:root, [data-theme="dark"] {
  --bg: #0c0d10;
  --bg2: #14161c;
  --bg3: #1c1f28;
  --line: #2a2e38;
  --text: #eef0f4;
  --muted: #8b90a0;
  --gold: #d4b56a;
  --danger: #f3b4b4;
  --input: #0c0d10;
}
[data-theme="light"] {
  --bg: #f4f5f8;
  --bg2: #ffffff;
  --bg3: #eef0f4;
  --line: #d8dce6;
  --text: #16181d;
  --muted: #5c6270;
  --gold: #8a6b1f;
  --danger: #9b2c2c;
  --input: #f7f8fb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.45 system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: grid;
  min-height: 100vh;
  grid-template-columns: 220px 1fr;
}
.side {
  background: var(--bg2);
  border-right: 1px solid var(--line);
  padding: 24px 16px;
}
.brand { color: var(--gold); font-size: 22px; text-decoration: none; font-weight: 600; display: block; margin-bottom: 20px; }
nav a { display: block; color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 10px; }
nav a.on, nav a:hover { color: var(--text); background: var(--bg3); }
nav a.on { color: var(--gold); }
.who { color: var(--muted); font-size: 12px; margin-top: 28px; }
.muted { color: var(--muted); font-size: 12px; }
.theme-btn { width: 100%; margin: 12px 0; }
.main { padding: 32px 40px; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
h1 { font-size: 32px; font-weight: 600; margin: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat { background: var(--bg2); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.stat span { display: block; color: var(--muted); font-size: 12px; }
.stat strong { font-size: 22px; }
table { width: 100%; border-collapse: collapse; background: var(--bg2); border-radius: 14px; overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: middle; }
th { color: var(--muted); font-weight: 500; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.btn { background: var(--bg3); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; cursor: pointer; text-decoration: none; display: inline-block; font: inherit; }
.btn.primary { background: var(--gold); color: #16181d; border-color: var(--gold); }
.btn.danger { color: var(--danger); }
.login {
  display: grid;
  place-items: center;
  grid-template-columns: 1fr;
}
.card { width: 360px; background: var(--bg2); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
label { display: block; color: var(--muted); margin: 12px 0 6px; }
input, textarea, select {
  width: 100%;
  background: var(--input);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 10px;
}
.search { display: flex; gap: 8px; margin-bottom: 16px; max-width: 420px; }
.err { color: var(--danger); }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 20;
}
.modal[hidden] { display: none; }
.modal-card {
  width: min(560px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin: 0; font-size: 20px; }
.modal-body { padding: 16px 20px 24px; }
.modal-body .actions { margin-top: 16px; }