/* =============================================
   Amperes Tests Dashboard : Dark Theme
   ============================================= */

:root {
    --bg-primary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1a2847;
    --border-color: #0f3460;
    --accent-red: #e94560;
    --accent-blue: #00d2ff;
    --accent-green: #00e676;
    --accent-orange: #ff9100;
    --text-primary: #e0e0e0;
    --text-muted: #8892a4;
    --navbar-bg: #0d1321;
    --footer-bg: #0d1321;
}

/* ---- Base ---- */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

/* ---- Navbar ---- */
.dashboard-navbar {
    background: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.brand-text {
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    transition: color 0.2s;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-blue) !important;
}

/* ---- Main Content ---- */
.main-content {
    padding-top: 80px;
    padding-bottom: 40px;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* ---- Footer ---- */
.dashboard-footer {
    background: var(--footer-bg);
    border-top: 1px solid var(--border-color);
}

/* ---- Text Utilities ---- */
.text-accent-red { color: var(--accent-red) !important; }
.text-accent-blue { color: var(--accent-blue) !important; }
.text-accent-green { color: var(--accent-green) !important; }
.text-accent-orange { color: var(--accent-orange) !important; }

.glow-text {
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
}

/* ---- Hero Section ---- */
.hero-section {
    padding: 2rem 0 1rem;
}

.hero-section .display-4 {
    font-weight: 700;
    letter-spacing: 1px;
}

/* ---- Dashboard Card ---- */
.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.dashboard-card .card-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ---- Stat Cards ---- */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.stat-card.card-blue::before { background: var(--accent-blue); }
.stat-card.card-green::before { background: var(--accent-green); }
.stat-card.card-orange::before { background: var(--accent-orange); }
.stat-card.card-red::before { background: var(--accent-red); }

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.stat-card.clickable:hover {
    cursor: pointer;
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.7;
}

.card-blue .stat-icon { color: var(--accent-blue); }
.card-green .stat-icon { color: var(--accent-green); }
.card-orange .stat-icon { color: var(--accent-orange); }
.card-red .stat-icon { color: var(--accent-red); }

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.card-blue .stat-value { color: var(--accent-blue); }
.card-green .stat-value { color: var(--accent-green); }
.card-orange .stat-value { color: var(--accent-orange); }
.card-red .stat-value { color: var(--accent-red); }

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---- CTA Cards ---- */
.cta-card {
    border-radius: 12px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.cta-card:hover {
    transform: translateY(-4px);
}

.cta-green {
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.15), rgba(0, 230, 118, 0.05));
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: var(--accent-green);
}

.cta-green:hover {
    box-shadow: 0 8px 40px rgba(0, 230, 118, 0.2);
    border-color: var(--accent-green);
}

.cta-orange {
    background: linear-gradient(135deg, rgba(255, 145, 0, 0.15), rgba(255, 145, 0, 0.05));
    border: 1px solid rgba(255, 145, 0, 0.3);
    color: var(--accent-orange);
}

.cta-orange:hover {
    box-shadow: 0 8px 40px rgba(255, 145, 0, 0.2);
    border-color: var(--accent-orange);
}

.cta-card h3 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.cta-card p {
    opacity: 0.8;
    margin-bottom: 0;
    color: var(--text-muted);
}

/* ---- Device Selector ---- */
.dashboard-select {
    background-color: var(--bg-primary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

.dashboard-select:focus {
    border-color: var(--accent-blue) !important;
    box-shadow: 0 0 0 0.2rem rgba(0, 210, 255, 0.25) !important;
}

/* ---- Chart Container ---- */
.chart-container {
    position: relative;
}

/* ---- Metric Cards (Details page) ---- */
.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.metric-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.metric-blue::after { background: var(--accent-blue); }
.metric-blue { box-shadow: 0 0 30px rgba(0, 210, 255, 0.1); }
.metric-orange::after { background: var(--accent-orange); }
.metric-orange { box-shadow: 0 0 30px rgba(255, 145, 0, 0.1); }
.metric-green::after { background: var(--accent-green); }
.metric-green { box-shadow: 0 0 30px rgba(0, 230, 118, 0.1); }

.metric-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    opacity: 0.6;
}

.metric-blue .metric-icon { color: var(--accent-blue); }
.metric-orange .metric-icon { color: var(--accent-orange); }
.metric-green .metric-icon { color: var(--accent-green); }

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.metric-blue .metric-value {
    color: var(--accent-blue);
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

.metric-orange .metric-value {
    color: var(--accent-orange);
    text-shadow: 0 0 20px rgba(255, 145, 0, 0.4);
}

.metric-green .metric-value {
    color: var(--accent-green);
    text-shadow: 0 0 20px rgba(0, 230, 118, 0.4);
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---- Gauge ---- */
.gauge-container {
    position: relative;
    display: inline-block;
    margin-top: 1rem;
}

.gauge-value {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-blue);
    text-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
}

.gauge-explanation {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 1rem;
    margin-bottom: 0;
    line-height: 1.4;
}

/* ---- Info Items ---- */
.info-item {
    background: rgba(15, 52, 96, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.info-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.info-value {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---- Tables ---- */
.table-dark {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(15, 52, 96, 0.3);
    --bs-table-hover-bg: rgba(0, 210, 255, 0.08);
    --bs-table-border-color: var(--border-color);
}

.table-dark thead th {
    background: rgba(15, 52, 96, 0.5);
    border-bottom: 2px solid var(--accent-blue);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-blue);
    white-space: nowrap;
}

/* DataTables overrides */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    background-color: var(--bg-primary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 6px;
    padding: 0.3rem 0.6rem;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label {
    color: var(--text-muted) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-muted) !important;
    border: 1px solid var(--border-color) !important;
    background: var(--bg-card) !important;
    border-radius: 6px !important;
    margin: 0 2px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    color: var(--accent-blue) !important;
    background: var(--bg-card-hover) !important;
    border-color: var(--accent-blue) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--accent-blue) !important;
    color: #fff !important;
    border-color: var(--accent-blue) !important;
}

/* ---- Badges ---- */
.badge-qc-yes {
    background: rgba(0, 230, 118, 0.2);
    color: var(--accent-green);
    border: 1px solid rgba(0, 230, 118, 0.4);
    padding: 0.3em 0.7em;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-qc-no {
    background: rgba(142, 142, 164, 0.15);
    color: var(--text-muted);
    border: 1px solid rgba(142, 142, 164, 0.3);
    padding: 0.3em 0.7em;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ---- Ampere link ---- */
a.ampere-link {
    color: var(--accent-blue);
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s, text-shadow 0.2s;
}

a.ampere-link:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--accent-blue);
}

/* ---- Share Dropdown ---- */
.share-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    z-index: 1050;
    min-width: 170px;
    padding: 0.35rem 0;
}

.share-dropdown-item {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    text-align: left;
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.share-dropdown-item:hover {
    background: rgba(0, 210, 255, 0.1);
    color: var(--accent-blue);
}

/* ---- Spinner sizing ---- */
.spinner-border-lg {
    width: 3rem;
    height: 3rem;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .main-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-section .display-4 {
        font-size: 1.8rem;
    }

    .stat-value {
        font-size: 1.4rem;
    }

    .metric-value {
        font-size: 1.8rem;
    }

    .cta-card {
        padding: 1.5rem 1rem;
    }

    .gauge-container canvas {
        width: 250px !important;
        height: 170px !important;
    }

    .gauge-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .stat-card {
        padding: 1rem;
    }

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

    .stat-value {
        font-size: 1.2rem;
    }

    .share-btn-label {
        display: none;
    }
}