:root {
  --bg: #f4f7fe;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --card-2: #eef2fb;
  --line: #dce4f4;
  --text: #1c2440;
  --muted: #5f6c8c;
  --accent: #3b74f0;
  --accent-strong: #2f5fd0;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --topbar-bg: rgba(255, 255, 255, 0.88);
  --mask-bg: rgba(15, 23, 42, 0.45);
  --radius: 14px;
  --shadow: 0 8px 24px rgba(23, 43, 99, 0.08);
}

:root[data-theme="dark"] {
  --bg: #0d1220;
  --bg-soft: #121a2e;
  --card: #16203a;
  --card-2: #1b2745;
  --line: #26355c;
  --text: #e8eefc;
  --muted: #8fa0c4;
  --accent: #4f8cff;
  --accent-strong: #3b6fe0;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --topbar-bg: rgba(13, 18, 32, 0.88);
  --mask-bg: rgba(5, 9, 20, 0.7);
  --shadow: 0 8px 30px rgba(3, 8, 24, 0.45);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  transition: background 0.25s ease, color 0.25s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px clamp(14px, 4vw, 32px);
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.logo {
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--card-2);
  padding: 4px;
  object-fit: contain;
  flex: none;
  border: 1px solid var(--line);
}

.brand-text h1 { margin: 0; font-size: clamp(16px, 2.6vw, 20px); font-weight: 700; letter-spacing: 0.5px; }
.brand-text p { margin: 0; font-size: 12px; color: var(--muted); }

.topbar-side { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.chip.ok::before { background: var(--ok); }
.chip.bad::before { background: var(--bad); }
.chip.warn::before { background: var(--warn); }
.chip.loading::before { background: var(--accent); animation: pulse 1.2s infinite; }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(14px, 3vw, 28px);
  display: grid;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(14px, 2.6vw, 22px);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.card-head h2 { margin: 0; font-size: 17px; font-weight: 700; }

.muted { color: var(--muted); font-size: 13px; }
.sm { font-size: 12px; }
.hint { margin-top: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, filter 0.15s ease, background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-strong)); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn.ghost:hover { background: var(--card-2); }
.btn.sm { min-height: 34px; padding: 6px 12px; font-size: 13px; }
.icon-btn { min-width: 38px; }

.log-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 4px;
  border-radius: 50%;
  background: var(--bad);
  vertical-align: middle;
}

input[type="search"], input[type="url"], textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 16px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.2); }
textarea { min-height: 84px; resize: vertical; }

.search-row { display: flex; gap: 10px; }
.search-row input { flex: 1; }

.link-row { display: flex; gap: 10px; margin-top: 10px; }
.link-row input { flex: 1; font-size: 14px; }

.history { margin-top: 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.history-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.history-chips .chip { cursor: pointer; }
.history-chips .chip:hover { border-color: var(--accent); color: var(--text); }

.results { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }

.results li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.results li:hover, .results li:focus-visible { border-color: var(--accent); background: var(--card-2); outline: none; }
.results img { width: 44px; height: 44px; border-radius: 10px; background: var(--card-2); flex: none; object-fit: cover; }
.r-info { flex: 1; min-width: 0; }
.r-name { font-weight: 700; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.r-sub { font-size: 12.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.r-appid { flex: none; }

.empty { margin-top: 14px; color: var(--muted); font-size: 14px; text-align: center; padding: 18px 0; }

.skeleton { pointer-events: none; }
.sk { background: linear-gradient(90deg, var(--card-2) 25%, var(--line) 50%, var(--card-2) 75%); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 8px; }
.sk-icon { width: 44px; height: 44px; flex: none; }
.sk-line { height: 14px; width: 100%; }
.sk-line.short { width: 55%; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.ext-body { display: grid; gap: 10px; }
.ext-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-soft); font-size: 14px; flex-wrap: wrap; }
.ext-note { color: var(--muted); font-size: 13px; word-break: break-all; }
.ext-btns { display: flex; gap: 8px; }
.ext-item-info { flex: 1; min-width: 200px; }
.ext-item-name { font-weight: 700; font-size: 14px; }

.ext-qr { align-items: flex-start; }
.ext-qr-img { width: 132px; height: 132px; border-radius: 10px; border: 1px solid var(--line); background: #fff; flex: none; }
.ext-qr-info { flex: 1; min-width: 200px; display: grid; gap: 8px; justify-items: start; }
.ext-poll-status { font-size: 13px; color: var(--accent); font-weight: 600; }
.ext-qr-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.app-head { display: flex; gap: 16px; align-items: flex-start; }
.app-icon { width: 72px; height: 72px; border-radius: 16px; background: var(--card-2); flex: none; object-fit: cover; }
.app-title { min-width: 0; flex: 1; }
.app-title h2 { margin: 0 0 6px; font-size: clamp(18px, 3vw, 22px); }
.app-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.app-links { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }

.module-grid { display: grid; gap: 14px; grid-template-columns: 1fr; margin-top: 14px; }

.module { display: flex; flex-direction: column; gap: 10px; }
.module header { display: flex; align-items: center; gap: 10px; }
.module .m-ico { font-size: 20px; flex: none; }
.module header h3 { margin: 0; font-size: 15px; }
.module header p { margin: 0; font-size: 12px; color: var(--muted); }
.module header div { flex: 1; min-width: 0; }

.module .val {
  font-size: clamp(15px, 2.4vw, 18px);
  font-weight: 700;
  word-break: break-all;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  min-height: 48px;
  display: flex;
  align-items: center;
}
.mono { font-family: ui-monospace, "Cascadia Code", Consolas, "JetBrains Mono", monospace; letter-spacing: 0.2px; }

.module footer { display: flex; gap: 8px; }

.badge { flex: none; font-size: 11.5px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.badge.ok { color: var(--ok); border-color: rgba(22, 163, 74, 0.4); background: rgba(22, 163, 74, 0.08); }
.badge.bad { color: var(--bad); border-color: rgba(220, 38, 38, 0.4); background: rgba(220, 38, 38, 0.08); }
.badge.busy { color: var(--accent); border-color: rgba(79, 140, 255, 0.4); background: rgba(79, 140, 255, 0.08); }

.grid-2 { display: grid; gap: 14px; grid-template-columns: 1fr; margin-top: 14px; }

.validate-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.validate-list li { display: flex; align-items: flex-start; gap: 10px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-soft); font-size: 13.5px; }
.v-mark { flex: none; width: 20px; text-align: center; font-weight: 700; }
.v-mark.ok { color: var(--ok); }
.v-mark.bad { color: var(--bad); }
.v-body { flex: 1; min-width: 0; }
.v-label { font-weight: 700; }
.v-rule { color: var(--muted); font-size: 12px; }

.shot-box { min-height: 200px; display: grid; place-items: center; border: 1px dashed var(--line); border-radius: 12px; overflow: hidden; background: var(--bg-soft); }
.shot-box img { width: 100%; height: auto; display: block; }
.shot-placeholder { color: var(--muted); font-size: 13.5px; padding: 40px 16px; text-align: center; }

.kv { margin: 0; display: grid; gap: 10px; }
.kv > div { display: grid; grid-template-columns: 84px 1fr; gap: 10px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-soft); }
.kv dt { color: var(--muted); font-size: 13px; }
.kv dd { margin: 0; font-size: 13.5px; word-break: break-all; }

.error-card { border-color: rgba(220, 38, 38, 0.45); }
.err-badge { display: inline-block; padding: 3px 10px; margin-right: 10px; border-radius: 8px; background: rgba(220, 38, 38, 0.12); color: var(--bad); border: 1px solid rgba(220, 38, 38, 0.4); font-size: 12.5px; font-family: ui-monospace, Consolas, monospace; }
.err-cols { display: grid; gap: 12px; grid-template-columns: 1fr; }
.err-cols h4 { margin: 0 0 6px; font-size: 13.5px; color: var(--muted); }
.err-cols ul { margin: 0; padding-left: 18px; font-size: 13.5px; display: grid; gap: 4px; }
.err-detail { margin-top: 10px; word-break: break-all; }
.fallbacks { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }

.log-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; max-height: 46vh; overflow: auto; }
.log-list li { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; color: var(--muted); display: flex; gap: 10px; }
.log-list .t { flex: none; }
.log-list .ok { color: var(--ok); }
.log-list .bad { color: var(--bad); }

.footer { max-width: 1200px; margin: 0 auto; padding: 8px clamp(14px, 4vw, 32px) 28px; font-size: 12.5px; color: var(--muted); text-align: center; }
.footer p { margin: 4px 0; }

.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; }
.modal-mask { position: absolute; inset: 0; background: var(--mask-bg); backdrop-filter: blur(4px); }
.modal-panel { position: relative; width: min(560px, 100%); max-height: 86vh; overflow: auto; }
.modal-panel-wide { width: min(680px, 100%); }
.field { display: grid; gap: 6px; margin-bottom: 10px; }
.field span { font-size: 13.5px; color: var(--muted); }
.modal-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

.toasts { position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 60; display: grid; gap: 8px; width: min(92vw, 420px); }
.toast { padding: 11px 16px; border-radius: 10px; background: var(--card-2); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 13.5px; text-align: center; animation: rise 0.25s ease; }
.toast.ok { border-color: rgba(22, 163, 74, 0.5); }
.toast.bad { border-color: rgba(220, 38, 38, 0.5); }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
@keyframes rise { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

@media (min-width: 721px) {
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .err-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .hide-sm { display: none !important; }
  .chips { display: none; }
}

@media (min-width: 1024px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .module-grid { grid-template-columns: repeat(3, 1fr); }
  .kv > div { grid-template-columns: 100px 1fr; }
}

@media (max-width: 520px) {
  .search-row, .link-row { flex-direction: column; }
  .search-row .btn, .link-row .btn { width: 100%; }
  .app-head { flex-direction: column; }
  .app-icon { width: 64px; height: 64px; }
  .results li { align-items: flex-start; }
  .topbar { padding: 10px 14px; }
  .logo { width: 38px; height: 38px; }
  .ext-qr { flex-direction: column; align-items: center; }
  .ext-qr-info { justify-items: center; text-align: center; }
}