:root {
    --bg-body: #0b1220;
    --bg-panel: #0f172a;
    --bg-card: #111827;
    --bg-soft: #1f2937;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --primary: #10b981;
    --primary-strong: #059669;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #1f2937;
    --shadow: 0 18px 35px rgba(0, 0, 0, 0.35);
    --radius-lg: 18px;
    --radius-sm: 10px;
    --blur: blur(12px);
    --transition: 180ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
    background: radial-gradient(120% 120% at 10% 10%, rgba(16, 185, 129, 0.05), transparent),
        radial-gradient(100% 100% at 80% 0%, rgba(79, 70, 229, 0.06), transparent),
        var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

p {
    margin: 0;
    color: var(--text-muted);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    border: none;
    cursor: pointer;
    transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.75), rgba(11, 18, 32, 0.95));
    border-right: 1px solid var(--border);
    padding: 24px 20px;
    backdrop-filter: var(--blur);
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.sidebar__logo .badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.nav__item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    transform: translateX(4px);
}

.nav__item.active {
    background: rgba(16, 185, 129, 0.12);
    color: var(--primary);
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.nav__item i {
    width: 18px;
    text-align: center;
}

.sidebar__footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
}

.main {
    padding: 26px 30px 40px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 13px;
}

.breadcrumbs span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn {
    padding: 10px 14px;
    border-radius: 12px;
    background: var(--bg-soft);
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn--primary {
    background: linear-gradient(120deg, var(--primary), var(--primary-strong));
    color: #0b1220;
    border: none;
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.04);
}

.filters {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-group label {
    font-size: 12px;
    color: var(--text-muted);
    padding-left: 2px;
}

.input {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    color: var(--text-main);
    min-width: 180px;
}

.input--dense {
    padding: 8px 10px;
}

.filters__actions {
    display: flex;
    gap: 8px;
}

.filter-pill {
    padding: 8px 12px;
    border-radius: 12px;
    border: 1px dashed var(--border);
    color: var(--text-muted);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(400px 400px at 20% 20%, rgba(16, 185, 129, 0.05), transparent),
        radial-gradient(400px 400px at 80% 0%, rgba(79, 70, 229, 0.04), transparent);
    pointer-events: none;
}

.card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card__title {
    font-size: 15px;
    color: var(--text-main);
}

.muted {
    color: var(--text-muted);
    font-size: 13px;
}

.grid {
    display: grid;
    gap: 14px;
}

.grid--kpis {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid--panels {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.kpi {
    display: grid;
    gap: 8px;
}

.kpi__value {
    font-size: 26px;
    font-weight: 700;
}

.kpi__trend {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    font-size: 12px;
}

.badge--success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--primary);
}

.badge--warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge--danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.panel__title {
    font-size: 18px;
    margin-bottom: 8px;
}

.skeleton {
    height: 12px;
    width: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.08) 50%, rgba(255, 255, 255, 0.05) 75%);
    background-size: 200% 100%;
    border-radius: 8px;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.auth-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background: radial-gradient(120% 120% at 20% 20%, rgba(16, 185, 129, 0.08), transparent),
        radial-gradient(100% 100% at 80% 0%, rgba(79, 70, 229, 0.1), transparent),
        var(--bg-body);
    padding: 20px;
}

.auth-card {
    width: min(420px, 100%);
    background: rgba(17, 24, 39, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 26px;
    box-shadow: var(--shadow);
    backdrop-filter: var(--blur);
}

.auth-card h1 {
    margin-bottom: 6px;
}

.auth-card p {
    margin-bottom: 18px;
}

.form-group {
    display: grid;
    gap: 6px;
    margin-bottom: 14px;
}

.input--text {
    width: 100%;
    border-radius: 12px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 12px;
}

.helper {
    font-size: 12px;
    color: var(--text-muted);
}

.login-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
}

.status {
    font-size: 12px;
    color: var(--warning);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

.table th {
    color: var(--text-main);
}

.plotly-holder {
    width: 100%;
    min-height: 320px;
}

.plotly-holder .js-plotly-plot {
    width: 100% !important;
}

.alert {
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
    margin-bottom: 14px;
}

@media (max-width: 1024px) {
    .app-shell {
        grid-template-columns: 80px 1fr;
    }

    .sidebar__logo span,
    .nav__item span {
        display: none;
    }
}

@media (max-width: 720px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        height: auto;
        flex-direction: row;
        overflow-x: auto;
    }

    .main {
        padding: 20px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}