:root {
  --ink: #1a1d24;
  --ink-2: #4a4f5c;
  --ink-3: #8a8f9c;
  --rule: #e4e6eb;
  --surface: #fff;
  --bg: #f5f7fa;
  --accent: #2b6cb0;
  --accent-dark: #234e80;
  --green: #2f855a;
  --red: #c53030;
  --amber: #b7791f;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; color: var(--ink); background: var(--bg); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.topbar { background: #fff; border-bottom: 1px solid var(--rule); padding: 14px 0; margin-bottom: 24px; }
.topbar .container { display: flex; align-items: center; gap: 16px; }
.topbar .brand { font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; margin-right: 24px; }
.topbar nav { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.topbar nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; }
.topbar nav a:hover { color: var(--accent); }
h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 24px 0 12px; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: 20px; margin-bottom: 16px; box-shadow: var(--shadow); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; font-weight: 500; }
.input { width: 100%; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 6px; font-size: 14px; font-family: inherit; background: #fff; }
.input:focus { outline: none; border-color: var(--accent); }
.mono { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 13px; }
.btn { display: inline-block; padding: 9px 16px; border: 1px solid transparent; border-radius: 6px; font-size: 14px; font-weight: 500; cursor: pointer; text-decoration: none; font-family: inherit; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: #fff; color: var(--ink-2); border-color: var(--rule); }
.btn-ghost:hover { background: #f5f7fa; }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 13px; }
.flash { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: var(--green); }
.flash-error   { background: #fef2f2; border: 1px solid #fecaca; color: var(--red); }
.flash-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: var(--accent); }
table.data { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); }
table.data th, table.data td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--rule); font-size: 14px; }
table.data th { background: #fafbfc; font-weight: 600; color: var(--ink-2); font-size: 13px; }
table.data tr:last-child td { border-bottom: none; }
table.data .actions a { margin-right: 8px; }
table.data .actions form { display: inline; margin: 0; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.page-header .actions { display: flex; gap: 8px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 500; }
.badge-success { background: #f0fdf4; color: var(--green); }
.badge-pending { background: #fef3c7; color: var(--amber); }
.badge-error   { background: #fef2f2; color: var(--red); }
.badge-neutral { background: #f3f4f6; color: var(--ink-2); }
.login-wrap { max-width: 400px; margin: 80px auto; }
.empty { text-align: center; padding: 60px 20px; color: var(--ink-3); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: #fff; padding: 14px 18px; border: 1px solid var(--rule); border-radius: 8px; }
.stat-num { font-size: 24px; font-weight: 700; display: block; }
.stat-lbl { font-size: 12px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.5px; }
footer { margin: 40px 0 20px; padding-top: 20px; border-top: 1px solid var(--rule); text-align: center; }
.form-footer { display: flex; gap: 8px; margin-top: 16px; }
.field-hint { display: block; font-size: 12px; color: var(--ink-3); margin-top: 4px; }