:root {
    --bg-main: radial-gradient(circle at top left, #020617 0, #020617 42%, #020617 100%);
    --glass-bg: rgba(15, 23, 42, 0.78);
    --glass-border: rgba(148, 163, 184, 0.35);
    --accent: #38bdf8;
    --accent-soft: rgba(56, 189, 248, 0.28);
    --accent-strong: rgba(56, 189, 248, 0.55);
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
}

body.theme-dark {
    background: var(--bg-main);
    color: var(--text-main);
}

.glass-nav {
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.22), transparent 55%),
                linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.9));
    backdrop-filter: blur(18px);
}

.navbar-brand {
    font-size: 0.95rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(56, 189, 248, 0.25);
}

.nav-subtitle {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(209, 213, 219, 0.8);
}

.nav-caption {
    font-size: 0.75rem;
    color: rgba(156, 163, 175, 0.9);
}

.dashboard-shell {
    max-width: 1440px;
}

.glass-card {
    border-radius: 1.35rem;
    border: 1px solid var(--glass-border);
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.08), transparent 55%),
                radial-gradient(circle at bottom right, rgba(129, 140, 248, 0.12), transparent 60%),
                var(--glass-bg);
    box-shadow:
        0 18px 45px rgba(15, 23, 42, 0.95),
        0 0 0 1px rgba(15, 23, 42, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.25), transparent 55%);
    pointer-events: none;
}

.glass-card > * {
    position: relative;
}

/* KPI cards */
.kpi-card {
    padding: 1rem 1.1rem 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kpi-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
}

.kpi-chip {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    color: var(--text-main);
}

.kpi-chip-live {
    border-color: rgba(52, 211, 153, 0.9);
    color: #bbf7d0;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.22);
}

.kpi-main {
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
}

.kpi-value {
    font-size: 1.9rem;
    font-weight: 700;
}

.kpi-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.kpi-footer {
    margin-top: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.kpi-footer.subtle {
    border-top: 1px dashed rgba(148, 163, 184, 0.35);
    padding-top: 0.3rem;
    margin-top: 0.5rem;
}

#sparkOrders {
    width: 80px !important;
    height: 24px !important;
}

/* Chart wrappers */
.chart-wrapper {
    position: relative;
    width: 100%;
    height: 260px;
}

@media (min-width: 1200px) {
    .chart-wrapper {
        height: 290px;
    }
}

/* Table */
.ultra-table thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-color: rgba(31, 41, 55, 1);
}

.ultra-table tbody td {
    font-size: 0.8rem;
    border-color: rgba(31, 41, 55, 1);
}

/* Helpers */
.text-muted {
    color: var(--text-muted) !important;
}

.range-select {
    min-width: 120px;
    background-color: #020617;
    border-color: rgba(148, 163, 184, 0.7);
    color: var(--text-main);
}

.view-toggle .btn {
    border-radius: 999px !important;
}

.view-toggle .btn.active {
    background-color: var(--accent-strong);
}

/* Footer */
.dashboard-footer {
    padding-inline: 0.15rem;
    padding-top: 0.4rem;
}

/* Light theme override */
body:not(.theme-dark) {
    background: radial-gradient(circle at top left, #eff6ff 0, #f9fafb 45%, #e5e7eb 100%);
    color: #0f172a;
}

body:not(.theme-dark) .glass-nav {
    background: linear-gradient(to right, rgba(15, 23, 42, 0.96), rgba(30, 64, 175, 0.96));
}

body:not(.theme-dark) .glass-card {
    background: radial-gradient(circle at top left, rgba(191, 219, 254, 0.9), rgba(239, 246, 255, 1));
}

body:not(.theme-dark) .kpi-label,
body:not(.theme-dark) .text-muted {
    color: #6b7280 !important;
}

body:not(.theme-dark) .ultra-table {
    color: #0f172a;
    background-color: #f9fafb;
}

body:not(.theme-dark) .ultra-table thead th {
    background-color: #e5e7eb;
}