:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --warn: #d97706;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.hidden { display: none !important; }

/* 登入 */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e3a8a, #2563eb 60%, #3b82f6);
}
.login-card {
  background: var(--card); border-radius: 14px; padding: 40px 36px; width: 380px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.login-card h1 { font-size: 20px; text-align: center; }
.login-card .subtitle { text-align: center; color: var(--muted); font-size: 12px; margin: 8px 0 24px; }
.login-card label { display: block; margin-bottom: 14px; color: var(--text); font-weight: 500; }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; margin-top: 6px; font-size: 14px; }
.error-msg { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 18px; }

/* 頂欄 */
.topbar {
  background: var(--card); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: 56px;
}
.topbar .brand { font-weight: 700; font-size: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.status-chip { background: #ecfdf5; color: var(--success); border: 1px solid #a7f3d0; border-radius: 999px; padding: 2px 10px; font-size: 12px; }

/* 頁籤 */
.tabs { display: flex; gap: 4px; padding: 0 20px; background: var(--card); border-bottom: 1px solid var(--border); }
.tab {
  border: none; background: none; padding: 14px 18px; cursor: pointer; font-size: 14px; color: var(--muted);
  border-bottom: 3px solid transparent; font-weight: 500;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.badge { background: var(--danger); color: #fff; border-radius: 999px; padding: 1px 7px; font-size: 11px; }

main { padding: 20px; max-width: 1200px; margin: 0 auto; }

/* 統計卡 */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.stat-card .num { font-size: 28px; font-weight: 700; }
.stat-card .lbl { color: var(--muted); font-size: 12px; margin-top: 2px; }
.stat-card.danger .num { color: var(--danger); }
.stat-card.warn .num { color: var(--warn); }
.stat-card.success .num { color: var(--success); }

/* 表格 */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 20px; }
.card h2 { font-size: 15px; margin-bottom: 12px; }
.card .toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.card .toolbar .spacer { flex: 1; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
tr:hover td { background: #f8fafc; }

/* 按鈕 */
.btn {
  border: 1px solid var(--border); background: var(--card); padding: 8px 14px; border-radius: 8px;
  cursor: pointer; font-size: 13px; font-weight: 500;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { color: var(--danger); border-color: #fecaca; }
.btn.danger:hover { background: #fef2f2; }
.btn.success { color: var(--success); border-color: #bbf7d0; }
.btn.success:hover { background: #f0fdf4; }
.btn.warn { color: var(--warn); border-color: #fde68a; }
.btn.ghost { background: none; border-color: transparent; color: var(--muted); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.block { width: 100%; padding: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 狀態 */
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.pill.active { background: #dcfce7; color: #166534; }
.pill.disabled { background: #f1f5f9; color: #475569; }
.pill.error { background: #fee2e2; color: #991b1b; }
.pill.success { background: #dcfce7; color: #166534; }
.pill.running { background: #dbeafe; color: #1e40af; }
.pill.awaiting_captcha { background: #fef9c3; color: #854d0e; }
.pill.failed { background: #fee2e2; color: #991b1b; }
.pill.pending { background: #fef9c3; color: #854d0e; }
.pill.cancelled { background: #f1f5f9; color: #475569; }

/* 彈窗 */
#modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,23,42,.5); display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal { background: var(--card); border-radius: 14px; padding: 24px; width: 480px; max-width: 94vw; max-height: 90vh; overflow: auto; }
.modal h3 { margin-bottom: 16px; }
.modal label { display: block; margin-bottom: 12px; font-weight: 500; }
.modal input, .modal select, .modal textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; margin-top: 5px; font-size: 13px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #0f172a; color: #fff; padding: 12px 22px; border-radius: 10px; z-index: 200; font-size: 13px;
  box-shadow: 0 10px 30px rgba(0,0,0,.3);
}
.toast.ok { background: var(--success); }
.toast.err { background: var(--danger); }

/* 驗證碼 */
.captcha-svg { border: 1px solid var(--border); border-radius: 8px; background: #f8fafc; }
.captcha-item { border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 12px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.captcha-item .info { flex: 1; min-width: 200px; }
.captcha-item .solve-row { display: flex; gap: 8px; align-items: center; }

/* log */
.step-log { background: #0f172a; color: #cbd5e1; border-radius: 8px; padding: 12px; font-family: ui-monospace, monospace; font-size: 12px; line-height: 1.7; max-height: 320px; overflow: auto; }
.step-log .err { color: #fca5a5; }

.pagination { display: flex; gap: 8px; align-items: center; margin-top: 12px; }
.muted { color: var(--muted); }
.mt-10 { margin-top: 10px; }
.mb-10 { margin-bottom: 10px; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }
input[type="search"] { padding: 8px 11px; border: 1px solid var(--border); border-radius: 8px; }