/* Escape Lab —— 样式(零依赖,深浅色自适应 + 手动切换) */

:root {
  --bg: #FAFAF9;
  --card: #FFFFFF;
  --fg: #18181B;
  --muted: #71717A;
  --border: #E7E5E4;
  --border-strong: #D6D3D1;
  --accent: #6366F1;
  --accent-strong: #4F46E5;
  --accent-weak: #EEF2FF;
  --err-bg: #FEF2F2;
  --err-fg: #B91C1C;
  --err-border: #FECACA;
  --note-bg: #F0FDF4;
  --note-fg: #15803D;
  --note-border: #BBF7D0;
  --tk-str: #059669;
  --tk-num: #2563EB;
  --tk-lit: #D97706;
  --tk-key: #7C3AED;
  --shadow: 0 1px 3px rgba(9, 9, 11, .06);
}

[data-theme="dark"] {
  --bg: #0B0B0D;
  --card: #141417;
  --fg: #FAFAFA;
  --muted: #A1A1AA;
  --border: #26262B;
  --border-strong: #3F3F46;
  --accent: #818CF8;
  --accent-strong: #A5B4FC;
  --accent-weak: #1E1B4B;
  --err-bg: #2A1215;
  --err-fg: #FCA5A5;
  --err-border: #572027;
  --note-bg: #0E2A1B;
  --note-fg: #86EFAC;
  --note-border: #1C4A2E;
  --tk-str: #34D399;
  --tk-num: #60A5FA;
  --tk-lit: #FBBF24;
  --tk-key: #A78BFA;
  --shadow: none;
}

* { box-sizing: border-box; }

/* 滚动条跟随主题,避免暗色下突兀的亮色默认滚动条 */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
#output::-webkit-scrollbar, textarea::-webkit-scrollbar { width: 10px; height: 10px; }
#output::-webkit-scrollbar-thumb, textarea::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 5px;
  border: 2px solid var(--card);
}
#output::-webkit-scrollbar-track, textarea::-webkit-scrollbar-track { background: transparent; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

code, pre, textarea, .mono {
  font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", Consolas, "Courier New", monospace;
}

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

/* ---------- 顶栏 ---------- */

.top {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; color: inherit; text-decoration: none; }

a.brand:hover { text-decoration: none; }

.logo {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--accent);
  color: #fff;
  font: 700 15px/40px ui-monospace, Consolas, monospace;
  text-align: center;
  letter-spacing: -1px;
}

.logo-home { display: inline-flex; align-items: center; justify-content: center; }

.brand-site { display: block; color: var(--muted); font-size: 12px; line-height: 1.5; }

.brand h1, h1.brand-tool { font-size: 17.5px; margin: 0; line-height: 1.3; }

.tagline { margin: 0; color: var(--muted); font-size: 12.5px; }

.top-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  font-size: 15px;
  cursor: pointer;
}

.icon-btn:hover { border-color: var(--accent); color: var(--accent-strong); }

/* ---------- 模式与选项 ---------- */

.controls { margin: 18px 0 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow-x: auto;
}

.tabs button {
  border: none;
  background: transparent;
  color: var(--muted);
  font: 600 14px/1 inherit;
  font-family: inherit;
  padding: 8px 14px;
  border-radius: 9px;
  cursor: pointer;
  white-space: nowrap;
}

.tabs button:hover { color: var(--fg); }

.tabs button.active {
  background: var(--accent);
  color: #fff;
}

.opts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  min-height: 38px;
}

.opt-group { display: inline-flex; gap: 14px; align-items: center; }

.opt-group label { display: inline-flex; gap: 6px; align-items: center; font-size: 13.5px; color: var(--fg); cursor: pointer; }

.opt-group select {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--card);
  color: var(--fg);
  padding: 4px 6px;
  font-size: 13.5px;
}

.opt-group input[type="checkbox"] { accent-color: var(--accent); }

.opt-hint { color: var(--muted); font-size: 12.5px; flex: 1 1 260px; min-width: 0; max-width: 100%; }

/* ---------- 输入输出双栏 ---------- */

.panes { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.pane {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pane-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}

.pane-bar b { font-weight: 600; color: var(--muted); font-size: 12px; margin-left: 4px; }

.pane-actions { display: flex; gap: 6px; }

.pane-actions button {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  font: 500 12.5px/1 inherit;
  font-family: inherit;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.pane-actions button:hover { border-color: var(--accent); color: var(--accent-strong); }

.pane-actions button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.pane-actions button.primary:hover { opacity: .9; color: #fff; }

textarea {
  flex: 1;
  min-height: 380px;
  border: none;
  outline: none;
  resize: vertical;
  padding: 16px 16px 14px;
  background: transparent;
  color: var(--fg);
  font-size: 13.5px;
  line-height: 1.6;
  tab-size: 2;
}

#output {
  flex: 1;
  min-height: 380px;
  margin: 0;
  padding: 14px 16px;
  overflow: auto;
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  tab-size: 2;
}

#output.hint { color: var(--muted); }

#output.fail { color: var(--err-fg); }

.pane.has-error { border-color: var(--err-border); }

.pane.has-error .pane-bar { border-bottom-color: var(--err-border); }

.pane-actions button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.pane-actions button:disabled:hover { border-color: var(--border); color: var(--fg); }

.pane-actions button.primary:disabled:hover { border-color: var(--accent); color: #fff; }

/* 语法高亮 */
.tk-key { color: var(--tk-key); }
.tk-str { color: var(--tk-str); }
.tk-num { color: var(--tk-num); }
.tk-lit { color: var(--tk-lit); }

/* ---------- 提示 / 候选 / 错误 ---------- */

.chips { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }

.cand {
  border: 1px solid var(--accent);
  background: var(--accent-weak);
  color: var(--accent-strong);
  font: 500 13px/1.2 ui-monospace, Consolas, monospace;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.cand:hover { opacity: .85; }

.cand.back { background: var(--card); border-color: var(--border-strong); color: var(--muted); }

.notes { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }

.note {
  background: var(--note-bg);
  border: 1px solid var(--note-border);
  color: var(--note-fg);
  border-radius: 9px;
  padding: 6px 12px;
  font-size: 12.5px;
}

.error {
  margin-top: 10px;
  background: var(--err-bg);
  border: 1px solid var(--err-border);
  color: var(--err-fg);
  border-radius: 9px;
  padding: 8px 12px;
  font-size: 13px;
}

/* ---------- 功能说明 ---------- */

.feat {
  margin: 34px 0 26px;
  padding: 22px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.feat h2 { font-size: 17px; margin: 0 0 10px; }

.feat p { color: var(--fg); margin: 0 0 12px; font-size: 14px; }

.feat ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 13.5px; }

.feat li { margin: 6px 0; }

.feat li b { color: var(--fg); }

.feat code {
  background: var(--accent-weak);
  color: var(--accent-strong);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 12.5px;
}

/* ---------- 工具箱主页 ---------- */

.dk-home { margin: 26px 0 8px; }

.dk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 14px;
}

.dk-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 15px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform .12s ease, border-color .12s ease;
}

a.dk-card:hover { transform: translateY(-2px); border-color: var(--accent); text-decoration: none; }

.dk-card.soon { opacity: .78; }
.dk-card.soon:hover { transform: none; border-color: var(--border-strong); }

.dk-card-top { display: flex; align-items: center; gap: 12px; }

.dk-ico {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-weak);
  color: var(--accent-strong);
  font: 700 14px/38px ui-monospace, Consolas, monospace;
  text-align: center;
}

.dk-card h2 { font-size: 15.5px; margin: 0; line-height: 1.35; }

.dk-path { color: var(--accent-strong); font-size: 11.5px; }
.dk-card.soon .dk-path { color: var(--muted); }

.dk-card p { margin: 0; color: var(--muted); font-size: 13.5px; flex: 1; }

.dk-status { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12.5px; }
.dk-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--border-strong); }
.dk-status.on { color: var(--note-fg); }
.dk-status.on .dot { background: #22C55E; }

.dk-more { margin: 16px 2px 0; color: var(--muted); font-size: 13px; }

/* ---------- 页脚 ---------- */

.site-foot {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 20px 20px 84px;
  text-align: center;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  font-size: 13px;
}

.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--accent-strong); }

.dk-nav { margin-bottom: 4px; }

.nav-sep { color: var(--border-strong); }

.credit { margin: 12px 0 4px; color: var(--muted); font-size: 12.5px; }

.icp { color: var(--muted); font-size: 12px; }
.icp:hover { color: var(--accent-strong); }

/* ---------- 响应式 ---------- */

@media (max-width: 860px) {
  .panes { grid-template-columns: 1fr; }
  textarea, #output { min-height: 260px; }
  .controls { align-items: stretch; flex-direction: column; }
  .opt-hint { display: none; }
  .tagline { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

@media print {
  .top, .controls, .pane-actions, .site-foot, .icon-btn { display: none !important; }
}