:root {
  --primary: #8224e3;
  --primary-dark: #6a1db8;
  --secondary: #47b8ff;
  --accent: #06d6a0;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --sidebar-w: 240px;
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-card2: #16213e;
  --border: rgba(255,255,255,0.08);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --radius: 12px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo img { width: 36px; height: 36px; border-radius: 8px; }
.sidebar-logo span { font-size: 14px; font-weight: 700; color: var(--text); }

.sidebar-nav { flex: 1; padding: 12px 8px; }

.nav-section {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 12px 8px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all .15s;
  margin-bottom: 2px;
}

.nav-item:hover { background: rgba(130,36,227,.15); color: var(--text); }
.nav-item.active { background: rgba(130,36,227,.25); color: var(--primary); }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}

/* ── Main content ────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: 60px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title { font-size: 18px; font-weight: 600; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff;
  cursor: pointer;
}

.page-content { padding: 24px; flex: 1; }

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

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

.card-title { font-size: 15px; font-weight: 600; }

/* ── KPI grid ────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.kpi-label { font-size: 12px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .5px; }
.kpi-value { font-size: 28px; font-weight: 700; margin: 6px 0 2px; }
.kpi-sub { font-size: 12px; color: var(--text-muted); }
.kpi-up { color: var(--success); }
.kpi-down { color: var(--danger); }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .15s;
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-secondary { background: rgba(255,255,255,.08); color: var(--text); }
.btn-secondary:hover { background: rgba(255,255,255,.14); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Tables ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

/* ── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-purple { background: rgba(130,36,227,.2); color: var(--primary); }
.badge-blue   { background: rgba(71,184,255,.2); color: var(--secondary); }
.badge-green  { background: rgba(6,214,160,.2);  color: var(--accent); }
.badge-red    { background: rgba(239,68,68,.2);  color: var(--danger); }
.badge-yellow { background: rgba(245,158,11,.2); color: var(--warning); }
.badge-gray   { background: rgba(148,163,184,.1); color: var(--text-muted); }

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text-muted); }
.form-control {
  width: 100%;
  padding: 9px 12px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.form-control:focus { border-color: var(--primary); }
.form-control::placeholder { color: var(--text-muted); }

select.form-control option { background: var(--bg-card); }

/* ── Modals ──────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 480px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-title { font-size: 16px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; }

/* ── Alerts ──────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  border-left: 3px solid;
}
.alert-success { background: rgba(16,185,129,.1); border-color: var(--success); color: var(--success); }
.alert-danger   { background: rgba(239,68,68,.1);  border-color: var(--danger);  color: var(--danger); }
.alert-warning  { background: rgba(245,158,11,.1); border-color: var(--warning); color: var(--warning); }
.alert-info     { background: rgba(71,184,255,.1); border-color: var(--secondary); color: var(--secondary); }

/* ── Auth page ───────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.auth-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 400px;
  max-width: 95vw;
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo img { width: 56px; border-radius: 12px; }
.auth-logo h1 { font-size: 20px; font-weight: 700; margin-top: 10px; }
.auth-logo p  { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ── Misc ────────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.text-sm    { font-size: 12px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 3px; }