:root {
    --bg: #0b1220;
    --surface: #121a2b;
    --card: #162033;
    --border: #243049;
    --text: #e8eef6;
    --muted: #94a3b8;
    --teal: #2dd4bf;
    --primary: #0d9488;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: Vazirmatn, Segoe UI, sans-serif; }
a { color: var(--teal); text-decoration: none; }
code { color: #99f6e4; }

body { display: flex; min-height: 100vh; }
.sidebar {
    width: 236px;
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 22px 12px;
    position: sticky;
    top: 0;
    height: 100vh;
}
.brand { display: flex; gap: 10px; align-items: center; margin: 0 8px 24px; }
.brand i { font-size: 28px; color: var(--teal); }
.brand span { display: block; color: var(--muted); font-size: 12px; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar a {
    color: #e2e8f0;
    padding: 10px 12px;
    border-radius: 10px;
    display: flex;
    gap: 10px;
    align-items: center;
}
.sidebar a:hover { background: rgba(45, 212, 191, .1); }
.sidebar a.active { background: rgba(45, 212, 191, .2); color: #5eead4; }
.nav-bottom { margin-top: auto; display: flex; flex-direction: column; gap: 4px; }
.logout-btn {
    width: 100%;
    background: transparent;
    border: 0;
    color: #e2e8f0;
    padding: 10px 12px;
    border-radius: 10px;
    display: flex;
    gap: 10px;
    align-items: center;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}
.logout-btn:hover { background: rgba(45, 212, 191, .1); }

.shell { flex: 1; min-width: 0; }
.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.topbar h1 { margin: 0; font-size: 22px; }
.topbar-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.chip { border-radius: 16px; padding: 6px 12px; font-weight: 600; font-size: 13px; }
.chip-green { background: #1432d583; color: #6ee7b7; }
.chip-blue { background: #142563eb; color: #93c5fd; }
.muted { color: var(--muted); }
main { padding: 18px; }

.filter-bar {
    background: #101827;
    padding: 14px 18px;
    border-radius: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: end;
    margin-bottom: 18px;
}
.filter-field label { display: block; color: var(--muted); margin-bottom: 6px; font-size: 13px; }
.filter-field input, .filter-field select {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    min-width: 160px;
}
.filter-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.btn {
    border: 0;
    border-radius: 10px;
    padding: 8px 14px;
    cursor: pointer;
    color: var(--text);
    background: transparent;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-primary { background: var(--primary); color: white; }
.btn-outline { border: 1px solid var(--border); }
.btn-ghost { background: #1a2dd4bf22; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 18px; }
.kpi { border-radius: 14px; padding: 18px; display: flex; flex-direction: column; gap: 6px; min-height: 150px; }
.kpi i { width: 44px; height: 44px; display: grid; place-items: center; background: #2effffff; border-radius: 12px; }
.kpi strong { font-size: 24px; }
.kpi-users { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.kpi-trades { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.kpi-balance { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.kpi-volume { background: linear-gradient(135deg, #f59e0b, #d97706); }
.kpi-commission { background: linear-gradient(135deg, #10b981, #059669); }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 12px;
}
.leaderboard { padding: 0; overflow: hidden; }
.leaderboard header {
    display: flex;
    gap: 12px;
    padding: 18px 14px;
    background: linear-gradient(90deg, #0f172a, #1e3a5f 55%, #0f766e);
    align-items: center;
}
.leaderboard header h2 { margin: 0; font-size: 16px; }
.leaderboard header p { margin: 4px 0 0; color: #cbd5e1; font-size: 13px; }
.trophy { width: 46px; height: 46px; border-radius: 12px; background: #24ffffff; display: grid; place-items: center; font-size: 22px; }
.leaderboard ul { list-style: none; margin: 0; padding: 8px 12px 16px; }
.leaderboard li { display: grid; grid-template-columns: auto auto 220px 1fr; gap: 12px; align-items: center; padding: 8px 6px; }
.rank { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; }
.avatar { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; font-weight: 700; }
.who small { display: block; color: var(--muted); }
.bar-row { display: grid; grid-template-columns: 92px 1fr auto; gap: 8px; align-items: center; margin-bottom: 6px; }
.bar-row span { color: var(--muted); font-size: 12px; }
.track { height: 8px; background: #1ee2e8f0; border-radius: 99px; overflow: hidden; }
.fill { height: 100%; border-radius: 99px; }
.fill-volume { background: #f59e0b; }
.fill-commission { background: #10b981; }
.gold { color: #fbbf24; }
.green { color: #34d399; }
.empty { text-align: center; color: var(--muted); padding: 24px; }

.charts-head { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 12px; align-items: start; }
.charts-head h2 { margin: 0 0 6px; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-wide { grid-column: 1 / -1; }

.table-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: right; }
th { color: var(--muted); font-weight: 600; }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 12px; }

.settings-card { max-width: 720px; margin-right: auto; padding: 24px; }
.settings-card h2 { display: flex; gap: 8px; align-items: center; }
.settings-card dl { display: grid; grid-template-columns: 180px 1fr; gap: 10px 16px; }
.settings-card dt { color: var(--muted); }
.settings-actions { display: flex; gap: 8px; margin-top: 16px; }
.status { background: #1432d583; padding: 10px 12px; border-radius: 10px; }

.login-body { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.login-card {
    width: min(420px, 100%);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.login-card .brand { margin: 0 0 8px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 13px; }
.login-card input {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 15px;
}
.login-error { margin: 0; color: #fca5a5; background: #3f1d1d; padding: 10px 12px; border-radius: 10px; }
.login-card .btn-primary { justify-content: center; }

@media (max-width: 1200px) {
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .leaderboard li { grid-template-columns: auto auto 1fr; }
    .bars { grid-column: 1 / -1; }
    .chart-grid { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
    body { display: block; }
    .sidebar { width: auto; height: auto; position: static; }
}