:root {
  --bg: #0b1220;
  --panel: #0f172a;
  --panel-2: #111c33;
  --text: #e5e7eb;
  --muted: rgba(229, 231, 235, 0.7);
  --border: rgba(255, 255, 255, 0.08);
  --primary: #60a5fa;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(96,165,250,0.20), transparent 60%),
              radial-gradient(900px 500px at 100% 10%, rgba(6,182,212,0.18), transparent 55%),
              var(--bg);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
}

.brand { font-weight: 800; letter-spacing: 0.3px; }
.brand__logo { height: 28px; width: auto; display: block; }

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 56px);
}

.sidebar {
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15,23,42,0.9), rgba(15,23,42,0.65));
  padding: 12px;
}

.sidebar.is-collapsed { width: 72px; }
.sidebar.is-collapsed .navitem span,
.sidebar.is-collapsed .hide-sm { display: none; }

.sidebar__toggle { width: 100%; justify-content: flex-start; }

.sidebar__divider { height: 1px; background: var(--border); margin: 10px 0; }

.navitem {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  margin: 6px 0;
  border: 1px solid transparent;
}

.navitem:hover { border-color: var(--border); background: rgba(255,255,255,0.03); }

.navitem--disabled {
  opacity: 0.45;
  cursor: not-allowed;
  user-select: none;
}
.navitem--disabled:hover { background: transparent; border-color: transparent; }

.content { padding: 22px; }

.card {
  background: rgba(15,23,42,0.78);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.grid { display: grid; gap: 14px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 56px; }
  .grid--2 { grid-template-columns: 1fr; }
}

.h1 { font-size: 28px; margin: 0 0 12px; }
.p { color: var(--muted); margin: 0 0 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255,255,255,0.04);
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.btn--primary { background: rgba(96,165,250,0.22); border-color: rgba(96,165,250,0.35); }
.btn--danger { background: rgba(239,68,68,0.18); border-color: rgba(239,68,68,0.35); }
.btn--ghost { background: transparent; }

.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
}

.label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }

.form { display: grid; gap: 12px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.dropdown { position: relative; }
.dropdown__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 220px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15,23,42,0.96);
  padding: 6px;
  display: none;
}
.dropdown__menu.is-open { display: block; }
.dropdown__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 10px;
}
.dropdown__item:hover { background: rgba(255,255,255,0.04); }

.linklike {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.table {
  width: 100%;
  border-collapse: collapse;
}
.table th, .table td {
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.alert {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  padding: 10px 12px;
  border-radius: 12px;
}
.alert--danger { border-color: rgba(239,68,68,0.35); background: rgba(239,68,68,0.14); }
.alert--success { border-color: rgba(34,197,94,0.35); background: rgba(34,197,94,0.12); }