/* ══════════════════════════════════════
   COC 管理后台 暗色主题
   ══════════════════════════════════════ */
:root {
  --bg: #0f0f1a;
  --surface: #1a1a2e;
  --surface2: #222244;
  --border: #333366;
  --text: #e0e0e0;
  --muted: #8888aa;
  --gold: #c9a96e;
  --red: #a82a2a;
  --green: #2ea82a;
  --blue: #4a90d9;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.app { max-width: 1200px; margin: 0 auto; padding: 20px; }
.header { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.header h1 { font-size: 22px; color: var(--gold); }
.header nav { display: flex; gap: 16px; }
.header nav a { color: var(--muted); padding: 6px 12px; border-radius: 4px; }
.header nav a:hover, .header nav a.active { color: var(--gold); background: var(--surface2); text-decoration: none; }
.header .logout { color: var(--red); cursor: pointer; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 24px; margin-bottom: 20px; }
.card h3 { color: var(--gold); margin-bottom: 16px; font-size: 16px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.stat-item { background: var(--surface2); padding: 16px; border-radius: 6px; text-align: center; }
.stat-item .num { font-size: 28px; color: var(--gold); font-weight: bold; }
.stat-item .label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* Table */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 500; background: var(--surface2); }
tr:hover { background: var(--surface2); }
.actions { display: flex; gap: 8px; }

/* Buttons */
.btn { display: inline-block; padding: 8px 16px; border: none; border-radius: 4px; cursor: pointer; font-size: 14px; }
.btn-gold { background: var(--gold); color: #1a1a2e; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-red { background: var(--red); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn:hover { opacity: 0.85; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 4px; font-size: 13px; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.form-group textarea { min-height: 120px; resize: vertical; font-family: inherit; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.pagination button { padding: 6px 14px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 4px; cursor: pointer; }
.pagination button:hover { background: var(--surface2); }
.pagination button:disabled { opacity: 0.4; cursor: default; }
.pagination .current { background: var(--gold); color: #1a1a2e; border-color: var(--gold); }

/* Modal */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); z-index: 100; justify-content: center; align-items: center; }
.modal.show { display: flex; }
.modal-content { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 24px; width: 90%; max-width: 600px; max-height: 80vh; overflow-y: auto; }
.modal-content h3 { color: var(--gold); margin-bottom: 16px; }

/* Search */
.toolbar { display: flex; gap: 12px; margin-bottom: 16px; }
.toolbar input { flex: 1; padding: 8px 12px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--text); }

/* Login */
.login-box { max-width: 400px; margin: 100px auto; }
.login-box h1 { text-align: center; color: var(--gold); margin-bottom: 32px; }
.login-box .btn { width: 100%; }

/* Toast */
.toast { position: fixed; top: 20px; right: 20px; padding: 12px 24px; border-radius: 6px; color: #fff; font-size: 14px; z-index: 200; animation: fadeIn 0.3s; }
.toast.success { background: var(--green); }
.toast.error { background: var(--red); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }