/* ============================================
   HomeDash — Dark Industrial Theme
   ============================================ */

:root {
    --bg-primary: #0d0f12;
    --bg-secondary: #131618;
    --bg-card: #181b1f;
    --bg-card-hover: #1e2226;
    --bg-sidebar: #0a0c0e;
    --border: #252930;
    --border-light: #2e333a;
    --accent: #e8a020;
    --accent-dim: #b87d18;
    --accent-glow: rgba(232, 160, 32, 0.15);
    --green: #3dba6f;
    --green-dim: rgba(61, 186, 111, 0.15);
    --red: #e05252;
    --red-dim: rgba(224, 82, 82, 0.15);
    --blue: #4a9eff;
    --blue-dim: rgba(74, 158, 255, 0.15);
    --purple: #9b7fe8;
    --text-primary: #e8eaed;
    --text-secondary: #8b9299;
    --text-muted: #555c66;
    --font-display: 'Syne', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-display);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ---- Layout ---- */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: 200px;
    min-width: 200px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-logo {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 22px;
    filter: drop-shadow(0 0 8px var(--accent));
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 18px;
    color: var(--accent);
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
    letter-spacing: 0.3px;
}

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

.nav-item.active {
    color: var(--accent);
    background: var(--accent-glow);
    border-left-color: var(--accent);
}

.nav-icon { font-size: 16px; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.mono {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ---- Main Content ---- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary);
}

.page-header {
    padding: 28px 32px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
}

.page-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.page-body {
    flex: 1;
    padding: 28px 32px;
    overflow-y: auto;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: border-color 0.15s ease;
}

.card:hover { border-color: var(--border-light); }

.card-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* ---- Grid Layouts ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

/* ---- Stat Widgets ---- */
.stat-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1;
}

.stat-unit {
    font-size: 14px;
    color: var(--text-secondary);
    margin-left: 4px;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* ---- Status Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge-green { background: var(--green-dim); color: var(--green); }
.badge-red { background: var(--red-dim); color: var(--red); }
.badge-blue { background: var(--blue-dim); color: var(--blue); }
.badge-yellow { background: var(--accent-glow); color: var(--accent); }

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.dot-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ---- Progress Bars ---- */
.progress-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s ease;
}

.progress-fill.green { background: var(--green); }
.progress-fill.yellow { background: var(--accent); }
.progress-fill.red { background: var(--red); }

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

.data-table th {
    text-align: left;
    padding: 8px 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-card-hover); color: var(--text-primary); }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.15s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover { background: var(--accent-dim); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

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

/* ---- Loading ---- */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 13px;
    gap: 12px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ---- Section spacing ---- */
.section { margin-bottom: 24px; }
.section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ---- Error state ---- */
.error-state {
    padding: 20px;
    background: var(--red-dim);
    border: 1px solid var(--red);
    border-radius: var(--radius);
    color: var(--red);
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ---- Chart containers ---- */
.chart-container {
    position: relative;
    width: 100%;
}