/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2236;
    --bg-card-hover: #1f2a42;
    --bg-table-row: #141c2e;
    --bg-table-hover: #1a2540;

    --text-primary: #e8ecf4;
    --text-secondary: #8b95a8;
    --text-muted: #5a6478;

    --accent-green: #22c55e;
    --accent-green-dim: rgba(34, 197, 94, 0.12);
    --accent-amber: #f59e0b;
    --accent-amber-dim: rgba(245, 158, 11, 0.12);
    --accent-red: #ef4444;
    --accent-red-dim: rgba(239, 68, 68, 0.12);
    --accent-blue: #3b82f6;
    --accent-blue-dim: rgba(59, 130, 246, 0.12);
    --accent-purple: #a855f7;
    --accent-purple-dim: rgba(168, 85, 247, 0.12);

    --border: #1e293b;
    --border-light: #2a3650;
    --radius: 12px;
    --radius-sm: 8px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html { font-size: 15px; }

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

/* ===== App Layout ===== */
.app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 3rem;
}

/* ===== Header ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.8rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.8rem;
}

.header-left { display: flex; align-items: center; }

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon { font-size: 1.8rem; }

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #e8ecf4, #8b95a8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.73rem;
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-top: 0.1rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-green);
    background: var(--accent-green-dim);
    padding: 0.3rem 0.7rem;
    border-radius: 100px;
}

.live-dot {
    width: 7px;
    height: 7px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.server-time {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== Cards ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.8rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem 1.3rem;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.card:hover::before { opacity: 1; }

.card-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 0.6rem;
}

.card-value {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 0.4rem;
}

.card-detail {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Card Variants */
.card-latest .card-value.status-success { color: var(--accent-green); }
.card-latest .card-value.status-no_expiry { color: var(--accent-amber); }
.card-latest .card-value.status-error { color: var(--accent-red); }
.card-latest .card-value.status-unknown { color: var(--text-muted); }

/* ===== File Distribution ===== */
.file-dist {
    margin-bottom: 1.8rem;
}

.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.dist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 0.75rem;
}

.dist-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.dist-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

.dist-name {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.dist-meta {
    text-align: right;
}

.dist-count {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.dist-size {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

/* Dynamic border colors applied via JS data-color attribute */
.dist-card[data-color="0"] { border-left: 3px solid var(--accent-blue); }
.dist-card[data-color="1"] { border-left: 3px solid var(--accent-purple); }
.dist-card[data-color="2"] { border-left: 3px solid var(--accent-amber); }
.dist-card[data-color="3"] { border-left: 3px solid var(--accent-green); }
.dist-card[data-color="4"] { border-left: 3px solid var(--accent-red); }
.dist-card[data-color="5"] { border-left: 3px solid #ec4899; }
.dist-card[data-color="6"] { border-left: 3px solid #06b6d4; }
.dist-card[data-color="7"] { border-left: 3px solid #f97316; }

/* ===== History Table ===== */
.history { margin-bottom: 2rem; }

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.refresh-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.35rem 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.refresh-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.refresh-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.table-wrap {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.history-table thead {
    background: var(--bg-secondary);
}

.history-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border);
}

.history-table td {
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    transition: background 0.15s;
}

.history-table tbody tr {
    background: var(--bg-table-row);
}

.history-table tbody tr:hover {
    background: var(--bg-table-hover);
}

.history-table tbody tr:last-child td {
    border-bottom: none;
}

.date-cell {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.82rem;
}

.rows-cell {
    font-family: var(--font-mono);
    font-weight: 500;
}

.loading-cell {
    text-align: center;
    padding: 2rem !important;
    color: var(--text-muted);
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.badge-success {
    color: var(--accent-green);
    background: var(--accent-green-dim);
}

.badge-no_expiry {
    color: var(--accent-amber);
    background: var(--accent-amber-dim);
}

.badge-error {
    color: var(--accent-red);
    background: var(--accent-red-dim);
}

.badge-unknown, .badge-partial {
    color: var(--text-muted);
    background: rgba(100, 116, 139, 0.12);
}

.duration-cell {
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.log-size-cell {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    html { font-size: 14px; }
    .app { padding: 1rem; }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }

    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .dist-grid {
        grid-template-columns: 1fr;
    }

    .dist-grid {
        grid-template-columns: 1fr;
    }

    .table-wrap {
        overflow-x: auto;
    }

    .history-table {
        min-width: 600px;
    }
}

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