:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #243349;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --success: #34d399;
  --danger: #f87171;
  --warn: #fbbf24;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* 顶栏 */
.topbar {
  background: linear-gradient(135deg, #0b1220 0%, #1e293b 100%);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 30px; }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: .5px; }
.subtitle { margin: 0; color: var(--muted); font-size: 12px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.badge {
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--border); background: var(--panel);
}
.badge-ok { color: var(--success); border-color: rgba(52,211,153,.4); }
.badge-bad { color: var(--danger); border-color: rgba(248,113,113,.4); }
.badge-unknown { color: var(--muted); }

/* 布局 */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

/* 卡片 */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
}
.card-label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.card-value { font-size: 24px; font-weight: 700; color: var(--primary); }
.card-value.small { font-size: 14px; font-weight: 500; color: var(--text); word-break: break-all; }

/* 工具栏 */
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.spacer { flex: 1; }

.btn {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 14px; font-size: 13px; cursor: pointer;
  transition: all .15s; font-weight: 500;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #062033; font-weight: 600; }
.btn-primary:hover { filter: brightness(1.1); color: #062033; }
.btn-success { background: var(--success); border-color: var(--success); color: #052e1f; font-weight: 600; }
.btn-success:hover { filter: brightness(1.1); color: #052e1f; }
.btn-ghost { background: transparent; }
.btn-close { background: transparent; border: none; color: var(--muted); font-size: 16px; cursor: pointer; }
.btn-close:hover { color: var(--text); }

/* 面板与表格 */
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.panel-head h2 { margin: 0; font-size: 16px; }
.muted { color: var(--muted); }
.hint { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }

.rules { width: 100%; border-collapse: collapse; }
.rules th, .rules td { text-align: left; padding: 12px 18px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.rules th { color: var(--muted); font-size: 12px; font-weight: 600; background: var(--panel-2); }
.rules tr:last-child td { border-bottom: none; }
.rules tbody tr:hover { background: rgba(56,189,248,.05); }
.col-actions { width: 210px; }

.tag {
  display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px;
  background: var(--panel-2); border: 1px solid var(--border); margin: 2px 2px 2px 0;
}
.tag-tls-auto { color: var(--primary); border-color: rgba(56,189,248,.4); }
.tag-dns { color: #c4b5fd; border-color: rgba(167,139,250,.4); }
.tag-wild { color: #6ee7b7; border-color: rgba(52,211,153,.4); }
.dns-panel {
  border: 1px dashed var(--border); border-radius: 10px; padding: 12px;
  background: rgba(139,92,246,.06); display: flex; flex-direction: column; gap: 12px;
}
.tag-tls-internal { color: var(--warn); border-color: rgba(251,191,36,.4); }
.tag-tls-off { color: var(--muted); }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot-on { background: var(--success); }
.dot-off { background: var(--danger); }

.row-actions { display: flex; gap: 6px; }
.row-actions .btn { padding: 4px 10px; font-size: 12px; }

/* 空状态 */
.empty { text-align: center; padding: 48px 20px; }
.empty-icon { font-size: 40px; margin-bottom: 10px; }
.empty p { color: var(--muted); margin: 0 0 14px; }

/* 弹窗 */
dialog {
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0; width: 560px; max-width: 94vw;
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(2, 6, 23, .7); backdrop-filter: blur(2px); }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 14px; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 14px 20px; border-top: 1px solid var(--border);
}

label { display: block; font-size: 13px; font-weight: 600; }
input[type="text"], input[type="password"], input:not([type]), select, textarea {
  width: 100%; margin-top: 6px; padding: 9px 12px;
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; font-size: 13px; font-family: inherit; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.check-row { display: flex; flex-direction: column; gap: 8px; padding-top: 22px; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.check input { width: auto; margin: 0; }
.req { color: var(--danger); }

.token-error { color: var(--danger); font-size: 13px; font-weight: 600; margin: 0; }

.cfg-candidates { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
.cfg-cand { text-align: left; font-size: 12px; word-break: break-all; }
.cfg-cand-active { border-color: var(--success); color: var(--success); }
.cfg-code { color: #a5f3fc; word-break: break-all; }

.wide-modal { width: 920px; }
.logs-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.logs-toolbar select, .logs-toolbar input { width: auto; margin: 0; }
.logs-list {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  max-height: 55vh; overflow: auto; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px;
}
.log-row { display: flex; gap: 10px; padding: 5px 12px; border-bottom: 1px solid rgba(51,65,85,.4); align-items: baseline; }
.log-row:hover { background: rgba(56,189,248,.05); }
.log-ts { color: var(--muted); white-space: nowrap; }
.log-status { font-weight: 700; width: 34px; text-align: center; }
.st-2xx { color: var(--success); }
.st-3xx { color: var(--primary); }
.st-4xx { color: var(--warn); }
.st-5xx { color: var(--danger); }
.log-req { color: var(--text); word-break: break-all; }
.log-host { color: var(--muted); }
.log-ip { color: #fcd34d; }
.log-size { color: var(--muted); }
.log-dur { color: var(--muted); margin-left: auto; white-space: nowrap; }
.log-level { font-weight: 700; width: 46px; }
.lv-error { color: var(--danger); }
.lv-warn { color: var(--warn); }
.lv-info { color: var(--primary); }
.log-msg { color: var(--text); word-break: break-all; }
.log-raw { color: var(--muted); word-break: break-all; }
.log-err { background: rgba(248,113,113,.08); }

.preview, .result {
  margin: 0; padding: 16px 20px; max-height: 50vh; overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; word-break: break-all;
  background: var(--bg); color: #a5f3fc;
}

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 20px; border-radius: 10px; box-shadow: var(--shadow); z-index: 100;
  max-width: 80vw; word-break: break-all;
}
.toast.ok { border-color: rgba(52,211,153,.5); }
.toast.err { border-color: rgba(248,113,113,.5); color: #fecaca; }
.hidden { display: none !important; }

@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .card-wide { grid-column: span 2; }
  .grid-2 { grid-template-columns: 1fr; }
  .rules { display: block; overflow-x: auto; white-space: nowrap; }
}