:root {
  --side: #14213b;
  --side-active: #1f3a68;
  --top: #14213b;
  --bg: #1d2840;
  --tile: #26344f;
  --line: #34435e;
  --text: #e7ecf5;
  --muted: #9aa7bd;
  --accent: #3b82f6;
  --blue: #3b82f6;
  --green: #22c55e;
  --orange: #f59e0b;
  --red: #ef4444;
  --purple: #a855f7;
  --danger: #f87171;
  --radius: 10px;
  --side-w: 250px;
}

[hidden] { display: none !important; }
* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Kerangka (sidebar + topbar), tampil setelah login ---------- */
.shell { display: none; min-height: 100vh; }
body.authed .shell { display: flex; }

.sidebar {
  width: var(--side-w);
  background: var(--side);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  flex-shrink: 0;
  overflow-y: auto;
}

.brand-box {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
}
.logo {
  width: 42px; height: 42px;
  border-radius: 8px;
  background: #fff;
  color: var(--accent-red, #c8102e);
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 20px;
}
.brand-title { font-weight: 700; letter-spacing: .5px; }
.brand-sub { font-size: 12px; color: var(--muted); }

.nav { padding: 8px 0; flex: 1; }
.nav-group { margin-top: 10px; }
.nav-head {
  font-size: 11px;
  letter-spacing: .8px;
  color: var(--muted);
  padding: 8px 16px 4px;
  text-transform: uppercase;
}
.nav-link {
  display: block;
  padding: 9px 16px 9px 28px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  border: 0;
  background: none;
  width: 100%;
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.nav-link:hover { background: var(--side-active); }
.nav-link.active { background: var(--side-active); box-shadow: inset 3px 0 0 var(--accent); }

.side-foot {
  border-top: 1px solid var(--line);
  padding: 8px 0;
}
.nav-btn { color: var(--danger); }

.col { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--top);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.icon-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 18px;
  cursor: pointer;
}
.grow { flex: 1; }
.who { font-size: 13px; color: var(--muted); }

.wrap {
  padding: 20px;
  max-width: 1200px;
  width: 100%;
}

.scrim { display: none; }

/* ---------- Umum ---------- */
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 2px; }
.crumb a { color: var(--muted); }
.page-title { font-size: 22px; margin: 4px 0 16px; font-weight: 700; }
h2 { font-size: 15px; margin: 0 0 6px; }

.section-title {
  font-size: 13px;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 22px 0 10px;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}

.tile {
  background: var(--tile);
  border: 1px solid var(--line);
  border-top: 3px solid var(--tone, var(--blue));
  border-radius: var(--radius);
  padding: 16px;
  color: inherit;
  text-decoration: none;
  display: block;
}
.tile:hover { border-color: var(--tone, var(--blue)); }
.tile .big { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.tile small { color: var(--muted); font-size: 12px; }
.tile code { color: var(--muted); }

.card {
  background: var(--tile);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.btn {
  font: inherit;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.btn:disabled { opacity: .6; cursor: default; }

label { display: block; margin: 10px 0 4px; font-size: 13px; color: var(--muted); }
input {
  width: 100%;
  font: inherit;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
}

.notice {
  border-left: 4px solid var(--red);
  padding: 10px 12px;
  margin: 10px 0;
  background: var(--bg);
  border-radius: 6px;
  font-size: 14px;
}
.error { color: var(--danger); font-size: 14px; min-height: 1.2em; }
.muted { color: var(--muted); }

table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
code { font-size: 13px; }

/* ---------- Halaman login (tanpa sidebar) ---------- */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--side);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
}
.login-card .logo { margin: 0 auto 12px; }
.login-card h1 { text-align: center; font-size: 20px; margin: 0 0 4px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 14px; }

/* ---------- Responsif ---------- */
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    z-index: 20;
    transform: translateX(-100%);
    transition: transform .2s ease;
  }
  body.nav-open .sidebar { transform: translateX(0); }
  .icon-btn { display: inline-block; }
  body.nav-open .scrim {
    display: block;
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, .45);
    z-index: 15;
  }
  .wrap { padding: 14px; }
  .who { display: none; }
}