 1.5;
    margin: 0 0 8px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.tcs-thread-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--tcs-text-muted);
}
.tcs-thread-cat {
    background: #eef4f9;
    color: var(--tcs-primary-dark);
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 500;
}

/* Status badge */
.tcs-thread-status {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-left: 6px;
    vertical-align: middle;
}
.tcs-thread-status.status-open      { background: #e0f2fe; color: #075985; }
.tcs-thread-status.status-answered  { background: #fef3c7; color: #92400e; }
.tcs-thread-status.status-resolved  { background: #dcfce7; color: #166534; }
.tcs-thread-status.status-closed    { background: #f3f4f6; color: #4b5563; }

/* ==================== Empty state ==================== */
.tcs-forum-empty {
    text-align: center;
    padding: 60px 20px;
    background: var(--tcs-card);
    border: 1px dashed var(--tcs-border);
    border-radius: var(--tcs-radius);
    color: var(--tcs-text-muted);
}
.tcs-forum-empty .tcs-btn {
    margin-top: 12px;
}

/* ==================== Pagination ==================== */
.tcs-forum-pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
    margin-top: 24px;
}
.tcs-forum-pagination .tcs-page {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius-sm);
    text-decoration: none;
    color: var(--tcs-text);
    font-size: 13px;
    background: #fff;
    min-width: 36px;
    text-align: center;
}
.tcs-forum-pagination .tcs-page:hover {
    border-color: var(--tcs-primary);
    color: var(--tcs-primary);
}
.tcs-forum-pagination .tcs-page.tcs-page-current {
    background: var(--tcs-primary);
    color: #fff;
    border-color: var(--tcs-primary);
    cursor: default;
}

/* ==================== Forms ==================== */
.tcs-forum-form {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 24px;
    box-shadow: var(--tcs-shadow);
    max-width: 820px;
}
.tcs-form-row {
    margin-bottom: 16px;
}
.tcs-form-row-2,
.tcs-form-row-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}
.tcs-form-row label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--tcs-text);
}
.tcs-form-row input[type="text"],
.tcs-form-row input[type="email"],
.tcs-form-row input[type="tel"],
.tcs-form-row input[type="url"],
.tcs-form-row input[type="search"],
.tcs-form-row input[type="file"],
.tcs-form-row select,
.tcs-form-row textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--tcs-text);
    background: #fff;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.tcs-form-row input:focus,
.tcs-form-row select:focus,
.tcs-form-row textarea:focus {
    outline: none;
    border-color: var(--tcs-primary);
    box-shadow: 0 0 0 3px rgba(0, 160, 227, 0.12);
}
.tcs-form-row textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.5;
}
.tcs-help,
.tcs-form-note {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--tcs-text-muted);
}
.tcs-form-note {
    background: #f8fafc;
    padding: 10px 12px;
    border-radius: var(--tcs-radius-sm);
    border-left: 3px solid var(--tcs-primary);
}
.tcs-form-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

/* Honeypot — hidden from real users, visible to bots */
.tcs-hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

/* ==================== Single thread replies section ==================== */
.tcs-thread-replies-section {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 2px solid var(--tcs-border);
}
.tcs-replies-title {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.tcs-replies-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ==================== Reply cards ==================== */
.tcs-reply-card {
    display: flex;
    gap: 16px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 16px;
    box-shadow: var(--tcs-shadow);
    position: relative;
}
.tcs-reply-card.is-solution {
    border: 2px solid var(--tcs-success);
    background: linear-gradient(to bottom, #f0fdf4 0%, #ffffff 30%);
}
.tcs-solution-badge {
    position: absolute;
    top: -10px;
    left: 16px;
    background: var(--tcs-success);
    color: #fff;
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}
.tcs-solution-badge .dashicons {
    font-size: 14px;
    width: 14px;
    height: 14px;
}

.tcs-reply-vote-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    flex: 0 0 40px;
    padding-top: 6px;
}
.tcs-vote-btn {
    background: transparent;
    border: none;
    color: var(--tcs-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--tcs-radius-sm);
    font-size: 18px;
    line-height: 1;
    transition: all 0.15s ease;
}
.tcs-vote-btn:hover {
    color: var(--tcs-primary);
    background: #f0f9ff;
}
.tcs-vote-btn.is-active.tcs-vote-up {
    color: var(--tcs-success);
}
.tcs-vote-btn.is-active.tcs-vote-down {
    color: var(--tcs-danger);
}
.tcs-vote-score {
    font-size: 16px;
    font-weight: 700;
    color: var(--tcs-text);
    min-width: 28px;
    text-align: center;
}

.tcs-reply-content-col {
    flex: 1 1 auto;
    min-width: 0;
}
.tcs-reply-body {
    font-size: 14px;
    line-height: 1.6;
    color: var(--tcs-text);
    margin-bottom: 10px;
    word-wrap: break-word;
}
.tcs-reply-body p {
    margin: 0 0 8px 0;
}
.tcs-reply-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--tcs-text-muted);
    margin-bottom: 8px;
}
.tcs-reply-author {
    font-weight: 600;
    color: var(--tcs-text);
}

/* ==================== Login required ==================== */
.tcs-forum-login-required {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 32px;
    text-align: center;
    color: var(--tcs-text-muted);
}
.tcs-forum-login-required form {
    text-align: left;
    margin-top: 16px;
}

/* ==================== No replies / closed ==================== */
.tcs-no-replies,
.tcs-thread-closed {
    text-align: center;
    padding: 24px;
    background: #f8fafc;
    border: 1px dashed var(--tcs-border);
    border-radius: var(--tcs-radius);
    color: var(--tcs-text-muted);
    font-size: 14px;
    margin: 16px 0;
}

/* ==================== Recent threads widget ==================== */
.tcs-recent-threads ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.tcs-recent-threads li {
    padding: 10px 0;
    border-bottom: 1px solid var(--tcs-border);
    font-size: 13px;
}
.tcs-recent-threads li:last-child {
    border-bottom: none;
}
.tcs-recent-threads a {
    color: var(--tcs-text);
    text-decoration: none;
    font-weight: 500;
}
.tcs-recent-threads a:hover {
    color: var(--tcs-primary);
}
.tcs-recent-threads .tcs-thread-date {
    display: block;
    margin-top: 4px;
    color: var(--tcs-text-muted);
    font-size: 11px;
}

/* ==================== Top contributors ==================== */
.tcs-top-contributors ol {
    list-style: none;
    counter-reset: tcs-counter;
    padding: 0;
    margin: 0;
}
.tcs-top-contributors li {
    counter-increment: tcs-counter;
    display: grid;
    grid-template-columns: 32px 1fr auto;
    align-items: center;
    gap: 8px;
    padding: 10px 0;
    border-bottom: 1px solid var(--tcs-border);
}
.tcs-top-contributors li:last-child {
    border-bottom: none;
}
.tcs-top-contributors li::before {
    content: counter(tcs-counter);
    background: var(--tcs-primary);
    color: #fff;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}
.tcs-top-contributors .tcs-count {
    color: var(--tcs-text-muted);
    font-size: 12px;
}

/* ==================== Forum stats grid ==================== */
.tcs-forum-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.tcs-forum-stats-grid .tcs-stat {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--tcs-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.tcs-stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--tcs-primary);
    line-height: 1;
}
.tcs-stat-label {
    font-size: 12px;
    color: var(--tcs-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ==================== Dashicons fallback (icons used in vote/solution) ==================== */
.tcs-reply-card .dashicons,
.tcs-solution-badge .dashicons {
    font-family: 'dashicons';
    speak: none;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
}

/* ==================== Responsive — mobile ==================== */
@media screen and (max-width: 768px) {
    .tcs-thread-card {
        padding: 12px;
        gap: 12px;
    }
    .tcs-thread-stats-col {
        flex: 0 0 60px;
        flex-direction: row;
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .tcs-thread-stat .tcs-stat-num {
        font-size: 16px;
    }
    .tcs-forum-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .tcs-forum-filter-bar .tcs-filter-search,
    .tcs-forum-filter-bar .tcs-filter-select {
        width: 100%;
    }
    .tcs-forum-filter-bar .tcs-filter-actions-right {
        margin-left: 0;
        margin-top: 8px;
    }
    .tcs-form-row-2,
    .tcs-form-row-3 {
        grid-template-columns: 1fr;
    }
    .tcs-forum-form {
        padding: 16px;
    }
    .tcs-reply-card {
        padding: 12px;
        gap: 10px;
    }
    .tcs-reply-vote-col {
        flex-direction: row;
        flex: 1 1 auto;
        width: 100%;
        justify-content: flex-start;
        gap: 8px;
        padding-top: 0;
        border-bottom: 1px solid var(--tcs-border);
        padding-bottom: 8px;
        margin-bottom: 8px;
    }
    .tcs-vote-score {
        min-width: 0;
    }
    .tcs-replies-title {
        font-size: 18px;
    }
}

/* ==================== Print ==================== */
@media print {
    .tcs-forum-filter-bar,
    .tcs-forum-pagination,
    .tcs-reply-vote-col,
    .tcs-mark-solution-btn,
    .tcs-reply-form {
        display: none !important;
    }
    .tcs-thread-card,
    .tcs-reply-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* ========================================================
 * AUTH — signup / login / forgot / account
 * ======================================================== */

.tcs-auth-card {
    max-width: 520px;
    margin: 0 auto;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 32px;
    box-shadow: var(--tcs-shadow);
}
.tcs-auth-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--tcs-text);
    text-align: center;
}
.tcs-auth-subtitle {
    font-size: 14px;
    color: var(--tcs-text-muted);
    margin: 0 0 24px 0;
    text-align: center;
    line-height: 1.5;
}
.tcs-auth-form {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    max-width: none;
}
.tcs-auth-form .tcs-form-actions {
    justify-content: stretch;
}
.tcs-auth-form .tcs-form-actions .tcs-btn {
    flex: 1;
    text-align: center;
}
.tcs-auth-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: var(--tcs-text-muted);
}
.tcs-auth-link {
    color: var(--tcs-primary);
    text-decoration: none;
    font-size: 13px;
}
.tcs-auth-link:hover {
    text-decoration: underline;
}
.tcs-auth-row-inline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.tcs-checkbox-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--tcs-text);
    cursor: pointer;
}
.tcs-checkbox-row input[type="checkbox"] {
    margin: 0;
    accent-color: var(--tcs-primary);
}

/* Password reveal toggle */
.tcs-password-field {
    position: relative;
}
.tcs-password-field input {
    padding-right: 42px !important;
}
.tcs-toggle-password {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    font-size: 16px;
    line-height: 1;
    color: var(--tcs-text-muted);
    border-radius: 4px;
    transition: all 0.15s ease;
}
.tcs-toggle-password:hover {
    background: var(--tcs-bg);
    color: var(--tcs-primary);
}

/* ========================================================
 * USER BAR — above forum listing
 * ======================================================== */
.tcs-forum-user-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    border: 1px solid var(--tcs-border);
    border-left: 4px solid var(--tcs-primary);
    border-radius: var(--tcs-radius);
    padding: 12px 18px;
    margin-bottom: 20px;
    box-shadow: var(--tcs-shadow);
}
.tcs-user-bar-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.tcs-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px var(--tcs-border);
}
.tcs-user-greeting {
    font-size: 14px;
    color: var(--tcs-text);
}
.tcs-user-name {
    font-weight: 700;
    color: var(--tcs-primary-dark);
    text-decoration: none;
}
.tcs-user-name:hover {
    text-decoration: underline;
}
.tcs-user-stats {
    font-size: 12px;
    color: var(--tcs-text-muted);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.tcs-stat-pill {
    background: #fff;
    border: 1px solid var(--tcs-border);
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 500;
}
.tcs-user-bar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ========================================================
 * ACCOUNT PAGE
 * ======================================================== */
.tcs-account-page {
    max-width: 1100px;
    margin: 0 auto;
}
.tcs-account-header {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 24px;
    box-shadow: var(--tcs-shadow);
    margin-bottom: 20px;
}
.tcs-account-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--tcs-primary);
}
.tcs-account-name {
    margin: 0 0 4px 0;
    font-size: 22px;
    font-weight: 700;
}
.tcs-account-email {
    margin: 0;
    color: var(--tcs-text-muted);
    font-size: 13px;
}

.tcs-account-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.tcs-account-stats .tcs-stat {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 16px;
    text-align: center;
    box-shadow: var(--tcs-shadow);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.tcs-account-stats .tcs-stat-num {
    font-size: 22px;
    font-weight: 700;
    color: var(--tcs-primary);
    line-height: 1;
}
.tcs-account-stats .tcs-stat-label {
    font-size: 11px;
    color: var(--tcs-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tcs-account-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.tcs-account-col {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 24px;
    box-shadow: var(--tcs-shadow);
}
.tcs-account-col h2 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--tcs-text);
    border-bottom: 1px solid var(--tcs-border);
    padding-bottom: 8px;
}
.tcs-account-list h3 {
    margin: 16px 0 8px 0;
    font-size: 13px;
    color: var(--tcs-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.tcs-account-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.tcs-account-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--tcs-border);
    font-size: 13px;
}
.tcs-account-list li:last-child {
    border-bottom: none;
}
.tcs-account-list a {
    color: var(--tcs-text);
    text-decoration: none;
}
.tcs-account-list a:hover {
    color: var(--tcs-primary);
}
.tcs-account-empty {
    font-size: 13px;
    color: var(--tcs-text-muted);
    font-style: italic;
}

/* Account page responsive */
@media screen and (max-width: 768px) {
    .tcs-auth-card { padding: 20px; }
    .tcs-account-grid { grid-template-columns: 1fr; }
    .tcs-account-header {
        flex-direction: column;
        text-align: center;
    }
    .tcs-user-bar-info,
    .tcs-user-bar-actions {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================================
 * EMAIL VERIFICATION
 * ======================================================== */
.tcs-verify-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 12px;
}
.tcs-verify-steps {
    background: #f8fafc;
    border-left: 3px solid var(--tcs-primary);
    padding: 16px 20px;
    border-radius: var(--tcs-radius-sm);
    margin: 20px 0;
}
.tcs-verify-steps ol {
    margin: 0;
    padding-left: 20px;
    color: var(--tcs-text);
    font-size: 14px;
    line-height: 1.8;
}
.tcs-verify-note {
    background: #fef3c7;
    border-left: 3px solid var(--tcs-warning);
    padding: 16px 20px;
    border-radius: var(--tcs-radius-sm);
    margin: 20px 0;
    text-align: center;
}
.tcs-verify-note p {
    margin: 0 0 12px 0;
    color: #92400e;
    font-size: 13px;
}

/* Banner shown above the forum when email is not verified */
.tcs-verify-banner {
    background: linear-gradient(135deg, #fef3c7 0%, #fffbeb 100%);
    border: 1px solid #fde68a;
    border-left: 4px solid var(--tcs-warning);
    border-radius: var(--tcs-radius);
    padding: 14px 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.tcs-verify-banner-icon {
    font-size: 24px;
    flex-shrink: 0;
}
.tcs-verify-banner-content {
    flex: 1 1 280px;
    min-width: 0;
}
.tcs-verify-banner-title {
    font-weight: 700;
    color: #92400e;
    margin: 0 0 2px 0;
    font-size: 14px;
}
.tcs-verify-banner-text {
    color: #78350f;
    font-size: 13px;
    margin: 0;
}
.tcs-verify-banner-actions {
    flex-shrink: 0;
}

/* Verified badge on user bar */
.tcs-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #dcfce7;
    color: #166534;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
.tcs-unverified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #fef3c7;
    color: #92400e;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

/* ========================================================
 * REPAIR CHECKLIST — search, grid, single view
 * ======================================================== */
.tcs-checklist-search-wrap {
    font-family: var(--tcs-font);
    color: var(--tcs-text);
}

.tcs-checklist-search-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 16px;
    box-shadow: var(--tcs-shadow);
}
.tcs-checklist-search-bar input[type="search"],
.tcs-checklist-search-bar select {
    padding: 10px 14px;
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius-sm);
    font-size: 15px;
    font-family: inherit;
    background: #fff;
    color: var(--tcs-text);
}
.tcs-checklist-search-bar input[type="search"] {
    flex: 1 1 280px;
    min-width: 280px;
}
.tcs-checklist-search-bar select {
    flex: 0 0 auto;
}
.tcs-checklist-search-bar input:focus,
.tcs-checklist-search-bar select:focus {
    outline: none;
    border-color: var(--tcs-primary);
    box-shadow: 0 0 0 3px rgba(0, 160, 227, 0.12);
}

.tcs-checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 20px;
}
.tcs-checklist-card {
    display: block;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-left: 4px solid var(--tcs-primary);
    border-radius: var(--tcs-radius);
    padding: 18px;
    box-shadow: var(--tcs-shadow);
    text-decoration: none;
    color: var(--tcs-text);
    transition: all 0.18s ease;
}
.tcs-checklist-card:hover {
    box-shadow: var(--tcs-shadow-hover);
    transform: translateY(-2px);
    border-left-color: var(--tcs-accent);
}
.tcs-checklist-card h3 {
    margin: 0 0 8px 0;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
}
.tcs-checklist-parts {
    color: var(--tcs-text-muted);
    font-size: 13px;
    margin: 0 0 12px 0;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    background: #f8fafc;
    padding: 6px 10px;
    border-radius: 4px;
    border-left: 2px solid var(--tcs-primary);
}
.tcs-checklist-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0;
    font-size: 11px;
}
.tcs-checklist-difficulty,
.tcs-checklist-time,
.tcs-checklist-steps {
    background: #f1f5f9;
    color: var(--tcs-text-muted);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}
.tcs-checklist-difficulty.tcs-diff-beginner { background: #dcfce7; color: #166534; }
.tcs-checklist-difficulty.tcs-diff-intermediate { background: #fef3c7; color: #92400e; }
.tcs-checklist-difficulty.tcs-diff-expert { background: #fee2e2; color: #991b1b; }

.tcs-checklist-filter-bar {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 12px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
}
.tcs-checklist-filter-bar a {
    padding: 6px 14px;
    border-radius: 20px;
    background: #f1f5f9;
    color: var(--tcs-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
}
.tcs-checklist-filter-bar a:hover {
    background: #e0f2fe;
    color: var(--tcs-primary-dark);
}
.tcs-checklist-filter-bar a.active {
    background: var(--tcs-primary);
    color: #fff;
}

/* Single checklist view */
.tcs-checklist-single {
    font-family: var(--tcs-font);
    color: var(--tcs-text);
    margin-top: 32px;
}
.tcs-checklist-header {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 20px;
    box-shadow: var(--tcs-shadow);
    margin-bottom: 20px;
}
.tcs-checklist-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}
.tcs-meta-pill {
    background: #eef4f9;
    color: var(--tcs-primary-dark);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.tcs-meta-pill.tcs-diff-beginner { background: #dcfce7; color: #166534; }
.tcs-meta-pill.tcs-diff-intermediate { background: #fef3c7; color: #92400e; }
.tcs-meta-pill.tcs-diff-expert { background: #fee2e2; color: #991b1b; }
.tcs-checklist-models {
    margin: 0;
    font-size: 13px;
    color: var(--tcs-text-muted);
}
.tcs-checklist-safety {
    background: #fef3c7;
    border-left: 4px solid var(--tcs-warning);
    padding: 14px 18px;
    border-radius: var(--tcs-radius-sm);
    margin-bottom: 20px;
    color: #78350f;
    font-size: 14px;
}
.tcs-checklist-tools {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 20px;
    box-shadow: var(--tcs-shadow);
    margin-bottom: 20px;
}
.tcs-checklist-tools h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
}
.tcs-checklist-tools ul {
    margin: 0;
    padding-left: 20px;
    color: var(--tcs-text-muted);
    font-size: 14px;
}
.tcs-checklist-tools li {
    margin-bottom: 4px;
}

.tcs-checklist-progress-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 14px 18px;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--tcs-shadow);
}
.tcs-checklist-progress {
    flex: 1 1 auto;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}
.tcs-checklist-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--tcs-primary) 0%, var(--tcs-success) 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}
.tcs-checklist-progress-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--tcs-text);
    white-space: nowrap;
}

/* Steps */
.tcs-checklist-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: none;
}
.tcs-step-item {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 16px;
    margin-bottom: 10px;
    transition: all 0.2s ease;
}
.tcs-step-item:hover {
    border-color: var(--tcs-primary);
}
.tcs-step-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    cursor: pointer;
}
.tcs-step-checkbox input[type="checkbox"] {
    flex-shrink: 0;
    margin-top: 2px;
    width: 22px;
    height: 22px;
    accent-color: var(--tcs-primary);
    cursor: pointer;
}
.tcs-step-num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--tcs-primary);
    color: #fff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}
.tcs-step-content {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.tcs-step-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--tcs-text);
}
.tcs-step-desc {
    font-size: 14px;
    color: var(--tcs-text-muted);
    line-height: 1.6;
}
.tcs-step-warning {
    font-size: 12px;
    color: #92400e;
    background: #fef3c7;
    padding: 6px 10px;
    border-radius: 4px;
    border-left: 3px solid var(--tcs-warning);
    margin-top: 4px;
}

/* Completed state */
.tcs-step-item.is-done {
    background: #f0fdf4;
    border-color: var(--tcs-success);
    opacity: 0.75;
}
.tcs-step-item.is-done .tcs-step-num {
    background: var(--tcs-success);
}
.tcs-step-item.is-done .tcs-step-title {
    text-decoration: line-through;
    color: var(--tcs-text-muted);
}

/* Actions */
.tcs-checklist-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding: 16px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    flex-wrap: wrap;
}
.tcs-checklist-saved-note {
    font-size: 12px;
    color: var(--tcs-text-muted);
}

@media screen and (max-width: 768px) {
    .tcs-checklist-search-bar {
        flex-direction: column;
    }
    .tcs-checklist-search-bar input[type="search"],
    .tcs-checklist-search-bar select,
    .tcs-checklist-search-bar button {
        width: 100%;
    }
    .tcs-checklist-grid {
        grid-template-columns: 1fr;
    }
    .tcs-checklist-progress-wrap {
        position: static;
    }
}

/* ========================================================
 * FILE ATTACHMENTS — upload widget + gallery + file list
 * ======================================================== */
.tcs-upload-widget {
    margin-top: 4px;
}

.tcs-upload-dropzone {
    border: 2px dashed var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 24px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.18s ease;
    background: #fafbfc;
    position: relative;
}
.tcs-upload-dropzone:hover,
.tcs-upload-dropzone.is-dragover {
    border-color: var(--tcs-primary);
    background: #f0f9ff;
}
.tcs-upload-icon {
    font-size: 32px;
    margin-bottom: 8px;
}
.tcs-upload-text {
    margin: 0 0 4px 0;
    font-size: 14px;
    color: var(--tcs-text);
}
.tcs-upload-hint {
    margin: 0;
    font-size: 12px;
    color: var(--tcs-text-muted);
}
.tcs-upload-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Upload progress bar */
.tcs-upload-progress {
    margin-top: 8px;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}
.tcs-upload-progress-bar {
    height: 100%;
    background: var(--tcs-primary);
    width: 0%;
    transition: width 0.2s ease;
}
.tcs-upload-progress-text {
    position: absolute;
    top: -22px;
    right: 0;
    font-size: 11px;
    color: var(--tcs-text-muted);
}

/* Upload preview area */
.tcs-upload-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

/* Each uploaded file chip */
.tcs-upload-chip {
    position: relative;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius-sm);
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.15s ease;
}
.tcs-upload-chip:hover {
    border-color: var(--tcs-primary);
    box-shadow: var(--tcs-shadow);
}
.tcs-upload-chip-thumb {
    width: 44px;
    height: 44px;
    border-radius: 4px;
    object-fit: cover;
    flex-shrink: 0;
    background: #f1f5f9;
}
.tcs-upload-chip-icon {
    width: 44px;
    height: 44px;
    border-radius: 4px;
    flex-shrink: 0;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.tcs-upload-chip-info {
    flex: 1 1 auto;
    min-width: 0;
}
.tcs-upload-chip-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--tcs-text);
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.tcs-upload-chip-meta {
    font-size: 11px;
    color: var(--tcs-text-muted);
}
.tcs-upload-chip-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fee2e2;
    color: var(--tcs-danger);
    border: none;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}
.tcs-upload-chip-remove:hover {
    background: var(--tcs-danger);
    color: #fff;
}

/* Attachment gallery + file list (shown on thread + reply) */
.tcs-attachments-wrap {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--tcs-border);
}
.tcs-attachments-section {
    margin-bottom: 16px;
}
.tcs-attachments-section:last-child {
    margin-bottom: 0;
}
.tcs-attachments-title {
    margin: 0 0 8px 0;
    font-size: 12px;
    font-weight: 700;
    color: var(--tcs-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Image gallery (grid of thumbnails) */
.tcs-attachment-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}
.tcs-attachment-thumb {
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--tcs-radius-sm);
    border: 1px solid var(--tcs-border);
    background: #f1f5f9;
    transition: all 0.15s ease;
}
.tcs-attachment-thumb:hover {
    border-color: var(--tcs-primary);
    transform: scale(1.03);
}
.tcs-attachment-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* File list */
.tcs-attachment-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tcs-attachment-list li {
    margin: 0;
}
.tcs-attachment-file {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius-sm);
    text-decoration: none;
    color: var(--tcs-text);
    transition: all 0.15s ease;
}
.tcs-attachment-file:hover {
    border-color: var(--tcs-primary);
    background: #f0f9ff;
    text-decoration: none;
}
.tcs-file-icon {
    font-size: 22px;
    flex-shrink: 0;
    width: 32px;
    text-align: center;
}
.tcs-file-info {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.tcs-file-name {
    font-size: 13px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.tcs-file-meta {
    font-size: 11px;
    color: var(--tcs-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

@media screen and (max-width: 768px) {
    .tcs-upload-preview {
        grid-template-columns: 1fr;
    }
    .tcs-attachment-gallery {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}

/* ========================================================
 * AI DIAGNOSTIC SUGGESTIONS — appears below ask form title
 * ======================================================== */
.tcs-ai-suggestions {
    margin-top: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    border: 1px solid #bae6fd;
    border-left: 4px solid #0ea5e9;
    border-radius: var(--tcs-radius);
    animation: tcs-ai-slide-in 0.3s ease;
}

@keyframes tcs-ai-slide-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.tcs-ai-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.tcs-ai-icon {
    font-size: 18px;
    line-height: 1;
}

.tcs-ai-title {
    font-size: 13px;
    font-weight: 700;
    color: #0369a1;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tcs-ai-status {
    margin-left: auto;
    font-size: 12px;
    color: var(--tcs-text-muted);
    font-style: italic;
}

.tcs-ai-status.is-loading::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 2px solid #0ea5e9;
    border-top-color: transparent;
    border-radius: 50%;
    animation: tcs-ai-spin 0.8s linear infinite;
    margin-right: 6px;
    vertical-align: middle;
}

@keyframes tcs-ai-spin {
    to { transform: rotate(360deg); }
}

.tcs-ai-results {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tcs-ai-suggestion {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-left: 3px solid #0ea5e9;
    border-radius: var(--tcs-radius-sm);
    text-decoration: none;
    color: var(--tcs-text);
    transition: all 0.15s ease;
}

.tcs-ai-suggestion:hover {
    border-color: #0ea5e9;
    box-shadow: 0 2px 6px rgba(14, 165, 233, 0.15);
    transform: translateX(2px);
    color: var(--tcs-text);
    text-decoration: none;
}

.tcs-ai-suggestion-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.tcs-ai-suggestion-content {
    flex: 1 1 auto;
    min-width: 0;
}

.tcs-ai-suggestion-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--tcs-text);
    margin-bottom: 2px;
    line-height: 1.3;
}

.tcs-ai-suggestion-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 4px;
    font-size: 11px;
}

.tcs-ai-suggestion-pill {
    background: #e0f2fe;
    color: #075985;
    padding: 1px 7px;
    border-radius: 10px;
    font-weight: 500;
}

.tcs-ai-suggestion-conf {
    background: #dcfce7;
    color: #166534;
    padding: 1px 7px;
    border-radius: 10px;
    font-weight: 600;
}

.tcs-ai-suggestion-conf.conf-medium {
    background: #fef3c7;
    color: #92400e;
}

.tcs-ai-suggestion-conf.conf-low {
    background: #fee2e2;
    color: #991b1b;
}

.tcs-ai-suggestion-reason {
    font-size: 12px;
    color: var(--tcs-text-muted);
    line-height: 1.4;
    font-style: italic;
}

.tcs-ai-suggestion-arrow {
    align-self: center;
    color: #0ea5e9;
    font-size: 18px;
    flex-shrink: 0;
}

.tcs-ai-empty {
    padding: 10px;
    text-align: center;
    color: var(--tcs-text-muted);
    font-size: 13px;
    font-style: italic;
}

.tcs-ai-error {
    background: #fef2f2;
    border-left: 3px solid var(--tcs-danger);
    color: #991b1b;
    padding: 10px 12px;
    border-radius: var(--tcs-radius-sm);
    font-size: 12px;
}

@media screen and (max-width: 768px) {
    .tcs-ai-suggestion {
        flex-direction: column;
        gap: 8px;
    }
    .tcs-ai-suggestion-arrow {
        display: none;
    }
}

/* ========================================================
 * FEATURE UI — Revenue, Gamification, Localization, etc.
 * ======================================================== */

/* === CTA Boxes (Book Repair, Estimate Calculator) === */
.tcs-cta-box {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, #fff7ed 0%, #ffffff 100%);
    border: 1px solid #fed7aa;
    border-left: 4px solid #ff6b35;
    border-radius: var(--tcs-radius);
    padding: 18px 22px;
    margin: 24px 0;
    box-shadow: var(--tcs-shadow);
    flex-wrap: wrap;
}
.tcs-cta-icon { font-size: 32px; flex-shrink: 0; }
.tcs-cta-body { flex: 1 1 280px; min-width: 0; }
.tcs-cta-body h3 { margin: 0 0 4px 0; font-size: 16px; font-weight: 700; color: var(--tcs-text); }
.tcs-cta-body p { margin: 0; font-size: 13px; color: var(--tcs-text-muted); }
.tcs-estimate-range { font-size: 22px !important; font-weight: 700; color: var(--tcs-primary) !important; margin: 4px 0 !important; }
.tcs-estimate-note { font-size: 12px !important; }

/* === Affiliate Links === */
.tcs-affiliate-box {
    background: #fef3c7;
    border-left: 3px solid #f59e0b;
    padding: 14px 18px;
    border-radius: var(--tcs-radius-sm);
    margin: 20px 0;
}
.tcs-affiliate-box h4 { margin: 0 0 8px 0; font-size: 13px; }
.tcs-affiliate-box ul { margin: 0; padding-left: 18px; font-size: 13px; }
.tcs-affiliate-box a { color: #92400e; text-decoration: none; }
.tcs-affiliate-box a:hover { text-decoration: underline; }

/* === Paywall === */
.tcs-paywall {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    border: 2px dashed #00a0e3;
    border-radius: var(--tcs-radius);
    margin: 24px 0;
}
.tcs-paywall-icon { font-size: 48px; margin-bottom: 12px; }
.tcs-paywall h3 { margin: 0 0 8px 0; font-size: 20px; }
.tcs-paywall p { color: var(--tcs-text-muted); margin: 0 0 16px 0; font-size: 14px; }
.tcs-paywall .tcs-btn { margin: 0 4px; }

/* === Tip Jar === */
.tcs-tip-jar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fef3c7;
    border-left: 3px solid #f59e0b;
    padding: 12px 16px;
    border-radius: var(--tcs-radius-sm);
    margin-top: 12px;
}
.tcs-tip-qr { width: 80px; height: 80px; border-radius: 6px; flex-shrink: 0; border: 1px solid #fde68a; }
.tcs-tip-text { font-size: 13px; color: #78350f; }
.tcs-tip-text strong { display: block; font-size: 14px; margin-bottom: 2px; }

/* === Reputation Badges === */
.tcs-rep-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-left: 6px;
    vertical-align: middle;
}
.tcs-rep-bronze   { background: #fef3c7; color: #92400e; }
.tcs-rep-silver    { background: #e2e8f0; color: #475569; }
.tcs-rep-gold      { background: #fef3c7; color: #b45309; border: 1px solid #f59e0b; }
.tcs-rep-platinum  { background: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%); color: #5b21b6; border: 1px solid #a78bfa; }

/* === Verified TCS Engineer Badge === */
.tcs-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: #00a0e3;
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-left: 6px;
    vertical-align: middle;
}

/* === Subscribe + Report buttons === */
.tcs-subscribe-btn.is-subscribed {
    background: #dcfce7;
    border-color: #16a34a;
    color: #166534;
}
.tcs-report-btn { color: #dc2626; border-color: #fecaca; }
.tcs-report-btn:hover { background: #fef2f2; border-color: #dc2626; }

/* === Monthly Leaderboard === */
.tcs-monthly-leaderboard {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius);
    padding: 18px;
    box-shadow: var(--tcs-shadow);
}
.tcs-monthly-leaderboard h3 { margin: 0 0 12px 0; font-size: 14px; }
.tcs-monthly-leaderboard ol { list-style: none; padding: 0; margin: 0; }
.tcs-monthly-leaderboard li {
    display: grid;
    grid-template-columns: 28px 36px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--tcs-border);
}
.tcs-monthly-leaderboard li:last-child { border-bottom: none; }
.tcs-lb-rank {
    width: 24px; height: 24px;
    background: var(--tcs-primary);
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 24px;
    font-size: 12px;
    font-weight: 700;
}
.tcs-lb-avatar { width: 32px; height: 32px; border-radius: 50%; }
.tcs-lb-name { font-size: 13px; font-weight: 600; color: var(--tcs-text); }
.tcs-lb-count { font-size: 11px; color: var(--tcs-text-muted); }
.tcs-lb-reset { display: block; margin-top: 8px; font-size: 11px; color: var(--tcs-text-muted); font-style: italic; }

/* === Language Toggle === */
.tcs-lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: 20px;
    font-size: 13px;
    margin: 0 0 16px 0;
}
.tcs-lang-toggle > span { color: var(--tcs-text-muted); font-size: 12px; }
.tcs-lang-btn {
    padding: 2px 10px;
    border: none;
    background: transparent;
    color: var(--tcs-text-muted);
    cursor: pointer;
    border-radius: 12px;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.15s ease;
}
.tcs-lang-btn:hover { background: #e0f2fe; color: var(--tcs-primary-dark); }
.tcs-lang-btn.is-active { background: var(--tcs-primary); color: #fff; font-weight: 600; }

/* === WhatsApp Share === */
.tcs-wa-share-btn {
    background: #25d366 !important;
    color: #fff !important;
    border-color: #25d366 !important;
}
.tcs-wa-share-btn:hover { background: #1eb858 !important; }

/* === Pincode Checker === */
.tcs-pincode-checker {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
    border: 1px solid #bbf7d0;
    border-left: 4px solid #16a34a;
    border-radius: var(--tcs-radius);
    padding: 18px 22px;
    margin: 24px 0;
    flex-wrap: wrap;
}
.tcs-pincode-icon { font-size: 32px; flex-shrink: 0; }
.tcs-pincode-body { flex: 1 1 320px; }
.tcs-pincode-body h3 { margin: 0 0 4px 0; font-size: 16px; }
.tcs-pincode-body p { margin: 0 0 10px 0; font-size: 13px; color: var(--tcs-text-muted); }
.tcs-pincode-input-row { display: flex; gap: 8px; }
.tcs-pincode-input-row input {
    padding: 8px 12px;
    border: 1px solid var(--tcs-border);
    border-radius: var(--tcs-radius-sm);
    font-size: 15px;
    width: 120px;
    letter-spacing: 0.05em;
}
.tcs-pincode-result { margin-top: 10px; font-size: 13px; font-weight: 600; }

/* === Image Recognition Button === */
.tcs-image-recognition-btn { margin-top: 8px; }

/* === AI Chatbot Widget === */
.tcs-chatbot-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00a0e3 0%, #007bb0 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 0 4px 16px rgba(0, 160, 227, 0.4);
    z-index: 9998;
    transition: transform 0.2s ease;
}
.tcs-chatbot-fab:hover { transform: scale(1.1); }
.tcs-chatbot-widget {
    position: fixed;
    bottom: 92px;
    right: 24px;
    width: 360px;
    max-width: calc(100vw - 48px);
    background: var(--tcs-card);
    border-radius: var(--tcs-radius);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.2);
    z-index: 9999;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.tcs-chatbot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--tcs-primary);
    color: #fff;
}
.tcs-chatbot-title { font-weight: 700; font-size: 14px; }
.tcs-chatbot-close { background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; line-height: 1; }
.tcs-chatbot-body {
    padding: 16px;
    height: 320px;
    overflow-y: auto;
    background: #f8fafc;
}
.tcs-chatbot-msg { margin-bottom: 12px; max-width: 85%; }
.tcs-chatbot-ai {
    background: var(--tcs-card);
    border: 1px solid var(--tcs-border);
    border-radius: 12px 12px 12px 4px;
    padding: 10px 14px;
    font-size: 13px;
}
.tcs-chatbot-input {
    display: flex;
    border-top: 1px solid var(--tcs-border);
}
.tcs-chatbot-input input {
    flex: 1;
    border: none;
    padding: 12px 14px;
    font-size: 14px;
    font-family: inherit;
    background: var(--tcs-card);
}
.tcs-chatbot-input input:focus { outline: none; }
.tcs-chatbot-input button {
    background: var(--tcs-primary);
    color: #fff;
    border: none;
    padding: 0 18px;
    cursor: pointer;
    font-size: 18px;
}

/* === AI Thread Summary === */
.tcs-ai-summary {
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
    border: 1px solid #bae6fd;
    border-left: 4px solid #0ea5e9;
    border-radius: var(--tcs-radius);
    padding: 14px 18px;
    margin: 16px 0;
}
.tcs-ai-summary-header {
    font-size: 12px;
    font-weight: 700;
    color: #0369a1;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}
.tcs-ai-summary p { margin: 0; font-size: 13px; color: var(--tcs-text); }

/* === AI Accuracy Feedback === */
.tcs-ai-feedback {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 12px;
    color: var(--tcs-text-muted);
}
.tcs-ai-feedback-btn {
    background: transparent;
    border: 1px solid var(--tcs-border);
    border-radius: 4px;
    padding: 2px 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s ease;
}
.tcs-ai-feedback-btn:hover { background: #f1f5f9; }
.tcs-ai-feedback-btn.is-voted-up { background: #dcfce7; border-color: #16a34a; }
.tcs-ai-feedback-btn.is-voted-down { background: #fee2e2; border-color: #dc2626; }

/* === Related Content === */
.tcs-related-section {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--tcs-border);
}
.tcs-related-section h3 { font-size: 14px; margin: 0 0 8px 0; color: var(--tcs-text); }
.tcs-related-section ul { list-style: none; padding: 0; margin: 0; }
.tcs-related-section li { padding: 6px 0; font-size: 13px; }
.tcs-related-section a { color: var(--tcs-primary-dark); text-decoration: none; }
.tcs-related-section a:hover { text-decoration: underline; }

/* === FAQ Page === */
.tcs-faq-page { max-width: 800px; margin: 0 auto; padding: 24px; }
.tcs-faq-page h1 { font-size: 28px; margin-bottom: 8px; }
.tcs-faq-page > p { color: var(--tcs-text-muted); margin-bottom: 24px; }
.tcs-faq-item { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--tcs-border); }
.tcs-faq-item:last-child { border-bottom: none; }
.tcs-faq-item h2 { font-size: 18px; margin: 0 0 6px 0; }
.tcs-faq-item h2 a { color: var(--tcs-text); text-decoration: none; }
.tcs-faq-item h2 a:hover { color: var(--tcs-primary); }
.tcs-faq-item p { font-size: 14px; color: var(--tcs-text-muted); margin: 0; }

/* === Service History === */
.tcs-service-history { max-width: 600px; margin: 24px auto; }
.tcs-service-history form { display: flex; gap: 8px; margin-bottom: 16px; }
.tcs-service-history input { flex: 1; padding: 10px 14px; border: 1px solid var(--tcs-border); border-radius: var(--tcs-radius-sm); font-size: 14px; }
.tcs-sh-note { font-size: 13px; color: var(--tcs-text-muted); font-style: italic; }

/* ======================================================================
 * V1.2 — TCS Pune theme alignment + paid TCS AI
 * Keeps the forum visually consistent with the main site: inherited type,
 * clean white cards, TCS blue actions, compact technical labels and orange
 * conversion accents.
 * ====================================================================== */
.tcs-forum-wrap,
.tcs-ask-wrap,
.tcs-auth-wrap,
.tcs-checklist-wrap,
.tcs-ai-page {
    font-family: inherit;
    color: var(--tcs-text);
}

.tcs-forum-wrap a,
.tcs-ask-wrap a,
.tcs-auth-wrap a,
.tcs-checklist-wrap a,
.tcs-ai-page a {
    text-underline-offset: 2px;
}

.tcs-btn,
.tcs-ai-page button,
.tcs-chatbot-widget button {
    font-family: inherit;
}

.tcs-btn-primary {
    background: linear-gradient(135deg, var(--tcs-primary) 0%, var(--tcs-primary-dark) 100%);
    border-color: var(--tcs-primary-dark);
    box-shadow: 0 8px 18px rgba(0, 123, 176, .16);
}
.tcs-btn-primary:hover,
.tcs-btn-primary:focus-visible {
    filter: brightness(.96);
    transform: translateY(-1px);
}

.tcs-ai-page {
    max-width: 980px;
    margin: 0 auto;
    padding: clamp(16px, 3vw, 34px) 16px 44px;
}
.tcs-ai-page-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(26px, 5vw, 48px);
    border: 1px solid #dbe7ef;
    border-radius: 18px;
    background:
        radial-gradient(circle at 92% 6%, rgba(0,160,227,.13), transparent 30%),
        linear-gradient(135deg, #ffffff 0%, #f5fbfe 100%);
    box-shadow: 0 18px 46px rgba(15, 23, 42, .08);
}
.tcs-ai-page-hero::before {
    content: "TCS AI";
    position: absolute;
    right: -18px;
    bottom: -30px;
    font-size: clamp(62px, 11vw, 118px);
    font-weight: 900;
    letter-spacing: -.06em;
    color: rgba(0, 160, 227, .045);
    pointer-events: none;
}
.tcs-ai-kicker,
.tcs-ai-paywall-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: fit-content;
    padding: 6px 10px;
    border: 1px solid #bae6fd;
    border-radius: 999px;
    background: #f0f9ff;
    color: #0369a1;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.tcs-ai-page-hero h1,
.tcs-ai-page-hero h2 {
    margin: 14px 0 10px;
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.08;
    letter-spacing: -.03em;
    color: #0f172a;
}
.tcs-ai-page-hero > p {
    max-width: 720px;
    margin: 0;
    color: #475569;
    font-size: 16px;
    line-height: 1.7;
}

.tcs-ai-workbench,
.tcs-ai-paywall {
    position: relative;
    margin-top: 24px;
    padding: clamp(20px, 4vw, 30px);
    border: 1px solid var(--tcs-border);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(15, 23, 42, .07);
}
.tcs-ai-workbench > label {
    display: block;
    margin-bottom: 8px;
    font-weight: 800;
    color: #0f172a;
}
.tcs-ai-page-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: stretch;
}
.tcs-ai-page-input-row textarea {
    width: 100%;
    min-height: 116px;
    resize: vertical;
    padding: 14px 15px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: #fff;
    color: #0f172a;
    font: inherit;
    line-height: 1.55;
    box-sizing: border-box;
}
.tcs-ai-page-input-row textarea:focus {
    outline: 3px solid rgba(0, 160, 227, .14);
    border-color: var(--tcs-primary);
}
.tcs-ai-page-input-row .tcs-btn {
    min-width: 132px;
    align-self: stretch;
    justify-content: center;
}
.tcs-ai-page-status {
    min-height: 20px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--tcs-text-muted);
}
.tcs-ai-page-results {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}
.tcs-ai-disclaimer {
    margin: 18px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--tcs-border);
    color: #64748b;
    font-size: 12px;
    line-height: 1.55;
}

.tcs-ai-paywall {
    border-top: 4px solid var(--tcs-primary);
}
.tcs-ai-paywall-icon {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    margin: 14px 0 8px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--tcs-primary) 0%, var(--tcs-primary-dark) 100%);
    color: #fff;
    font-size: 24px;
    box-shadow: 0 9px 22px rgba(0, 123, 176, .2);
}
.tcs-ai-paywall h2,
.tcs-ai-paywall h3 {
    margin: 7px 0 7px;
    color: #0f172a;
    line-height: 1.2;
}
.tcs-ai-paywall p {
    margin: 0 0 14px;
    color: #64748b;
    line-height: 1.55;
}
.tcs-ai-benefits {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 16px 0 18px;
}
.tcs-ai-benefits > * {
    padding: 11px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
    color: #334155;
    font-size: 13px;
}
.tcs-ai-paywall-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.tcs-ai-price {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 12px;
    border-radius: 9px;
    background: #fff7ed;
    color: #9a3412;
    font-weight: 800;
}
.tcs-ai-locked-panel {
    display: block !important;
    margin: 16px 0;
    padding: 0 !important;
    background: transparent !important;
    border: 0 !important;
}
.tcs-ai-locked-panel .tcs-ai-paywall {
    margin-top: 0;
}
.tcs-ai-inline-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--tcs-primary-dark);
}
.tcs-ai-premium-chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 7px;
    margin-left: 5px;
    border: 1px solid rgba(255,255,255,.45);
    border-radius: 999px;
    background: rgba(255,255,255,.14);
    color: #fff;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .06em;
    vertical-align: middle;
}

/* Branded TCS AI suggestion cards. */
.tcs-ai-suggestions {
    margin-top: 14px;
    border-radius: 14px;
    overflow: hidden;
}
.tcs-ai-header {
    background: linear-gradient(135deg, var(--tcs-primary) 0%, var(--tcs-primary-dark) 100%);
}
.tcs-ai-result,
.tcs-ai-suggestion-card,
.tcs-ai-suggestion {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-left: 4px solid var(--tcs-primary);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(15,23,42,.04);
}

/* V1.2 floating assistant: use a TCS-style CTA pill instead of an unrelated orb. */
.tcs-chatbot-fab {
    width: auto;
    min-width: 116px;
    height: 46px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .01em;
    box-shadow: 0 8px 24px rgba(0, 123, 176, .28);
}
.tcs-chatbot-fab:hover { transform: translateY(-2px); }
.tcs-chatbot-header {
    justify-content: flex-start;
    gap: 8px;
    background: linear-gradient(135deg, var(--tcs-primary) 0%, var(--tcs-primary-dark) 100%);
}
.tcs-chatbot-close { margin-left: auto; }
.tcs-chatbot-body { background: #f5f8fb; }
.tcs-chatbot-user {
    margin-left: auto;
    padding: 10px 14px;
    border-radius: 12px 12px 4px 12px;
    background: var(--tcs-primary-dark);
    color: #fff;
    font-size: 13px;
}

@media (max-width: 680px) {
    .tcs-ai-page { padding-left: 10px; padding-right: 10px; }
    .tcs-ai-page-hero { padding: 24px 18px; border-radius: 14px; }
    .tcs-ai-page-input-row { grid-template-columns: 1fr; }
    .tcs-ai-page-input-row .tcs-btn { min-height: 44px; }
    .tcs-ai-benefits { grid-template-columns: 1fr; }
    .tcs-chatbot-fab { right: 14px; bottom: 16px; }
    .tcs-chatbot-widget { right: 12px; bottom: 74px; max-width: calc(100vw - 24px); }
}

/* -------------------------------------------------------------------------
 * V1.3 — TCS AI knowledge threads
 * ------------------------------------------------------------------------- */
.tcs-ai-thread-disclosure {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin: 0 0 18px;
    padding: 14px 16px;
    border: 1px solid rgba(0, 153, 204, .22);
    border-left: 4px solid var(--tcs-primary, #0099cc);
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(0,153,204,.06), rgba(255,255,255,.92));
    box-shadow: 0 6px 22px rgba(15, 23, 42, .05);
}
.tcs-ai-thread-disclosure strong {
    white-space: nowrap;
    color: var(--tcs-primary-dark, #007aa3);
}
.tcs-ai-thread-disclosure span {
    color: var(--tcs-text, #1f2a37);
    line-height: 1.55;
}
@media (max-width: 640px) {
    .tcs-ai-thread-disclosure { display: block; }
    .tcs-ai-thread-disclosure strong { display: block; margin-bottom: 6px; white-space: normal; }
}
.tcs-ai-thread-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 6px;
    padding: 3px 8px;
    border: 1px solid rgba(0,153,204,.28);
    border-radius: 999px;
    background: rgba(0,153,204,.08);
    color: var(--tcs-primary-dark, #007aa3);
    font-size: 11px;
    font-weight: 700;
    line-height: 1.3;
    vertical-align: middle;
}

/* -------------------------------------------------------------------------
 * V1.4 — TCS Repair Knowledge Engine
 * ------------------------------------------------------------------------- */
.tcs-knowledge-page,
.tcs-knowledge-graph,
.tcs-ai-grounded-answer {
    font-family: var(--tcs-font);
    color: var(--tcs-text);
}
.tcs-knowledge-page { max-width: 1180px; margin: 0 auto; padding: 14px 0 34px; }
.tcs-knowledge-hero {
    padding: 30px;
    border-radius: 18px;
    background: linear-gradient(135deg, #ffffff 0%, #eef9fe 100%);
    border: 1px solid rgba(0,160,227,.2);
    box-shadow: var(--tcs-shadow);
    margin-bottom: 18px;
}
.tcs-knowledge-hero h2 { margin: 7px 0 9px; font-size: clamp(26px, 4vw, 39px); line-height: 1.12; color: #0f172a; }
.tcs-knowledge-hero p { margin: 0; max-width: 850px; color: #475569; font-size: 16px; line-height: 1.7; }
.tcs-knowledge-search-form {
    background: #fff;
    border: 1px solid var(--tcs-border);
    border-radius: 14px;
    padding: 16px;
    box-shadow: var(--tcs-shadow);
}
.tcs-knowledge-main-search { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.tcs-knowledge-main-search input,
.tcs-knowledge-filters input,
.tcs-knowledge-filters select {
    width: 100%; min-height: 44px; border: 1px solid var(--tcs-border); border-radius: 8px;
    padding: 9px 12px; background: #fff; color: var(--tcs-text); font: inherit;
}
.tcs-knowledge-main-search input:focus,
.tcs-knowledge-filters input:focus,
.tcs-knowledge-filters select:focus { outline: 2px solid rgba(0,160,227,.25); border-color: var(--tcs-primary); }
.tcs-knowledge-filters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
.tcs-knowledge-results-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 20px 2px 10px; }
.tcs-knowledge-results-head a { color: var(--tcs-primary-dark); font-weight: 700; text-decoration: none; }
.tcs-knowledge-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tcs-knowledge-card { background: #fff; border: 1px solid var(--tcs-border); border-radius: 12px; padding: 17px; box-shadow: var(--tcs-shadow); transition: transform .18s ease, box-shadow .18s ease; }
.tcs-knowledge-card:hover { transform: translateY(-2px); box-shadow: var(--tcs-shadow-hover); }
.tcs-knowledge-card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.tcs-knowledge-type, .tcs-knowledge-quality { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 8px; font-size: 11px; font-weight: 800; }
.tcs-knowledge-type { background: #e8f7fd; color: var(--tcs-primary-dark); }
.tcs-knowledge-quality { background: #f1f5f9; color: #475569; }
.tcs-knowledge-quality.is-verified { background: #dcfce7; color: #166534; }
.tcs-knowledge-quality.is-reviewed { background: #eff6ff; color: #1d4ed8; }
.tcs-knowledge-quality.is-generated { background: #fff7ed; color: #9a3412; }
.tcs-knowledge-card h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.35; }
.tcs-knowledge-card h3 a { color: #0f172a; text-decoration: none; }
.tcs-knowledge-card h3 a:hover { color: var(--tcs-primary-dark); }
.tcs-knowledge-card p { margin: 0 0 12px; color: #64748b; line-height: 1.58; font-size: 14px; }
.tcs-knowledge-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tcs-knowledge-tags span,
.tcs-knowledge-tags a { display: inline-flex; padding: 4px 8px; border-radius: 999px; background: #f1f5f9; color: #334155; font-size: 11px; font-weight: 700; text-decoration: none; }
.tcs-knowledge-tags a:hover { background: #e0f2fe; color: var(--tcs-primary-dark); }

.tcs-knowledge-inline-list { display: grid; gap: 8px; }
.tcs-knowledge-inline-card { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; border: 1px solid var(--tcs-border); border-radius: 9px; background: #fff; color: inherit; text-decoration: none; }
.tcs-knowledge-inline-card:hover { border-color: rgba(0,160,227,.5); background: #f8fcfe; }
.tcs-knowledge-inline-card > div { min-width: 0; display: grid; gap: 2px; }
.tcs-knowledge-inline-card small { color: var(--tcs-primary-dark); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; font-size: 10px; }
.tcs-knowledge-inline-card strong { color: #0f172a; font-size: 13px; line-height: 1.35; }
.tcs-knowledge-inline-card span { color: #64748b; font-size: 11px; }
.tcs-knowledge-inline-card em { flex: 0 0 auto; color: #64748b; font-size: 11px; font-style: normal; font-weight: 700; }

.tcs-ai-grounded-answer { display: grid; gap: 13px; }
.tcs-ai-grounded-badge { justify-self: start; display: inline-flex; align-items: center; padding: 5px 10px; border-radius: 999px; background: #dcfce7; color: #166534; font-size: 11px; font-weight: 800; }
.tcs-ai-grounded-badge.is-ungrounded { background: #fff7ed; color: #9a3412; }
.tcs-ai-answer-text { padding: 15px; border-left: 4px solid var(--tcs-primary); border-radius: 8px; background: #f8fcfe; color: #1e293b; line-height: 1.7; }
.tcs-ai-grounded-answer h4 { margin: 3px 0 0; font-size: 14px; color: #0f172a; }
.tcs-ai-diagnostic-steps { margin: 0; padding-left: 22px; display: grid; gap: 8px; line-height: 1.55; }
.tcs-ai-cautions { padding: 12px 14px; border: 1px solid #fed7aa; border-radius: 9px; background: #fff7ed; color: #7c2d12; }
.tcs-ai-cautions ul { margin: 6px 0 0; padding-left: 20px; }
.tcs-ai-source-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.tcs-ai-source-grid a { display: grid; gap: 3px; padding: 10px 11px; border: 1px solid var(--tcs-border); border-radius: 8px; background: #fff; text-decoration: none; }
.tcs-ai-source-grid a:hover { border-color: var(--tcs-primary); }
.tcs-ai-source-grid small { color: var(--tcs-primary-dark); font-size: 10px; font-weight: 800; }
.tcs-ai-source-grid strong { color: #0f172a; font-size: 12px; line-height: 1.35; }
.tcs-ai-source-grid span { color: #64748b; font-size: 10px; text-transform: capitalize; }
.tcs-ai-cache-note { color: #94a3b8; font-size: 10px; }

.tcs-knowledge-graph { margin: 24px 0 0; padding: 17px; border: 1px solid rgba(0,160,227,.22); border-radius: 12px; background: linear-gradient(180deg, #fff, #f8fcfe); }
.tcs-knowledge-graph-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.tcs-knowledge-graph-head > span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: #e8f7fd; color: var(--tcs-primary-dark); font-weight: 900; }
.tcs-knowledge-graph-head div { display: grid; gap: 2px; }
.tcs-knowledge-graph-head strong { color: #0f172a; }
.tcs-knowledge-graph-head small { color: #64748b; }
.tcs-knowledge-related-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.tcs-knowledge-related { display: grid; gap: 3px; padding: 10px 11px; border: 1px solid var(--tcs-border); border-radius: 8px; background: #fff; text-decoration: none; }
.tcs-knowledge-related small { color: var(--tcs-primary-dark); font-weight: 700; }
.tcs-knowledge-related strong { color: #1e293b; font-size: 12px; line-height: 1.4; }
.tcs-knowledge-feedback { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--tcs-border); }
.tcs-knowledge-feedback > span { font-size: 12px; font-weight: 700; color: #475569; margin-right: 3px; }
.tcs-knowledge-feedback button { border: 1px solid var(--tcs-border); background: #fff; color: #334155; border-radius: 999px; padding: 6px 10px; cursor: pointer; font-size: 11px; }
.tcs-knowledge-feedback button:hover { border-color: var(--tcs-primary); }
.tcs-knowledge-feedback-status { color: #64748b; font-size: 11px; }

@media (max-width: 720px) {
    .tcs-knowledge-hero { padding: 22px 18px; }
    .tcs-knowledge-main-search, .tcs-knowledge-filters, .tcs-knowledge-results, .tcs-ai-source-grid, .tcs-knowledge-related-grid { grid-template-columns: 1fr; }
    .tcs-knowledge-results-head { align-items: flex-start; flex-direction: column; }
}

/* V1.5 — AI-to-forum publication + disclosure */
.tcs-ai-forum-published {
    display: grid;
    gap: 4px;
    padding: 13px 14px;
    border: 1px solid rgba(0,160,227,.28);
    border-radius: 10px;
    background: #f4fbfe;
}
.tcs-ai-forum-published strong { color: #0f172a; font-size: 13px; }
.tcs-ai-forum-published span { color: #64748b; font-size: 12px; line-height: 1.5; }
.tcs-ai-forum-published a { color: var(--tcs-primary-dark); font-weight: 800; text-decoration: none; }
.tcs-ai-forum-published a:hover { text-decoration: underline; }
.tcs-ai-publication-notice {
    margin: 10px 0 0;
    padding: 11px 13px;
    border-left: 4px solid var(--tcs-primary);
    border-radius: 7px;
    background: #eff9fd;
    color: #334155;
    font-size: 12px;
    line-height: 1.55;
}
.tcs-ai-forum-answer > p:first-child {
    display: inline-flex;
    margin: 0 0 10px;
    padding: 5px 9px;
    border-radius: 999px;
    background: #e8f7fd;
    color: var(--tcs-primary-dark);
    font-size: 11px;
    font-weight: 800;
}
.tcs-ai-forum-answer h3 { margin: 16px 0 7px; font-size: 16px; }
.tcs-ai-forum-answer ol, .tcs-ai-forum-answer ul { padding-left: 22px; }
.tcs-ai-answer-sources a { color: var(--tcs-primary-dark); font-weight: 700; }
.tcs-ai-answer-disclosure { margin-top: 16px; color: #64748b; }
.tcs-reply-meta .tcs-ai-thread-badge { margin-left: 7px; vertical-align: middle; }

/* ==================== V1.7 TCS AI Diagnostics ==================== */
.tcs-diag-page{font-family:var(--tcs-font);color:var(--tcs-text);max-width:1180px;margin:0 auto;padding:18px 0 40px}
.tcs-diag-hero{padding:28px;border:1px solid var(--tcs-border);border-radius:18px;background:linear-gradient(135deg,#f7fcff,#eef8ff);box-shadow:var(--tcs-shadow);margin-bottom:18px}
.tcs-diag-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.05;margin:8px 0 12px}.tcs-diag-hero p{max-width:850px;font-size:16px;line-height:1.7;color:var(--tcs-text-muted);margin:0}
.tcs-diag-form{background:var(--tcs-card);border:1px solid var(--tcs-border);border-radius:16px;padding:22px;box-shadow:var(--tcs-shadow)}
.tcs-diag-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.tcs-diag-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:14px}
.tcs-diag-form label span{display:block;font-weight:700;font-size:13px;margin:0 0 6px}.tcs-diag-form input[type="text"],.tcs-diag-form textarea{width:100%;border:1px solid var(--tcs-border);border-radius:9px;padding:11px 12px;font:inherit;background:#fff;color:var(--tcs-text)}
.tcs-diag-form input:focus,.tcs-diag-form textarea:focus{outline:2px solid rgba(0,160,227,.18);border-color:var(--tcs-primary)}.tcs-diag-full{display:block;margin-top:14px}.tcs-diag-upload{margin-top:16px;padding:16px;border:1px dashed #a8cde0;border-radius:12px;background:#f8fcff}.tcs-diag-upload input[type="file"]{display:block;margin:10px 0}.tcs-form-help{font-size:12px;color:var(--tcs-text-muted);margin:6px 0 0;line-height:1.55}
.tcs-diag-preview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}.tcs-diag-preview-card{border:1px solid var(--tcs-border);border-radius:10px;overflow:hidden;background:#fff}.tcs-diag-preview-card img{display:block;width:100%;height:150px;object-fit:cover}.tcs-diag-preview-card small{display:block;padding:7px 9px;color:var(--tcs-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tcs-diag-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}.tcs-diag-status{font-size:13px;font-weight:600}.tcs-diag-status.is-working{color:#7c5c00}.tcs-diag-status.is-success{color:var(--tcs-success)}.tcs-diag-status.is-error{color:var(--tcs-danger)}
.tcs-diag-result{margin-top:20px}.tcs-diag-report{background:#fff;border:1px solid var(--tcs-border);border-radius:16px;padding:22px;box-shadow:var(--tcs-shadow)}.tcs-diag-report-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;border-bottom:1px solid var(--tcs-border);padding-bottom:15px}.tcs-diag-report-head h2{margin:6px 0 0}.tcs-diag-report section{padding:15px 0;border-bottom:1px solid #edf2f7}.tcs-diag-report h3{margin:0 0 9px;font-size:17px}.tcs-diag-report p,.tcs-diag-report li{line-height:1.65}.tcs-diag-report ol,.tcs-diag-report ul{margin:8px 0 0;padding-left:22px}
.tcs-diag-causes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tcs-diag-cause{border:1px solid var(--tcs-border);border-radius:10px;padding:12px}.tcs-diag-cause strong{display:block;margin:7px 0 4px}.tcs-diag-cause p{margin:0;color:var(--tcs-text-muted);font-size:13px}.tcs-diag-confidence{display:inline-block;border-radius:999px;padding:3px 8px;font-size:10px;font-weight:800;letter-spacing:.04em;background:#f3f4f6}.tcs-diag-confidence.is-high{background:#fff7d6;color:#7a5600}.tcs-diag-confidence.is-medium{background:#eef7ff;color:#075985}.tcs-diag-confidence.is-low{background:#f3f4f6;color:#4b5563}
.tcs-diag-table-wrap{overflow-x:auto}.tcs-diag-table{width:100%;border-collapse:collapse;font-size:13px}.tcs-diag-table th,.tcs-diag-table td{border:1px solid var(--tcs-border);padding:9px;text-align:left;vertical-align:top}.tcs-diag-table th{background:#f8fafc}.tcs-diag-warning{background:#fffbeb;margin:0 -10px;padding:15px 10px!important;border-radius:8px}.tcs-diag-sources{display:grid;gap:8px}.tcs-diag-sources a{display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--tcs-border);border-radius:9px;padding:10px;background:#fbfdff}.tcs-diag-sources a:hover{border-color:var(--tcs-primary)}.tcs-diag-sources span{font-size:11px;color:var(--tcs-text-muted);text-transform:uppercase}.tcs-diag-source-note{background:#f8fafc;border-radius:8px;padding:12px!important}.tcs-diag-report-foot{display:flex;gap:12px;flex-wrap:wrap;padding-top:14px;font-size:12px;color:var(--tcs-text-muted)}.tcs-diag-report-foot a{margin-left:auto;font-weight:700;color:var(--tcs-primary-dark)}
.tcs-diag-history{margin-top:24px}.tcs-diag-history h2{font-size:22px}.tcs-diag-history-list{display:grid;gap:10px}.tcs-diag-history-card{background:#fff;border:1px solid var(--tcs-border);border-radius:11px;padding:13px}.tcs-diag-history-card small{display:block;color:var(--tcs-text-muted);margin-top:3px}.tcs-diag-history-card p{margin:8px 0;color:#475569}.tcs-diag-history-actions{display:flex;gap:12px;align-items:center}.tcs-diag-history-actions a,.tcs-diag-history-actions button{border:0;background:none;padding:0;color:var(--tcs-primary-dark);font:inherit;font-size:12px;font-weight:700;cursor:pointer}.tcs-diag-history-actions button{color:var(--tcs-danger)}
@media(max-width:760px){.tcs-diag-grid,.tcs-diag-grid-2,.tcs-diag-preview,.tcs-diag-causes{grid-template-columns:1fr}.tcs-diag-hero,.tcs-diag-form,.tcs-diag-report{padding:16px}.tcs-diag-report-head{display:block}.tcs-diag-report-head .tcs-btn{margin-top:10px}.tcs-diag-report-foot a{margin-left:0;width:100%}}
@media print{body *{visibility:hidden}.tcs-diag-report,.tcs-diag-report *{visibility:visible}.tcs-diag-report{position:absolute;left:0;top:0;width:100%;box-shadow:none;border:0}.tcs-diag-print{display:none!important}}

/* ==================== V1.8 TCS AI Technician Bench ==================== */
.tcs-bench-page{font-family:var(--tcs-font);color:var(--tcs-text);max-width:1220px;margin:0 auto;padding:18px 0 48px}
.tcs-bench-hero{padding:30px;border:1px solid var(--tcs-border);border-radius:18px;background:linear-gradient(135deg,#f7fcff,#eef8ff);box-shadow:var(--tcs-shadow);margin-bottom:18px}
.tcs-bench-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.08;margin:8px 0 12px}.tcs-bench-hero p{max-width:900px;margin:0;color:var(--tcs-text-muted);font-size:16px;line-height:1.7}
.tcs-bench-card{background:#fff;border:1px solid var(--tcs-border);border-radius:16px;padding:20px;box-shadow:var(--tcs-shadow)}.tcs-bench-card h2,.tcs-bench-card h3{margin-top:0}.tcs-bench-start{margin-bottom:18px}
.tcs-bench-grid{display:grid;gap:14px;margin-top:14px}.tcs-bench-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.tcs-bench-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.tcs-bench-full{display:block;margin-top:14px}
.tcs-bench-card label span{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.tcs-bench-card input[type="text"],.tcs-bench-card textarea,.tcs-bench-card select{width:100%;border:1px solid var(--tcs-border);border-radius:9px;padding:11px 12px;background:#fff;color:var(--tcs-text);font:inherit}.tcs-bench-card input:focus,.tcs-bench-card textarea:focus,.tcs-bench-card select:focus{outline:2px solid rgba(0,160,227,.16);border-color:var(--tcs-primary)}
.tcs-bench-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px}.tcs-bench-status{font-size:13px;font-weight:700}.tcs-bench-status.is-working{color:#7c5c00}.tcs-bench-status.is-success{color:var(--tcs-success)}.tcs-bench-status.is-error{color:var(--tcs-danger)}
.tcs-bench-gate{max-width:720px;margin:20px auto;padding:28px;border:1px solid var(--tcs-border);border-radius:16px;background:#fff;box-shadow:var(--tcs-shadow);text-align:center}
.tcs-bench-workspace{margin-top:20px}.tcs-bench-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr);gap:16px;margin-top:16px;align-items:start}.tcs-bench-layout main,.tcs-bench-layout aside{display:grid;gap:16px}
.tcs-bench-session-title{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.tcs-bench-session-title h2{margin:5px 0 6px}.tcs-bench-session-title p{margin:0;color:var(--tcs-text-muted)}.tcs-bench-session-meta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;font-size:12px;color:var(--tcs-text-muted)}
.tcs-bench-source-details{margin-top:14px;padding-top:12px;border-top:1px solid var(--tcs-border)}.tcs-bench-source-details summary{cursor:pointer;font-weight:800;color:var(--tcs-primary-dark)}.tcs-bench-sources{display:grid;gap:8px;margin-top:10px}.tcs-bench-sources a{display:grid;gap:2px;text-decoration:none;border:1px solid var(--tcs-border);border-radius:9px;padding:10px;background:#fbfdff}.tcs-bench-sources a:hover{border-color:var(--tcs-primary)}.tcs-bench-sources small{color:var(--tcs-primary-dark);font-size:10px;font-weight:800;text-transform:uppercase}.tcs-bench-sources strong{color:#0f172a;font-size:12px;line-height:1.35}
.tcs-bench-progress{display:flex;align-items:center;gap:12px;margin-bottom:16px}.tcs-bench-progress>span{white-space:nowrap;font-size:12px;font-weight:800;color:#475569}.tcs-bench-progress>div{height:7px;flex:1;border-radius:999px;background:#e8eef3;overflow:hidden}.tcs-bench-progress i{display:block;height:100%;background:var(--tcs-primary);border-radius:inherit}
.tcs-bench-phase{display:inline-flex;padding:4px 8px;border-radius:999px;background:#e8f7fd;color:var(--tcs-primary-dark);font-size:10px;font-weight:900;letter-spacing:.06em}.tcs-bench-step-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.tcs-bench-step-meta span{padding:10px 12px;border:1px solid var(--tcs-border);border-radius:10px;background:#f8fafc;font-size:13px}.tcs-bench-step-meta strong{display:block;color:#64748b;font-size:10px;text-transform:uppercase;margin-bottom:3px}
.tcs-bench-caution{display:grid;gap:4px;margin:14px 0;padding:12px 14px;border:1px solid #fed7aa;border-radius:10px;background:#fff7ed;color:#7c2d12}.tcs-bench-caution strong{font-size:12px}.tcs-bench-caution span{font-size:13px;line-height:1.55}.tcs-bench-measure-form{display:grid;gap:12px;margin-top:16px;padding-top:15px;border-top:1px solid var(--tcs-border)}
.tcs-bench-reading-state{display:inline-flex;margin:10px 0;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:900;text-transform:uppercase;background:#f3f4f6;color:#475569}.tcs-bench-reading-state.is-normal{background:#dcfce7;color:#166534}.tcs-bench-reading-state.is-abnormal{background:#fee2e2;color:#991b1b}.tcs-bench-reading-state.is-uncertain{background:#fef3c7;color:#92400e}.tcs-bench-ready{text-align:center;padding:20px}.tcs-bench-ready>span{display:grid;place-items:center;width:50px;height:50px;margin:0 auto 10px;border-radius:50%;background:#dcfce7;color:#166534;font-size:24px;font-weight:900}.tcs-bench-ready p{color:var(--tcs-text-muted)}
.tcs-bench-timeline{display:grid;gap:0}.tcs-bench-event{display:grid;grid-template-columns:18px 1fr;gap:9px;position:relative;padding:0 0 16px}.tcs-bench-event:before{content:"";position:absolute;left:6px;top:13px;bottom:-2px;width:2px;background:#e2e8f0}.tcs-bench-event:last-child:before{display:none}.tcs-bench-event-dot{width:14px;height:14px;border:3px solid #fff;border-radius:50%;background:#94a3b8;box-shadow:0 0 0 1px #cbd5e1;z-index:1;margin-top:2px}.tcs-bench-event.is-normal .tcs-bench-event-dot{background:#22c55e}.tcs-bench-event.is-abnormal .tcs-bench-event-dot{background:#ef4444}.tcs-bench-event.is-uncertain .tcs-bench-event-dot{background:#f59e0b}.tcs-bench-event strong{display:block;font-size:12px}.tcs-bench-event small,.tcs-bench-event time,.tcs-bench-event .tcs-bench-reading{display:block;color:#64748b;font-size:10px;margin-top:2px}.tcs-bench-event p{margin:5px 0 0;color:#475569;font-size:12px;line-height:1.45}.tcs-bench-reading{font-weight:800!important;color:#0f172a!important}
.tcs-bench-components summary{cursor:pointer}.tcs-bench-component-list{display:grid;gap:9px;margin-top:12px}.tcs-bench-component-list p{display:grid;gap:3px;margin:0;padding:9px 0;border-bottom:1px solid #edf2f7}.tcs-bench-component-list p:last-child{border-bottom:0}.tcs-bench-component-list strong{font-size:12px}.tcs-bench-component-list span{font-size:11px;line-height:1.5;color:#64748b}.tcs-bench-muted{color:#64748b;font-size:12px;line-height:1.55}
.tcs-bench-qc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:15px 0 0;padding:14px;border:1px solid var(--tcs-border);border-radius:11px}.tcs-bench-qc legend{font-weight:800;padding:0 6px}.tcs-bench-qc label{display:flex;align-items:center;gap:7px;font-size:12px}.tcs-bench-qc label input{margin:0}
.tcs-bench-report{margin-top:18px;background:#fff;border:1px solid var(--tcs-border);border-radius:16px;padding:22px;box-shadow:var(--tcs-shadow)}.tcs-bench-report header{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;border-bottom:1px solid var(--tcs-border);padding-bottom:15px}.tcs-bench-report header h2{margin:5px 0}.tcs-bench-report header p{margin:0;color:#64748b}.tcs-bench-report section{padding:15px 0;border-bottom:1px solid #edf2f7}.tcs-bench-report h3{margin:0 0 9px}.tcs-bench-report-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.tcs-bench-report-grid div{display:grid;gap:3px;padding:10px;border:1px solid var(--tcs-border);border-radius:9px}.tcs-bench-report-grid small{color:#64748b}.tcs-bench-qc-report{display:flex;flex-wrap:wrap;gap:7px}.tcs-bench-qc-report span{padding:6px 9px;border-radius:999px;background:#ecfdf5;color:#166534;font-size:11px;font-weight:800}.tcs-bench-report footer{display:flex;gap:12px;flex-wrap:wrap;padding-top:14px;color:#64748b;font-size:12px}.tcs-bench-report footer a{margin-left:auto;color:var(--tcs-primary-dark);font-weight:800;text-decoration:none}
.tcs-bench-history{margin-top:24px}.tcs-bench-history h2{font-size:22px}.tcs-bench-history-list{display:grid;gap:9px}.tcs-bench-history-card{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--tcs-border);border-radius:11px;background:#fff}.tcs-bench-history-card small{display:block;margin-top:3px;color:#64748b}.tcs-bench-history-actions{display:flex;gap:10px}.tcs-bench-history-actions a,.tcs-bench-history-actions button{border:0;background:none;color:var(--tcs-primary-dark);font:inherit;font-size:12px;font-weight:800;cursor:pointer;text-decoration:none}.tcs-bench-history-actions button{color:var(--tcs-danger)}
@media(max-width:860px){.tcs-bench-layout,.tcs-bench-grid-3,.tcs-bench-report-grid{grid-template-columns:1fr}.tcs-bench-grid-2,.tcs-bench-step-meta,.tcs-bench-qc{grid-template-columns:1fr}.tcs-bench-session-title,.tcs-bench-report header,.tcs-bench-history-card{display:block}.tcs-bench-session-meta{align-items:flex-start;margin-top:10px}.tcs-bench-history-actions{margin-top:8px}.tcs-bench-hero,.tcs-bench-card,.tcs-bench-report{padding:16px}}
@media print{body *{visibility:hidden}.tcs-bench-report,.tcs-bench-report *{visibility:visible}.tcs-bench-report{position:absolute;left:0;top:0;width:100%;box-shadow:none;border:0}.tcs-bench-print{display:none!important}}


/* V1.9 — learned duplicate consolidation notice */
.tcs-learning-duplicate-notice{margin:0 0 18px;padding:14px 16px;border:1px solid rgba(20,83,160,.22);border-left:4px solid var(--tcs-primary,#1453a0);border-radius:12px;background:rgba(20,83,160,.055);line-height:1.55}.tcs-learning-duplicate-notice strong{color:var(--tcs-primary,#1453a0)}.tcs-learning-duplicate-notice a{font-weight:700}.tcs-learning-duplicate-notice small{opacity:.72}

/* ========================================================================
 * V1.11 — Community & Expert Network
 * ===================================================================== */
.tcs-expert-directory{max-width:1180px;margin:0 auto;padding:10px 0 36px}
.tcs-expert-hero{padding:28px;border:1px solid #dce6f2;border-radius:18px;background:linear-gradient(135deg,#f8fbff,#eef6ff);margin-bottom:22px}
.tcs-expert-kicker{display:inline-block;font-weight:700;color:#0b63ce;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px}
.tcs-expert-hero h1{margin:0 0 8px;font-size:clamp(28px,4vw,42px);line-height:1.1}
.tcs-expert-hero p{margin:0;max-width:780px;color:#4c5968}
.tcs-expert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin:22px 0 28px}
.tcs-expert-card{border:1px solid #dfe6ee;border-radius:16px;background:#fff;padding:20px;box-shadow:0 7px 24px rgba(19,52,86,.06)}
.tcs-expert-card-head{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.tcs-expert-avatar{border-radius:50%;width:72px;height:72px}
.tcs-expert-card h2{font-size:20px;margin:0 0 5px}
.tcs-expert-verified,.tcs-expert-inline-badge{display:inline-flex;align-items:center;gap:4px;background:#eaf4ff;color:#0759b5;border:1px solid #b9d7fa;border-radius:999px;padding:3px 8px;font-size:12px;font-weight:700;vertical-align:middle}
.tcs-reputation-inline-badge{display:inline-flex;background:#f3f5f7;color:#4c5968;border-radius:999px;padding:3px 7px;font-size:11px;font-weight:700;vertical-align:middle}
.tcs-expert-bio{color:#465363;margin:8px 0 12px}
.tcs-expert-tags{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.tcs-expert-tags span{background:#f3f7fb;border:1px solid #dce6f1;border-radius:999px;padding:4px 8px;font-size:12px}
.tcs-expert-brands{font-size:13px;color:#5b6570}
.tcs-expert-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid #edf1f5;font-size:12px;color:#5a6570}
.tcs-expert-stats b{font-size:16px;color:#1f2933}
.tcs-expert-profile-editor{margin-top:28px;border:1px solid #dfe6ee;border-radius:16px;background:#fff;padding:22px}
.tcs-expert-request-form{display:inline-block;margin:6px 8px 6px 0}
.tcs-expert-requested-note{display:inline-block;margin:6px 8px 6px 0;padding:7px 10px;border-radius:8px;background:#edf8f0;color:#266b38;font-size:13px;font-weight:600}
@media(max-width:640px){.tcs-expert-hero{padding:20px}.tcs-expert-grid{grid-template-columns:1fr}.tcs-expert-card{padding:16px}}

/* -------------------------------------------------------------------------
 * V2.0 — TCS Operations Bridge
 * ------------------------------------------------------------------------- */
.tcs-v2-hub{max-width:1180px;margin:0 auto;padding:24px 16px}.tcs-v2-hero{padding:26px;border:1px solid #dbe7f2;border-radius:18px;background:linear-gradient(135deg,#f8fcff,#eef8ff);box-shadow:0 12px 34px rgba(15,45,70,.07);margin-bottom:18px}.tcs-v2-hero>span,.tcs-v2-thread-private>span,.tcs-v2-card-head span{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#0078b8}.tcs-v2-hero h1,.tcs-v2-hero h2{margin:6px 0 8px}.tcs-v2-card{background:#fff;border:1px solid #dbe4ec;border-radius:16px;padding:20px;margin:16px 0;box-shadow:0 7px 24px rgba(18,49,72,.05)}.tcs-v2-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid #edf2f6;padding-bottom:12px;margin-bottom:14px}.tcs-v2-card-head h2{margin:3px 0 0}.tcs-v2-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}.tcs-v2-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:12px 0}.tcs-v2-summary>div,.tcs-v2-list>div{border:1px solid #e3ebf1;border-radius:11px;padding:12px;background:#fbfdff}.tcs-v2-summary small{display:block;color:#687684;margin-bottom:4px}.tcs-v2-summary strong{display:block}.tcs-v2-status{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;background:#eaf7ff;color:#006ea8}.tcs-v2-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.tcs-v2-form label{display:block;font-weight:700;margin:9px 0 5px}.tcs-v2-form input,.tcs-v2-form select,.tcs-v2-form textarea{width:100%;max-width:100%;box-sizing:border-box}.tcs-v2-consent{display:grid;gap:8px;margin:14px 0}.tcs-v2-consent label{font-weight:500;display:flex;gap:8px;align-items:flex-start}.tcs-v2-consent input{width:auto;margin-top:4px}.tcs-v2-link-existing,.tcs-v2-staff{margin-top:16px;padding-top:16px;border-top:1px dashed #ccd9e3}.tcs-v2-thread-private{margin:22px 0 0;padding:16px;border:1px solid #b9dbef;border-left:5px solid #008fd3;border-radius:12px;background:#f6fbfe}.tcs-v2-thread-private strong{display:block;margin:5px 0}.tcs-v2-bench-core{margin:14px 0;padding:16px;border:1px solid #b9dbef;border-radius:13px;background:#f7fcff}.tcs-v2-bench-core-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.tcs-v2-bench-core-head h3{margin:3px 0 0}.tcs-v2-status-pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:#e7f6ff;color:#006ca5;font-size:12px;font-weight:800}.tcs-v2-bench-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:9px;margin:12px 0}.tcs-v2-bench-stats>div{background:#fff;border:1px solid #dfebf2;border-radius:10px;padding:10px}.tcs-v2-bench-stats small,.tcs-v2-bench-stats strong{display:block}.tcs-v2-bench-actions{display:flex;flex-wrap:wrap;gap:8px}.tcs-v2-inventory-panel{margin-top:12px;background:#fff;border:1px solid #dfe9ef;border-radius:10px;padding:10px}.tcs-v2-inventory-panel>summary{cursor:pointer;font-weight:800}.tcs-v2-core-embed{margin-top:10px;overflow:auto}.tcs-v2-core-embed table{max-width:100%}
@media(max-width:650px){.tcs-v2-card-head,.tcs-v2-bench-core-head{display:block}.tcs-v2-card-head>a,.tcs-v2-status-pill{margin-top:8px}.tcs-v2-actions .tcs-btn,.tcs-v2-bench-actions .tcs-btn{width:100%;text-align:center}}


/* V2.1 — evidence confidence / source intelligence */
.tcs-ai-evidence-confidence{margin:10px 0 14px;padding:10px 12px;border:1px solid var(--tcs-border,#dbe4ee);border-radius:10px;background:#f8fafc;display:flex;gap:8px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}.tcs-ai-evidence-confidence strong{font-size:13px}.tcs-ai-evidence-confidence span,.tcs-ai-evidence-confidence small{font-size:12px;color:var(--tcs-text-muted,#64748b)}.tcs-ai-evidence-confidence.is-very-high,.tcs-ai-evidence-confidence.is-high{background:#f0fdf4;border-color:#bbf7d0}.tcs-ai-evidence-confidence.is-medium{background:#fffbeb;border-color:#fde68a}.tcs-ai-evidence-confidence.is-low{background:#fff7ed;border-color:#fed7aa}