/* ==========================================
   EMERGENCY AUDIT - App Theme
   Matches the forensic landing page design
   ========================================== */

:root {
    --bg-deep: #0a0604;
    --bg-dark: #140d08;
    --bg-card: #1c1209;
    --bg-card-hover: #241810;
    --gold: #c9a44a;
    --gold-light: #e4c96a;
    --gold-dim: #8b6914;
    --cream: #f0e6d3;
    --cream-soft: #d4c4a8;
    --mahogany: #3d2210;
    --mahogany-light: #5a3518;
    --leather: #2a1a0e;
    --red-accent: #8b2500;
    --green-accent: #2d6b3f;
    --green-light: #4a9e68;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-deep);
    color: var(--cream);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

/* === NAV === */
.app-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: rgba(10,6,4,0.95);
    border-bottom: 1px solid var(--mahogany);
    backdrop-filter: blur(10px);
}

.app-nav .nav-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
}

.app-nav .nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.app-nav .nav-links a {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cream-soft);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    transition: all 0.3s;
}

.app-nav .nav-links a:hover,
.app-nav .nav-links a.active {
    color: var(--gold);
    border-color: var(--gold-dim);
}

/* === MAIN CONTENT === */
.app-content {
    position: relative;
    z-index: 2;
    padding: 6rem 2rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* === PAGE HEADER === */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header .badge {
    display: inline-block;
    font-size: 0.65rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid var(--gold-dim);
    padding: 0.4rem 1.2rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--cream);
    margin-bottom: 0.75rem;
}

.page-header h1 em { font-style: italic; color: var(--gold); }

.page-header .subtitle {
    font-size: 0.95rem;
    color: var(--cream-soft);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

/* === CARDS === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--mahogany);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s, background 0.3s;
}

.card:hover {
    border-color: var(--gold-dim);
    background: var(--bg-card-hover);
}

.card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 0.75rem;
}

.card p {
    font-size: 0.9rem;
    color: var(--cream-soft);
    line-height: 1.7;
}

/* === STAT CARDS === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--mahogany);
    padding: 1.5rem;
    text-align: center;
}

.stat-card .stat-value {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--gold);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.72rem;
    color: var(--cream-soft);
    margin-top: 0.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    font-family: 'Playfair Display', serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.8rem 2rem;
    border: 1px solid var(--gold-dim);
    background: transparent;
    color: var(--gold);
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn:hover {
    background: var(--gold);
    color: var(--bg-deep);
    border-color: var(--gold);
}

.btn-primary {
    background: var(--gold);
    color: var(--bg-deep);
    border-color: var(--gold);
}

.btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.65rem;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* === FORMS === */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-dim);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--mahogany);
    color: var(--cream);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-dim);
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
    font-family: 'DM Mono', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
}

/* === FILE UPLOAD === */
.upload-zone {
    border: 2px dashed var(--mahogany);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 1.5rem;
    position: relative;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--gold-dim);
    background: rgba(201,164,74,0.03);
}

.upload-zone .upload-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.upload-zone .upload-text {
    font-size: 0.9rem;
    color: var(--cream-soft);
}

.upload-zone .upload-text strong {
    color: var(--gold);
}

.upload-zone .upload-hint {
    font-size: 0.72rem;
    color: var(--cream-soft);
    opacity: 0.6;
    margin-top: 0.5rem;
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* === TABS === */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--mahogany);
}

.tab {
    padding: 0.75rem 1.5rem;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cream-soft);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: 'DM Sans', sans-serif;
}

.tab:hover { color: var(--gold); }
.tab.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
}

/* === TABLE === */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-dim);
    border-bottom: 1px solid var(--mahogany);
    font-weight: 600;
    white-space: nowrap;
}

.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(61,34,16,0.3);
    color: var(--cream-soft);
}

.data-table tr:hover td {
    background: rgba(201,164,74,0.03);
}

/* === GRADE BADGES === */
.grade {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    font-family: 'Playfair Display', serif;
    font-weight: 800;
    font-size: 0.85rem;
    border: 1px solid;
}

.grade-A { color: var(--gold); border-color: var(--gold); background: rgba(201,164,74,0.15); }
.grade-B { color: var(--green-light); border-color: var(--green-accent); background: rgba(74,158,104,0.1); }
.grade-C { color: var(--cream-soft); border-color: var(--cream-soft); background: rgba(212,196,168,0.05); }
.grade-D { color: #b87333; border-color: #7a4e25; background: rgba(184,115,51,0.08); }
.grade-F { color: var(--red-accent); border-color: var(--red-accent); background: rgba(139,37,0,0.1); }

/* === SCORE BAR === */
.score-bar {
    width: 80px;
    height: 6px;
    background: var(--mahogany);
    overflow: hidden;
    position: relative;
}

.score-bar-fill {
    height: 100%;
    transition: width 0.5s;
}

.score-bar-fill.high { background: var(--gold); }
.score-bar-fill.medium { background: var(--green-light); }
.score-bar-fill.low { background: var(--red-accent); }

/* === SIGNAL PILLS === */
.signal-pills {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.signal-pill {
    font-size: 0.6rem;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--mahogany);
    color: var(--cream-soft);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}

.signal-pill.active {
    border-color: var(--gold-dim);
    color: var(--gold);
    background: rgba(201,164,74,0.08);
}

/* === LOADING === */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--cream-soft);
    font-size: 0.9rem;
}

.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--mahogany);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

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

/* === ALERTS === */
.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid;
    font-size: 0.85rem;
}

.alert-success {
    border-color: var(--green-accent);
    background: rgba(45,107,63,0.1);
    color: var(--green-light);
}

.alert-error {
    border-color: var(--red-accent);
    background: rgba(139,37,0,0.1);
    color: #e85d3a;
}

.alert-info {
    border-color: var(--gold-dim);
    background: rgba(201,164,74,0.05);
    color: var(--gold);
}

/* === TWO COLUMN LAYOUT === */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* === FILTER BAR === */
.filter-bar {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-bar .filter-btn {
    padding: 0.45rem 1rem;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cream-soft);
    cursor: pointer;
    border: 1px solid var(--mahogany);
    background: transparent;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.3s;
}

.filter-bar .filter-btn:hover,
.filter-bar .filter-btn.active {
    color: var(--gold);
    border-color: var(--gold-dim);
    background: rgba(201,164,74,0.05);
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--cream-soft);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    opacity: 0.3;
}

.empty-state h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    color: var(--cream);
    margin-bottom: 0.75rem;
}

.empty-state p {
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

/* === AUDIT REPORT === */
.audit-card {
    background: var(--bg-card);
    border: 1px solid var(--mahogany);
    padding: 2rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.audit-card:hover {
    border-color: var(--gold-dim);
    background: var(--bg-card-hover);
}

.audit-card .audit-week {
    font-family: 'Playfair Display', serif;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold-dim);
    margin-bottom: 0.5rem;
}

.audit-card .audit-value {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--gold);
}

.audit-card .audit-meta {
    display: flex;
    gap: 2rem;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--cream-soft);
}

/* === GRADE DISTRIBUTION BAR === */
.grade-dist {
    display: flex;
    height: 8px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.grade-dist > div { height: 100%; transition: width 0.5s; }
.grade-dist .dist-a { background: var(--gold); }
.grade-dist .dist-b { background: var(--green-light); }
.grade-dist .dist-c { background: var(--cream-soft); }
.grade-dist .dist-d { background: #b87333; }
.grade-dist .dist-f { background: var(--red-accent); }

/* === PROGRESS BAR === */
.progress-wrap { margin: 1rem 0; }

.progress-bar {
    height: 4px;
    background: var(--mahogany);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gold);
    transition: width 1s ease;
    width: 0%;
}

.progress-label {
    font-size: 0.7rem;
    color: var(--cream-soft);
    margin-top: 0.3rem;
    display: flex;
    justify-content: space-between;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .app-nav { padding: 0.75rem 1rem; flex-wrap: wrap; gap: 0.5rem; }
    .app-nav .nav-links { gap: 0.2rem; }
    .app-nav .nav-links a { padding: 0.4rem 0.6rem; font-size: 0.65rem; }
    .app-content { padding: 5.5rem 1rem 2rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col { grid-template-columns: 1fr; }
    .data-table { font-size: 0.75rem; }
    .data-table th, .data-table td { padding: 0.5rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
}

/* === FOOTER === */
.app-footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(61,34,16,0.5);
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.app-footer .footer-name {
    font-family: 'Playfair Display', serif;
    font-size: 0.75rem;
    color: var(--gold-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}