:root {
  --primary: #4f46e5;
  --primary-strong: #4338ca;
  --bg: #f1f5f9;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --danger: #dc2626;
  --success: #16a34a;
  --warn: #d97706;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.hidden { display: none !important; }

.app { display: flex; flex-direction: column; min-height: 100vh; }

/* 顶部统计栏 */
.top-stats {
  background: #0f172a;
  color: #cbd5e1;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff; font-weight: 700; display: grid; place-items: center;
  font-size: 18px;
}
.brand-title { font-size: 16px; font-weight: 700; color: #fff; }
.brand-sub { font-size: 12px; color: #94a3b8; }
.stats { display: flex; gap: 16px; }
.stat { background: #1e293b; border-radius: 8px; padding: 10px 20px; text-align: center; min-width: 90px; }
.stat span { display: block; font-size: 20px; font-weight: 700; color: #fff; }
.stat label { font-size: 11px; color: #94a3b8; }

/* 主内容 */
.main { display: flex; flex-direction: column; flex: 1; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.topbar h1 { font-size: 24px; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.task-badge {
  padding: 4px 12px; border-radius: 999px; background: #eef2ff;
  color: var(--primary-strong); font-size: 13px; font-weight: 600;
}
.view { padding: 24px; display: flex; flex-direction: column; gap: 20px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.panel-head h2 { font-size: 16px; margin: 0; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

textarea, input, select {
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px;
  font-size: 14px; font-family: inherit; color: var(--text); background: #fff; width: 100%;
}
textarea { resize: vertical; }
input[type=checkbox] { width: auto; }
select, input[type=search] { width: auto; min-width: 140px; }

.btn {
  border: 1px solid transparent; border-radius: 8px; padding: 9px 15px;
  font-size: 14px; cursor: pointer; font-weight: 500; white-space: nowrap;
}
.btn.small { padding: 6px 11px; font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-strong); }
.btn-secondary { background: #fff; border-color: var(--line); color: var(--text); }
.btn-secondary:hover { background: #f8fafc; }
.btn-danger { background: #fee2e2; color: var(--danger); }
.btn-danger:hover { background: #fecaca; }

/* 表格 */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: #f8fafc; color: var(--muted); font-weight: 600; position: sticky; top: 0; }
tbody tr:hover { background: #f8fafc; }
.col-check { width: 36px; }
.secret { font-family: ui-monospace, monospace; color: var(--muted); }

.badge { padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.valid, .badge.ok { background: #dcfce7; color: var(--success); }
.badge.invalid, .badge.failed { background: #fee2e2; color: var(--danger); }
.badge.banned { background: #f1f5f9; color: var(--muted); }
.badge.running { background: #fef3c7; color: var(--warn); }
.badge.empty { background: #f1f5f9; color: #94a3b8; }

.pager { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.pager-sel { margin-left: auto; color: var(--muted); }

.link-btn { background: none; border: none; color: var(--primary); cursor: pointer; padding: 0 4px; font-size: 13px; }

/* 设置表单 */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.form-grid label span { color: var(--text); font-weight: 500; }

/* 日志 */
.log-output {
  background: #0b1220; color: #cbe6da; border-radius: 8px; padding: 14px;
  font-family: ui-monospace, Menlo, Monaco, monospace; font-size: 12.5px; line-height: 1.6;
  height: 62vh; overflow: auto; margin: 0; white-space: pre-wrap; word-break: break-all;
}
.log-line.error { color: #fca5a5; }
.log-line.success { color: #86efac; }
.log-line.warn { color: #fcd34d; }
.log-time { color: #64748b; }
.log-email { color: #93c5fd; }

/* 弹窗 */
.modal { position: fixed; inset: 0; background: rgba(15,23,42,.5); display: grid; place-items: center; z-index: 50; }
.modal-card { background: #fff; border-radius: 14px; width: min(640px, 92vw); max-height: 90vh; display: flex; flex-direction: column; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--muted); line-height: 1; }
.modal-body { padding: 20px; overflow: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.modal-body label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.modal-body label.full { grid-column: 1 / -1; }
.modal-body label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line); }
.detail-table { grid-column: 1/-1; }
.detail-table td { border: none; padding: 6px 8px; }

/* 代理检测 / 收件 */
.hint { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.loading { color: var(--muted); padding: 20px; text-align: center; grid-column: 1 / -1; }
.proxy-result { min-height: 20px; }
.ok-box { background: #dcfce7; color: #166534; padding: 12px 16px; border-radius: 8px; }
.err-box { background: #fee2e2; color: var(--danger); padding: 12px 16px; border-radius: 8px; }
.mail-item { grid-column: 1/-1; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; }
.mail-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mail-from { font-weight: 600; }
.mail-date { color: var(--muted); font-size: 12px; margin-left: auto; }
.mail-subject { margin: 6px 0; font-size: 14px; }
.mail-preview { color: var(--muted); font-size: 13px; line-height: 1.5; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #0f172a; color: #fff; padding: 12px 22px; border-radius: 10px; z-index: 100; font-size: 14px;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }