/* =========================================================================
   Mithal.space Monitor — Dashboard Stylesheet
   ========================================================================= */

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

:root {
    /* Light theme */
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #555770;
    --text-muted: #8e8ea0;
    --border-color: #e0e0e6;
    --accent: #4361ee;
    --accent-light: #e8ecff;
    --green: #22c55e;
    --green-bg: #dcfce7;
    --yellow: #eab308;
    --yellow-bg: #fef9c3;
    --red: #ef4444;
    --red-bg: #fee2e2;
    --chart-line: #4361ee;
    --chart-fill: rgba(67, 97, 238, 0.12);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.25s ease;
}

[data-theme="dark"] {
    --bg-primary: #0f1117;
    --bg-secondary: #181b24;
    --bg-card: #1e2130;
    --text-primary: #e4e4ed;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --border-color: #2a2d3a;
    --accent: #6c8cff;
    --accent-light: #1e2740;
    --green: #34d399;
    --green-bg: #0d3329;
    --yellow: #facc15;
    --yellow-bg: #3b3508;
    --red: #f87171;
    --red-bg: #3b1212;
    --chart-line: #6c8cff;
    --chart-fill: rgba(108, 140, 255, 0.10);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
}

html {
    font-size: 15px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
        Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
}

/* ---------- Dashboard Container ---------- */
.dashboard {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
}

/* ---------- Header ---------- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 18px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    transition: background var(--transition), border var(--transition);
}

.header-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 10px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    cursor: pointer;
    font-size: 1.15rem;
    color: var(--text-primary);
    transition: background var(--transition);
}

.theme-toggle:hover {
    background: var(--accent-light);
}

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline; }

/* Refresh Info */
.refresh-info {
    display: flex;
    align-items: center;
    gap: 6px;
}

.countdown {
    font-size: 0.82rem;
    color: var(--text-muted);
    min-width: 28px;
    text-align: right;
}

.refresh-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity var(--transition);
}

.refresh-btn:hover {
    opacity: 0.85;
}

/* Export Button */
.export-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 14px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    transition: background var(--transition);
}

.export-btn:hover {
    background: var(--accent-light);
}

/* ---------- Loading Indicator ---------- */
.loading-indicator {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.loading-indicator.active {
    display: flex;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ---------- Status Cards ---------- */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: background var(--transition), border var(--transition),
        box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.card-value {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.card-unit {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.card-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

/* Status animation */
.card-status-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ---------- Charts ---------- */
.charts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: background var(--transition), border var(--transition);
}

.chart-container h3 {
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

/* ---------- Table ---------- */
.table-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: background var(--transition), border var(--transition);
    margin-bottom: 24px;
}

.table-section h3 {
    font-size: 0.92rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

thead th {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

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

tbody tr:hover {
    background: var(--accent-light);
}

.no-data {
    text-align: center;
    color: var(--text-muted);
    padding: 24px 0 !important;
}

/* Status badge */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-up {
    background: var(--green-bg);
    color: var(--green);
}

.status-down {
    background: var(--red-bg);
    color: var(--red);
}

.status-warn {
    background: var(--yellow-bg);
    color: var(--yellow);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .dashboard {
        padding: 12px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        padding: 14px 16px;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .card {
        padding: 14px;
    }

    .card-value {
        font-size: 1.3rem;
    }

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

    table {
        font-size: 0.8rem;
    }

    thead th, tbody td {
        padding: 8px 8px;
    }
}

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