:root {
    --bg: #08111c;
    --panel: #102338;
    --panel-muted: #17314e;
    --text: #f2f6fa;
    --muted: #a7b6c8;
    --accent: #45d29e;
    --danger: #ff6b6b;
    --warning: #ffd166;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(69, 210, 158, 0.12), transparent 35%),
        linear-gradient(180deg, #08111c 0%, #0d1928 100%);
    color: var(--text);
}

a {
    color: var(--accent);
}

.container {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
}

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

.sidebar {
    padding: 2rem 1.5rem;
    background: rgba(9, 20, 33, 0.95);
    border-right: 1px solid var(--border);
}

.sidebar h1,
.sidebar h2,
.content h1,
.content h2 {
    margin-top: 0;
}

.nav-link,
.button,
button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
}

.nav-link {
    width: 100%;
    padding: 0.8rem 1rem;
    color: var(--text);
    border: 1px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(69, 210, 158, 0.1);
    border-color: rgba(69, 210, 158, 0.2);
}

.content {
    padding: 2rem 0 4rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.card {
    background: linear-gradient(180deg, rgba(23, 49, 78, 0.92), rgba(12, 26, 42, 0.96));
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

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

.table th,
.table td {
    padding: 0.85rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.button,
button,
input,
select,
textarea {
    font: inherit;
}

.button,
button {
    border: 0;
    padding: 0.8rem 1rem;
    background: var(--accent);
    color: #04110c;
    font-weight: 700;
}

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

.button.danger {
    background: var(--danger);
    color: white;
}

.field {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(7, 18, 30, 0.7);
    color: var(--text);
}

.status {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
}

.status.approved,
.status.active {
    background: rgba(69, 210, 158, 0.15);
    color: #79e5ba;
}

.status.pending_review,
.status.warning {
    background: rgba(255, 209, 102, 0.15);
    color: var(--warning);
}

.status.blocked,
.status.danger {
    background: rgba(255, 107, 107, 0.15);
    color: #ff8f8f;
}

.hero {
    padding: 5rem 0;
}

.hero h1 {
    font-size: clamp(2.2rem, 6vw, 4.8rem);
    line-height: 0.95;
    margin-bottom: 1rem;
}

.flash {
    padding: 0.85rem 1rem;
    border-radius: 16px;
    margin-bottom: 1rem;
}

.flash.success {
    background: rgba(69, 210, 158, 0.12);
    border: 1px solid rgba(69, 210, 158, 0.2);
}

.flash.error {
    background: rgba(255, 107, 107, 0.12);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

@media (max-width: 920px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: sticky;
        top: 0;
        z-index: 10;
    }
}