/* ATR Platform — Design System */
:root {
    --atr-primary: #C41E3A;
    --atr-primary-light: rgba(196, 30, 58, 0.12);
    --atr-primary-hover: #A3172F;
    --atr-text: #F5F7FB;
    --atr-text-muted: #A1A1B0;
    --atr-bg: #0f0f13;
    --atr-surface: #13131A;
    --atr-surface-alt: #1A1A24;
    --atr-surface-elevated: #1E1E28;
    --atr-surface-hover: #232330;
    --atr-card-border: #2A2A38;
    --atr-sidebar-width: 250px;
    --atr-sidebar-bg: #13131A;
    --atr-sidebar-border: #2A2A38;
    --atr-nav-hover: #1A1A24;
    --atr-nav-active-bg: rgba(196, 30, 58, 0.12);
    --atr-nav-active-color: #FF8A9A;
    --atr-status-bg: rgba(196, 30, 58, 0.12);
    --atr-input-bg: #1E1E28;
    --atr-input-border: #2A2A38;
    --atr-overlay: rgba(0, 0, 0, 0.55);
}

html[data-theme="light"] {
    --atr-primary-light: #FDE8EC;
    --atr-text: #333333;
    --atr-text-muted: #777777;
    --atr-bg: #F5F5F5;
    --atr-surface: #FFFFFF;
    --atr-surface-alt: #F8F8FB;
    --atr-surface-elevated: #F0F0F5;
    --atr-surface-hover: #ECECF2;
    --atr-card-border: #E5E5E5;
    --atr-sidebar-bg: #FFFFFF;
    --atr-sidebar-border: #E5E5E5;
    --atr-nav-hover: #F5F5F5;
    --atr-nav-active-bg: #FDE8EC;
    --atr-nav-active-color: #C41E3A;
    --atr-status-bg: #FDE8EC;
    --atr-input-bg: #FFFFFF;
    --atr-input-border: #D6D6E0;
    --atr-overlay: rgba(0, 0, 0, 0.4);
}

html, body {
    font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--atr-bg);
    color: var(--atr-text);
    margin: 0;
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
}

body {
    position: fixed;
    width: 100%;
    transition: background-color 0.2s ease, color 0.2s ease;
}

* {
    scrollbar-color: var(--atr-card-border) transparent;
}

::selection {
    background: color-mix(in srgb, var(--atr-primary) 28%, transparent);
}

.form-control,
.form-select,
.form-control:disabled,
.form-select:disabled,
.form-floating > .form-control,
.form-floating > .form-control-plaintext {
    background-color: var(--atr-input-bg);
    border-color: var(--atr-input-border);
    color: var(--atr-text);
}

.form-control::placeholder,
.form-floating > .form-control::placeholder,
.form-floating > .form-control-plaintext::placeholder {
    color: var(--atr-text-muted);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    background-color: var(--atr-input-bg);
    border-color: var(--atr-primary);
    color: var(--atr-text);
}

.form-check-input {
    background-color: var(--atr-input-bg);
    border-color: var(--atr-input-border);
}

.form-check-input:checked {
    background-color: var(--atr-primary);
    border-color: var(--atr-primary);
}

.btn-outline-secondary {
    color: var(--atr-text-muted);
    border-color: var(--atr-input-border);
    background-color: transparent;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    color: var(--atr-text);
    border-color: var(--atr-card-border);
    background-color: var(--atr-surface-elevated);
}

.text-muted {
    color: var(--atr-text-muted) !important;
}

.pagination .page-link {
    background-color: var(--atr-surface);
    border-color: var(--atr-card-border);
    color: var(--atr-text);
}

.pagination .page-link:hover,
.pagination .page-link:focus {
    background-color: var(--atr-surface-hover);
    border-color: var(--atr-primary);
    color: var(--atr-primary);
}

.pagination .page-item.active .page-link {
    background-color: var(--atr-primary);
    border-color: var(--atr-primary);
    color: #fff;
}

.pagination .page-item.disabled .page-link {
    background-color: var(--atr-surface-alt);
    border-color: var(--atr-card-border);
    color: var(--atr-text-muted);
}

.btn-close {
    filter: none;
}

html[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(1) brightness(200%);
}

.table {
    --bs-table-bg: var(--atr-surface);
    --bs-table-color: var(--atr-text);
    --bs-table-border-color: var(--atr-card-border);
    --bs-table-striped-bg: var(--atr-surface-alt);
    --bs-table-striped-color: var(--atr-text);
    --bs-table-hover-bg: var(--atr-surface-hover);
    --bs-table-hover-color: var(--atr-text);
}

/* ATR Brand Buttons */
.btn-atr {
    color: #fff;
    background-color: var(--atr-primary);
    border-color: var(--atr-primary);
    border-radius: 6px;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
}

.btn-atr:hover, .btn-atr:focus {
    background-color: var(--atr-primary-hover);
    border-color: var(--atr-primary-hover);
    color: #fff;
}

.btn-atr-outline {
    color: var(--atr-primary);
    background-color: transparent;
    border: 1.5px solid var(--atr-primary);
    border-radius: 6px;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
}

.btn-atr-outline:hover, .btn-atr-outline:focus {
    background-color: var(--atr-primary-light);
    color: var(--atr-primary);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem rgba(196, 30, 58, 0.35);
}

/* ATR Status Banner */
.atr-status-banner {
    background-color: var(--atr-status-bg);
    border: 1px solid var(--atr-card-border);
    border-radius: 10px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.atr-status-banner .status-dot {
    width: 10px;
    height: 10px;
    background-color: #28a745;
    border-radius: 50%;
    flex-shrink: 0;
}

.atr-status-banner .status-title {
    font-weight: 700;
    color: var(--atr-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.atr-status-banner .status-text {
    color: var(--atr-text);
    font-size: 0.85rem;
}

/* ATR Stat Cards */
.atr-stat-card {
    background: var(--atr-surface);
    border: 1px solid var(--atr-card-border);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    min-height: 100px;
}

.atr-stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--atr-text);
}

.atr-stat-card .stat-value.text-danger {
    color: var(--atr-primary) !important;
}

.atr-stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--atr-text-muted);
    margin-top: 0.25rem;
}

.atr-stat-card .stat-icon {
    font-size: 1.5rem;
    color: var(--atr-primary);
    opacity: 0.6;
}

/* ATR Quick Search */
.atr-quick-search {
    background: var(--atr-surface-elevated);
    border: 1px solid var(--atr-card-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    gap: 0.75rem;
    color: var(--atr-text-muted);
}

.atr-quick-search input {
    background: transparent;
    border: none;
    outline: none;
    flex: 1;
    font-size: 0.95rem;
    color: var(--atr-text);
}

.atr-quick-search input::placeholder {
    color: var(--atr-text-muted);
}

.atr-quick-search .search-btn {
    color: var(--atr-primary);
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
}

/* ATR Section Header */
.atr-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.atr-section-header h2 {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    margin: 0;
}

.atr-section-header a {
    color: var(--atr-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}

.atr-section-header a:hover {
    text-decoration: underline;
}

/* ATR Recording Card */
.atr-recording-card {
    background: var(--atr-surface);
    border: 1px solid var(--atr-card-border);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.atr-recording-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    border-color: color-mix(in srgb, var(--atr-primary) 30%, var(--atr-card-border));
}

.atr-recording-card .recording-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--atr-text-muted);
}

.atr-recording-card .recording-title {
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--atr-text);
}

.atr-recording-card .recording-duration {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    font-size: 1rem;
}

.atr-recording-card .recording-participants {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
}

.atr-recording-card .participant-badge {
    background-color: var(--atr-surface-elevated);
    border: 1px solid var(--atr-card-border);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--atr-text);
}

.atr-recording-card .recording-preview {
    color: var(--atr-text-muted);
    font-size: 0.88rem;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.atr-recording-card .recording-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.atr-tag {
    color: var(--atr-primary);
    border: 1.5px solid var(--atr-primary);
    border-radius: 20px;
    padding: 0.2rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    background: transparent;
    text-decoration: none;
}

.atr-tag:hover {
    background-color: var(--atr-primary-light);
    color: var(--atr-primary);
    text-decoration: none;
}

.atr-recording-card .recording-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--atr-card-border);
}

/* Dashboard page header */
.atr-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.atr-page-header h1 {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 1.5rem;
    letter-spacing: 1px;
    margin: 0;
}

.atr-page-header .page-date {
    color: var(--atr-text-muted);
    font-size: 0.9rem;
}

@media (min-width: 1025px) {
    .atr-page-header {
        margin-top: -3.5rem;
        min-height: 3.5rem;
        padding-right: 14rem;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .atr-page-header {
        margin-top: -3rem;
        min-height: 3rem;
        padding-right: 4rem;
    }
}

@media (max-width: 640px) {
    .atr-page-header {
        margin-top: -3.5rem;
        min-height: 3rem;
        padding-right: 7.5rem;
    }
}

/* ATR Detail Page */
.atr-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    color: var(--atr-text-muted);
}

.atr-breadcrumb a {
    color: var(--atr-primary);
    text-decoration: none;
    font-weight: 600;
}

.atr-breadcrumb a:hover {
    text-decoration: underline;
}

.atr-detail-card {
    background: var(--atr-surface);
    border: 1px solid var(--atr-card-border);
    border-radius: 10px;
    padding: 2rem;
}

.atr-detail-card .detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--atr-card-border);
}

.atr-detail-card .detail-title {
    font-weight: 700;
    font-size: 1.4rem;
    margin: 0 0 0.35rem;
    color: var(--atr-text);
}

.atr-detail-card .detail-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--atr-text-muted);
}

.atr-detail-card .detail-duration {
    font-family: 'Courier New', monospace;
    font-weight: 600;
}

.atr-detail-card .detail-section {
    margin-bottom: 1.5rem;
}

.atr-detail-card .detail-section-title {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--atr-text-muted);
    margin-bottom: 0.75rem;
}

.atr-detail-card .detail-participants {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.atr-detail-card .detail-audio-player {
    background: var(--atr-surface-alt);
    border-radius: 8px;
    padding: 1rem;
}

.atr-detail-card .detail-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.atr-detail-card .detail-tag-editor {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    max-width: 350px;
}

.atr-detail-card .detail-transcript {
    background: var(--atr-surface-alt);
    border-radius: 8px;
    padding: 1.25rem;
    font-size: 0.92rem;
    line-height: 1.7;
    white-space: pre-wrap;
    color: var(--atr-text);
    max-height: 400px;
    overflow-y: auto;
}

.atr-detail-card .detail-transcript-empty {
    background: var(--atr-surface-alt);
    border-radius: 8px;
    padding: 1.25rem;
    color: var(--atr-text-muted);
    font-size: 0.9rem;
}

/* Flagged badge counter for nav */
.atr-badge-count {
    background-color: var(--atr-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}

/* Utility classes */
.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI26My43MTQgNTJDMjQuMzY3IDU0LjcwNTMgMjYuNTM5IDUyLjY2MyAyNy40ODMgNTMuNjI5NSAyNy42NjMxIDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDg2IDY2LjM4MTMgMjYzLjU3NiA2Ni42MTgzIDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ── Mobile responsive ── */
@media (max-width: 640px) {
    /* Page header: keep title aligned with compact top actions */
    .atr-page-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
        margin-bottom: 1rem;
    }

    .atr-page-header h1 {
        font-size: 1.2rem;
    }

    /* Status banner */
    .atr-status-banner {
        padding: 0.75rem 1rem;
        border-radius: 8px;
    }

    /* Stat cards */
    .atr-stat-card {
        padding: 0.85rem 1rem;
        min-height: auto;
        border-radius: 8px;
    }

    .atr-stat-card .stat-value {
        font-size: 1.5rem;
    }

    .atr-stat-card .stat-label {
        font-size: 0.78rem;
    }

    .atr-stat-card .stat-icon {
        font-size: 1.2rem;
    }

    .atr-stat-card .stat-icon svg {
        width: 20px;
        height: 20px;
    }

    /* Quick search */
    .atr-quick-search {
        padding: 0.4rem 0.75rem;
        border-radius: 8px;
    }

    .atr-quick-search input {
        font-size: 0.88rem;
    }

    /* Section header */
    .atr-section-header {
        flex-wrap: wrap;
        gap: 0.25rem;
        margin-bottom: 0.75rem;
    }

    .atr-section-header h2 {
        font-size: 0.95rem;
    }

    /* Recording cards */
    .atr-recording-card {
        padding: 1rem;
        border-radius: 8px;
        margin-bottom: 0.75rem;
    }

    .atr-recording-card .recording-title {
        font-size: 0.95rem;
        word-break: break-word;
    }

    .atr-recording-card .recording-meta {
        font-size: 0.8rem;
    }

    .atr-recording-card .recording-preview {
        font-size: 0.82rem;
    }

    .atr-recording-card .recording-actions {
        flex-wrap: wrap;
    }

    .atr-recording-card .recording-participants {
        flex-wrap: wrap;
    }

    /* Detail card */
    .atr-detail-card {
        padding: 1.25rem 1rem;
        border-radius: 8px;
    }

    .atr-detail-card .detail-header {
        flex-direction: column;
        gap: 0.75rem;
        margin-bottom: 1rem;
        padding-bottom: 1rem;
    }

    .atr-detail-card .detail-title {
        font-size: 1.15rem;
        word-break: break-word;
    }

    .atr-detail-card .detail-meta {
        flex-wrap: wrap;
        gap: 0.5rem;
        font-size: 0.82rem;
    }

    .atr-detail-card .detail-section {
        margin-bottom: 1.25rem;
    }

    .atr-detail-card .detail-tag-editor {
        max-width: 100%;
    }

    .atr-detail-card .detail-transcript {
        font-size: 0.85rem;
        max-height: 300px;
        padding: 1rem;
    }

    .atr-detail-card .detail-audio-player {
        padding: 0.75rem;
    }

    /* Breadcrumb */
    .atr-breadcrumb {
        font-size: 0.82rem;
        flex-wrap: wrap;
    }

    /* Tags */
    .atr-tag {
        font-size: 0.72rem;
        padding: 0.15rem 0.6rem;
    }

    /* Global text overflow protection */
    .content {
        overflow-wrap: break-word;
        word-break: break-word;
    }

    /* Pagination: horizontal scroll when many pages */
    .pagination {
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .pagination .page-link {
        padding: 0.3rem 0.6rem;
        font-size: 0.82rem;
    }

    /* Filter selects: full width on small screens */
    .form-select {
        min-width: 0 !important;
        flex: 1 1 auto;
    }

    /* Buttons inside page headers */
    .atr-page-header .btn,
    .atr-page-header .btn-atr {
        font-size: 0.82rem;
        padding: 0.4rem 0.9rem;
        white-space: nowrap;
    }

    /* Status banner close button alignment */
    .atr-status-banner .btn-close {
        flex-shrink: 0;
    }
}