/* Lingzo Mobile — 独立样式，勿引用 frontend/ */
:root {
  --bg: #07070c;
  --surface: #12121a;
  --surface-2: #1a1a26;
  --text: #f2f2f7;
  --muted: #9b9bb0;
  --accent: #7c5cff;
  --accent-2: #ff6b9d;
  --border: rgba(255, 255, 255, 0.08);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

.hidden { display: none !important; }

.m-app {
  max-width: 480px;
  margin: 0 auto;
  padding: calc(12px + var(--safe-t)) 16px calc(80px + var(--safe-b));
}

.m-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.m-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.m-brand img { width: 36px; height: 36px; }

.m-brand strong { font-size: 1.05rem; display: block; }

.m-brand span { font-size: 0.72rem; color: var(--muted); }

.m-header-actions { display: flex; gap: 8px; }

.btn {
  border: none;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 10px 14px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #b44cf0);
  color: #fff;
  width: 100%;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-sm { padding: 8px 12px; font-size: 0.85rem; }

.m-hint {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0 0 16px;
  line-height: 1.45;
}

.m-radar {
  margin-bottom: 14px;
}

.m-radar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.m-radar-head h2 {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.m-radar-meta {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}

.m-radar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.m-radar-item {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.84rem;
}

.m-radar-rank {
  font-weight: 800;
  color: var(--accent);
  font-size: 0.8rem;
}

.m-radar-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.m-radar-title a {
  color: inherit;
  text-decoration: none;
}

.m-radar-tag {
  display: block;
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.m-radar-count {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-2);
  white-space: nowrap;
}

.m-radar-empty {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  padding: 8px;
}

.m-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 14px;
}

.m-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.m-tab {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
}

.m-tab.active {
  background: rgba(124, 92, 255, 0.2);
  border-color: rgba(124, 92, 255, 0.45);
  color: var(--text);
}

.url-input, .file-label {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.file-label {
  display: block;
  text-align: center;
  cursor: pointer;
}

.file-meta {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--muted);
}

.m-loading {
  text-align: center;
  padding: 24px;
  color: var(--muted);
}

.m-loading strong { display: block; color: var(--text); margin-bottom: 6px; }

.m-results h2 { margin: 0 0 8px; font-size: 1.25rem; }

.m-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

.m-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.15);
  color: #c4b5fd;
}

.m-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.m-metric {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 10px;
}

.m-metric .k { font-size: 0.72rem; color: var(--muted); }

.m-metric .v { font-size: 1rem; font-weight: 600; }

.m-prompt {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 12px;
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
  max-height: 160px;
  overflow: auto;
}

.m-upsell {
  font-size: 0.84rem;
  color: var(--muted);
  margin-top: 12px;
  line-height: 1.45;
}

.m-warn {
  color: #fbbf24;
  font-size: 0.82rem;
  margin-top: 10px;
}

.m-toast {
  position: fixed;
  left: 50%;
  bottom: calc(72px + var(--safe-b));
  transform: translateX(-50%);
  background: #1f1f2e;
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  z-index: 200;
  max-width: 90vw;
  text-align: center;
}

.m-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  padding: 8px 12px calc(8px + var(--safe-b));
  background: rgba(7, 7, 12, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 50;
}

.m-nav button {
  flex: 1;
  background: none;
  border: none;
  color: var(--muted);
  font: inherit;
  font-size: 0.78rem;
  padding: 8px 4px;
}

.m-nav button.active { color: var(--accent); }

.m-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: grid;
  place-items: end center;
  z-index: 100;
  padding: 16px;
  padding-bottom: calc(16px + var(--safe-b));
}

.m-modal-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border-radius: 16px 16px 12px 12px;
  padding: 20px;
  border: 1px solid var(--border);
}

.m-modal-card label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin: 10px 0 4px;
}

.m-modal-card input {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}

.m-error { color: #f87171; font-size: 0.82rem; margin-top: 8px; }

.m-footer-link {
  display: block;
  text-align: center;
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--muted);
}

.m-footer-link a { color: var(--accent); }

.m-footer-legal {
  display: block;
  text-align: center;
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--muted);
}

.m-footer-legal a { color: var(--accent); }

.m-auth-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.m-auth-tab {
  flex: 1;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font: inherit;
  font-size: 0.85rem;
}

.m-auth-tab.active {
  background: rgba(124, 92, 255, 0.2);
  border-color: rgba(124, 92, 255, 0.45);
  color: var(--text);
}

.m-auth-terms {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--muted);
  margin-bottom: 10px;
}

.m-auth-terms a { color: var(--accent); }

.m-install-banner {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  margin: calc(-12px - var(--safe-t)) -16px 12px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.22), rgba(255, 107, 157, 0.12));
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}

.m-install-banner span { flex: 1; }

.btn-install {
  background: var(--accent);
  color: #fff;
  padding: 6px 12px;
  font-size: 0.8rem;
  white-space: nowrap;
}

.m-install-dismiss {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  padding: 4px 6px;
  cursor: pointer;
}

.m-install-dialog {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  max-width: 320px;
  width: calc(100% - 32px);
  background: var(--surface);
  color: var(--text);
}

.m-install-dialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
}

.m-install-dialog h3 { margin: 0 0 12px; font-size: 1.05rem; }

.m-install-dialog ol {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--muted);
}

.m-install-dialog strong { color: var(--text); }