:root {
    --bg: #07111f;
    --panel: rgba(255,255,255,0.08);
    --panel-strong: rgba(255,255,255,0.12);
    --border: rgba(255,255,255,0.14);
    --text: #eaf2ff;
    --muted: #8fa3bf;
    --accent: #38bdf8;
    --accent-2: #8b5cf6;
    --success: #22c55e;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(56,189,248,.20), transparent 32%),
        radial-gradient(circle at top right, rgba(139,92,246,.18), transparent 30%),
        var(--bg);
    color: var(--text);
    font-family: Inter, Segoe UI, Arial, sans-serif;
}

.app-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar {
    padding: 28px 22px;
    border-right: 1px solid var(--border);
    background: rgba(2, 8, 23, .72);
    backdrop-filter: blur(18px);
}

.brand {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 34px;
}

.brand-logo {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    box-shadow: 0 0 30px rgba(56,189,248,.35);
}

.brand-name {
    font-size: 20px;
    font-weight: 800;
}

.brand-subtitle,
.eyebrow,
.kpi-label {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.nav-section {
    margin-bottom: 26px;
}

.nav-label {
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .12em;
    margin: 0 0 10px 10px;
}

.nav-section a {
    display: block;
    color: #dbeafe;
    text-decoration: none;
    padding: 11px 13px;
    border-radius: 14px;
    margin-bottom: 6px;
    transition: .18s ease;
}

.nav-section a:hover {
    background: var(--panel);
    transform: translateX(3px);
}

.main {
    padding: 30px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.topbar h1 {
    margin: 6px 0 0;
    font-size: 34px;
}

.status-pill,
.hero-status {
    border: 1px solid var(--border);
    background: var(--panel);
    border-radius: 999px;
    padding: 10px 14px;
    color: #dff6ff;
}

.hero-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    margin-bottom: 24px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(56,189,248,.16), rgba(139,92,246,.14));
    border: 1px solid var(--border);
    box-shadow: 0 24px 80px rgba(0,0,0,.25);
}

.hero-panel h2 {
    margin: 8px 0;
    font-size: 36px;
}

.hero-panel p {
    color: var(--muted);
    max-width: 720px;
}

.status-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    background: var(--success);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 16px var(--success);
}

.grid,
.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 22px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 18px 50px rgba(0,0,0,.22);
    backdrop-filter: blur(18px);
}

.card h3 {
    margin-top: 0;
}

.card p {
    color: var(--muted);
    line-height: 1.55;
}

.value {
    font-size: 42px;
    font-weight: 850;
    margin: 10px 0;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    color: transparent;
}

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.actions.vertical {
    flex-direction: column;
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    padding: 12px 16px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 14px 30px rgba(56,189,248,.18);
}

.btn.secondary {
    background: rgba(255,255,255,.08);
    border: 1px solid var(--border);
}

.status-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.status-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.status-list span {
    color: var(--muted);
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
    }

    .hero-panel,
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}