:root {
  --bg: #f5f6fb;
  --panel: #ffffff;
  --text: #1f2430;
  --muted: #697386;
  --line: #e7e9f2;
  --orange: #ff7a1a;
  --purple: #4a2cff;
  --danger: #c42828;
  --success: #178a45;
  --warning: #b36b00;
  --shadow: 0 14px 30px rgba(31, 36, 48, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 270px; background: #111422; color: #fff; padding: 20px 16px; overflow-y: auto; }
.brand { display: flex; gap: 12px; align-items: center; padding: 8px 8px 24px; }
.brand-mark { width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--orange), var(--purple)); display: grid; place-items: center; font-weight: 800; }
.brand span { display: block; color: #aeb6c9; font-size: 12px; margin-top: 3px; }
.nav { display: grid; gap: 5px; }
.nav a { padding: 11px 12px; border-radius: 12px; color: #c9d1e4; font-size: 14px; }
.nav a:hover, .nav a.active { background: rgba(255,255,255,.09); color: #fff; }
.main { margin-left: 270px; min-height: 100vh; padding: 24px; }
.auth-main { margin-left: 0; display: grid; place-items: center; }
.topbar { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 22px; }
.topbar h1 { margin: 0 0 4px; font-size: 28px; }
.topbar p { margin: 0; color: var(--muted); }
.userbox { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 10px 14px; min-width: 210px; box-shadow: var(--shadow); }
.userbox span, .userbox small { display: block; }
.userbox small { color: var(--muted); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); margin-bottom: 18px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { padding: 18px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); box-shadow: var(--shadow); }
.stat small { color: var(--muted); display: block; }
.stat strong { font-size: 30px; display: block; margin-top: 8px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { padding: 11px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 14px; }
th { color: var(--muted); font-weight: 700; background: #fafbff; }
tr:hover td { background: #fffaf6; }
.badge { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px; background: #eef1ff; color: #2d3a82; font-size: 12px; font-weight: 700; }
.badge.success { background: #e6f7ed; color: var(--success); }
.badge.danger { background: #fdeaea; color: var(--danger); }
.badge.warning { background: #fff3df; color: var(--warning); }
.btn, button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-radius: 12px; padding: 10px 14px; cursor: pointer; background: var(--orange); color: #fff; font-weight: 700; }
.btn.secondary, button.secondary { background: #eef1f7; color: var(--text); }
.btn.danger, button.danger { background: var(--danger); }
.link-button { background: transparent; color: var(--orange); padding: 6px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.one { grid-template-columns: 1fr; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; font: inherit; color: var(--text); background: #fff; }
textarea { min-height: 90px; resize: vertical; }
.flash { margin-bottom: 16px; padding: 12px 14px; border-radius: 14px; font-weight: 700; }
.flash.success { background: #e6f7ed; color: var(--success); }
.flash.error { background: #fdeaea; color: var(--danger); }
.flash.warning { background: #fff3df; color: var(--warning); }
.danger-panel { border-color: #ffd7d7; }
.debug { white-space: pre-wrap; background: #111422; color: #fff; border-radius: 12px; padding: 12px; max-height: 360px; overflow: auto; }
.auth-card { width: min(440px, 92vw); }
.auth-card h1 { margin-top: 0; }
.helper { color: var(--muted); font-size: 13px; }
.kv { display: grid; grid-template-columns: 220px 1fr; gap: 10px; }
.kv div { padding: 8px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 980px) {
  .sidebar { position: static; width: auto; }
  .main { margin-left: 0; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4, .form-grid, .form-grid.two { grid-template-columns: 1fr; }
  .topbar { display: block; }
}