/* ARIF Results Viewer — Core Styles */
:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a2332;
    --bg-card: #1e2a3a;
    --bg-card-hover: #243447;
    --border: #2d3f52;
    --text-primary: #e4e8ec;
    --text-secondary: #8899aa;
    --text-muted: #5a6e80;
    --accent-blue: #3b82f6;
    --accent-green: #22c55e;
    --accent-yellow: #eab308;
    --accent-red: #ef4444;
    --accent-orange: #f97316;
    --accent-purple: #a855f7;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* === LAYOUT === */
.app-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-logo h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-blue);
}

.app-logo .version {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 2px 8px;
    border-radius: 4px;
}

.header-meta {
    display: flex;
    gap: 24px;
    font-size: 12px;
    color: var(--text-secondary);
}

.header-meta span { display: flex; align-items: center; gap: 4px; }

/* Navigation tabs */
.nav-tabs {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    padding: 0 24px;
    gap: 0;
    overflow-x: auto;
}

.nav-tab {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--font-sans);
}

.nav-tab:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* Main content */
.main-content {
    padding: 24px;
    max-width: 1600px;
    margin: 0 auto;
}

.page { display: none; }
.page.active { display: block; }

/* === CARDS === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* === METRICS GRID === */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    transition: border-color 0.2s;
}

.metric-card:hover {
    border-color: var(--accent-blue);
}

.metric-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.metric-value.green { color: var(--accent-green); }
.metric-value.yellow { color: var(--accent-yellow); }
.metric-value.red { color: var(--accent-red); }
.metric-value.blue { color: var(--accent-blue); }

.metric-sub {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* === TABLES === */
.data-table-wrap {
    overflow-x: auto;
    margin-top: 8px;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

table.data-table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    cursor: pointer;
}

table.data-table th:hover {
    color: var(--accent-blue);
}

table.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(45, 63, 82, 0.5);
    font-family: var(--font-mono);
    font-size: 12px;
}

table.data-table tr:hover td {
    background: var(--bg-card-hover);
}

table.data-table .num {
    text-align: right;
}

/* === ZONE BADGES === */
.zone-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.zone-badge.green { background: rgba(34, 197, 94, 0.15); color: var(--accent-green); }
.zone-badge.yellow { background: rgba(234, 179, 8, 0.15); color: var(--accent-yellow); }
.zone-badge.red { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }

/* === PORTFOLIO SELECTOR === */
.portfolio-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.portfolio-selector label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.portfolio-selector select {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 12px;
    font-size: 13px;
    font-family: var(--font-sans);
    cursor: pointer;
    min-width: 200px;
}

.portfolio-selector select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* === CHARTS === */
.chart-container {
    width: 100%;
    min-height: 350px;
    margin: 8px 0;
}

.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 1200px) {
    .chart-row { grid-template-columns: 1fr; }
}

/* === CONTROLS === */
.controls-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.btn {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 16px;
    font-size: 13px;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-blue);
}

.btn-primary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.btn-primary:hover {
    background: #2563eb;
}

/* === SEARCH & FILTERS === */
.search-input {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 12px;
    font-size: 13px;
    font-family: var(--font-sans);
    width: 250px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* === LOADING === */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .main-content { padding: 12px; }
    .header-meta { display: none; }
}

/* === PRINT === */
@media print {
    .app-header, .nav-tabs { position: static; }
    .nav-tabs { display: none; }
    .page { display: block !important; page-break-before: always; }
    body { background: #fff; color: #000; }
    .card { border: 1px solid #ccc; }
}

/* === EXPORT PANEL === */
.export-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.export-panel .label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* === BREACH TIMELINE === */
.breach-timeline {
    position: relative;
    padding: 8px 0;
}

.breach-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-red);
    display: inline-block;
    margin: 0 1px;
    cursor: pointer;
}

.breach-dot:hover {
    transform: scale(2);
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip .tooltip-text {
    visibility: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    text-align: center;
    border-radius: var(--radius);
    padding: 8px 12px;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    white-space: nowrap;
    box-shadow: var(--shadow);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
}

/* Method color dots */
.method-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 4px;
}

.method-dot.basic_hs { background: #3b82f6; }
.method-dot.ewhs_97 { background: #22c55e; }
.method-dot.ewhs_99 { background: #eab308; }
.method-dot.fhs_94 { background: #ef4444; }
.method-dot.buffer_15 { background: #a855f7; }
.method-dot.buffer_20 { background: #f97316; }