:root {
  --bg: #f4f6f8;
  --panel: #fff;
  --ink: #17202a;
  --muted: #647181;
  --line: #dce2e8;
  --primary: #1967d2;
  --primary-dark: #0f4fa8;
  --success: #168a5f;
  --warn: #a46408;
  --danger: #bc2f3b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: var(--primary); text-decoration: none; }
button, input, select, textarea { font: inherit; }

.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 520px) 1fr;
}

.auth-panel {
  background: var(--panel);
  padding: 42px;
  display: grid;
  align-content: center;
  gap: 22px;
  border-right: 1px solid var(--line);
}

.auth-aside {
  padding: 42px;
  display: grid;
  align-content: center;
  gap: 20px;
  background: linear-gradient(135deg, #122033, #22543d);
  color: #fff;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #2da56f;
  color: #fff;
  font-weight: 800;
}

h1, h2, p { margin: 0; }
h1 { font-size: 2rem; }
h2 { font-size: 1.35rem; }
.muted { color: var(--muted); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.full { grid-column: 1 / -1; }
label { display: grid; gap: 6px; font-weight: 650; color: #2f3b48; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 88px; resize: vertical; }

.primary, .ghost, .danger {
  border-radius: 6px;
  border: 1px solid transparent;
  min-height: 42px;
  padding: 10px 14px;
  cursor: pointer;
}
.primary { background: var(--primary); color: #fff; }
.primary:hover { background: var(--primary-dark); }
.ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.danger { background: #fff5f6; border-color: #ffd4d9; color: var(--danger); }

.alert {
  border: 1px solid #ffdda1;
  background: #fff8e8;
  color: #69430b;
  padding: 12px;
  border-radius: 6px;
}

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 280px minmax(0, 1fr); }
.sidebar {
  background: #111820;
  color: #f8fafc;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar small { color: #b7c2cd; }
.nav { display: grid; gap: 6px; }
.nav a {
  border-radius: 6px;
  padding: 11px 12px;
  color: #d8e0e8;
}
.nav a.active, .nav a:hover { background: #243140; color: #fff; }
.main { min-width: 0; padding: 28px; }
.topbar { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin-bottom: 24px; }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.card, .table-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}
.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric { display: grid; gap: 8px; }
.metric small { color: var(--muted); }
.metric strong { font-size: 1.55rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 650; font-size: .82rem; }
.badge { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: #eef3f8; font-size: .82rem; }
.badge.active { background: #e7f6ef; color: var(--success); }
.badge.pending { background: #fff4dd; color: var(--warn); }

@media (max-width: 880px) {
  .auth-page, .app-shell { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .form-grid, .kpi-grid { grid-template-columns: 1fr; }
  .main, .sidebar, .auth-panel { padding: 18px; }
}