:root {
  --bg: #faf6f0;
  --surface: #ffffff;
  --surface-2: #f5f0e8;
  --text: #1c1917;
  --text-2: #44403c;
  --muted: #78716c;
  --line: #ede6db;
  --line-strong: #e2d9cc;
  --brand: #c2410c;
  --brand-strong: #9a3412;
  --brand-soft: #fdf1e9;
  --brand-soft-2: #fbe3d4;
  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.05);
  --shadow-md: 0 8px 24px rgba(28, 25, 23, 0.08);
  --radius: 16px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button { cursor: pointer; font-family: inherit; }
a { color: var(--brand); }
[hidden] { display: none !important; }

/* ---------- Login ---------- */
.login-view { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 34px; width: 340px; max-width: 100%; text-align: center;
}
.login-box h2 { margin: 0 0 22px; font-size: 20px; font-weight: 800; }
.login-box input {
  width: 100%; height: 46px; padding: 0 14px;
  border-radius: 12px; border: 1px solid var(--line-strong);
  background: var(--surface-2); color: var(--text); font-size: 15px; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.login-box input:focus { border-color: var(--brand-soft-2); background: #fff; box-shadow: 0 0 0 4px rgba(194, 65, 12, 0.08); }
.login-box .primary { width: 100%; margin-top: 14px; height: 46px; }
.err { color: #dc2626; font-size: 13px; min-height: 16px; margin: 10px 0 0; }
.back { display: inline-block; margin-top: 16px; font-size: 13px; color: var(--muted); text-decoration: none; }
.back:hover { color: var(--brand); }

/* ---------- Buttons ---------- */
.primary {
  background: var(--brand); color: #fff; border: none;
  padding: 10px 16px; border-radius: 11px; font-weight: 700; font-size: 13.5px;
  transition: background 0.14s;
}
.primary:hover { background: var(--brand-strong); }
.ghost {
  background: var(--surface); color: var(--text-2);
  border: 1px solid var(--line-strong);
  padding: 9px 14px; border-radius: 11px; font-weight: 600; font-size: 13.5px;
  transition: background 0.14s, border-color 0.14s;
}
.ghost:hover { background: var(--surface-2); border-color: var(--line-strong); }

/* ---------- Header + tabs ---------- */
.admin-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 15px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  font-weight: 800; font-size: 16px;
  position: sticky; top: 0; z-index: 10;
}
.tabs { display: flex; gap: 8px; padding: 18px 24px 0; flex-wrap: wrap; }
.tab {
  background: var(--surface); border: 1px solid var(--line);
  color: var(--muted); padding: 9px 16px; border-radius: 999px;
  font-weight: 600; font-size: 14px;
  transition: background 0.14s, color 0.14s, border-color 0.14s;
}
.tab:hover { background: var(--surface-2); }
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ---------- Panel ---------- */
.panel { padding: 18px 24px 48px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.panel-head h3 { margin: 0; font-size: 16px; font-weight: 800; }

/* ---------- Form ---------- */
.form {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px; margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.form .row { display: flex; gap: 12px; flex-wrap: wrap; }
.form label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12.5px; color: var(--muted); font-weight: 600;
  flex: 1; margin-bottom: 12px; min-width: 140px;
}
.form input, .form textarea, .form select {
  padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--surface-2); color: var(--text);
  font-size: 14px; font-family: inherit; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.form input:focus, .form textarea:focus, .form select:focus {
  border-color: var(--brand-soft-2); background: #fff; box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.08);
}
.form textarea { resize: vertical; }
.form .check { flex-direction: row; align-items: center; gap: 8px; color: var(--text-2); }
.form .check input { width: auto; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }
.hint { font-size: 13px; color: var(--muted); }

/* ---------- Table ---------- */
.tbl {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.tbl th, .tbl td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--muted); font-weight: 700; font-size: 12.5px; background: var(--surface-2); }
.tbl tr:last-child td { border-bottom: none; }
.tbl .mini { padding: 6px 10px; font-size: 12px; margin-right: 6px; }
.s-icon {
  width: 30px; height: 30px; border-radius: 9px;
  display: inline-grid; place-items: center;
  font-weight: 800; color: #fff; font-size: 13px;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: #1c1917; color: #fff;
  padding: 11px 18px; border-radius: 12px;
  font-size: 13.5px; z-index: 99;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.25); max-width: 90vw;
}
.toast[hidden] { display: none; }

@media (max-width: 720px) {
  .admin-header { padding: 13px 16px; }
  .tabs { padding: 14px 16px 0; }
  .panel { padding: 16px 16px 40px; }
  .form label { min-width: 100%; }
  .tbl { display: block; overflow-x: auto; }
}