:root {
  --bg: #282a36;
  --panel: #21222c;
  --bar: #15171c;
  --fg: #f8f8f2;
  --muted: #9aa0b5;
  --accent: #50fa7b;
  --cyan: #8be9fd;
  --err: #ff5555;
  --warn: #f1fa8c;
  --line: #343746;
}

* { box-sizing: border-box; }

/* hidden 必须压过 .field{display:flex} 这类类选择器，否则“该藏的没藏” */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

/* ---------- 顶栏 ---------- */
.bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 10px;
  padding-top: calc(8px + env(safe-area-inset-top));
  background: var(--bar);
  border-bottom: 1px solid var(--line);
}

.fname {
  flex: 1 1 130px;
  min-width: 110px;
  height: 40px;
  padding: 0 10px;
  color: var(--fg);
  background: #1c1e26;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: 15px/1 ui-monospace, Menlo, Consolas, monospace;
}

#std {
  height: 40px;
  padding: 0 8px;
  color: var(--fg);
  background: #1c1e26;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
}

button {
  height: 40px;
  padding: 0 14px;
  color: var(--fg);
  background: #2b2e3b;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  -webkit-tap-highlight-color: transparent;
}

button:active { transform: scale(0.97); }

button:disabled { opacity: 0.5; }

button.primary {
  color: #0f1117;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

button.ghost {
  background: transparent;
  color: var(--muted);
  height: 32px;
  padding: 0 10px;
}

/* ---------- 编辑器 ---------- */
#editor-host {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  background: var(--bg);
}

.CodeMirror {
  height: 100%;
  font: 15px/1.55 ui-monospace, Menlo, Consolas, monospace;
}

.CodeMirror-scroll { padding-bottom: 40vh; }

.cm-error-line { background: rgba(255, 85, 85, 0.18) !important; }

/* ---------- 输出面板 ---------- */
#output-panel {
  flex: 0 0 auto;
  height: 38dvh;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}

#output-panel.collapsed { height: 52px; min-height: 52px; overflow: hidden; }

.panel-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--line);
}

.tabs { display: flex; gap: 6px; }

.tab {
  height: 30px;
  padding: 0 12px;
  font-size: 13px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
}

.tab.active {
  color: var(--fg);
  background: #2b2e3b;
  border-color: var(--line);
}

#status {
  flex: 1 1 auto;
  text-align: right;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#status.ok { color: var(--accent); }
#status.err { color: var(--err); }

.pane {
  display: none;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px 12px;
}

.pane.active { display: block; }

pre {
  margin: 0;
  font: 13px/1.5 ui-monospace, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
  color: #d7dae0;
}

pre:empty::after {
  content: "（暂无输出）";
  color: #5b6070;
}

.errors { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }

.error-row {
  display: block;
  width: 100%;
  height: auto;
  text-align: left;
  padding: 8px 10px;
  background: #2a1f26;
  border: 1px solid var(--line);
  border-left: 3px solid var(--err);
  border-radius: 8px;
  font: 14px/1.45 -apple-system, "PingFang SC", sans-serif;
}

.error-row.warn { background: #2a2a1f; border-left-color: var(--warn); }

.error-row .loc {
  display: inline-block;
  margin-right: 8px;
  color: var(--cyan);
  font: 13px/1 ui-monospace, Menlo, monospace;
}

.error-row .msg { color: var(--fg); }

.stdin {
  flex: 0 0 auto;
  border-top: 1px solid var(--line);
  padding: 6px 12px 8px;
}

.stdin summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  padding: 4px 0;
}

#stdin {
  width: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  color: var(--fg);
  background: #1a1b23;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: 13px/1.5 ui-monospace, Menlo, monospace;
  resize: vertical;
}

/* 触屏设备：输入框字号 >= 16px，避免 iPad 聚焦时自动放大页面 */
@media (pointer: coarse) {
  .CodeMirror textarea,
  #stdin,
  .fname { font-size: 16px; }
}

@media (max-width: 700px) {
  .bar { gap: 6px; padding: 6px 8px; }
  button { padding: 0 10px; font-size: 14px; }
  .fname { flex-basis: 100px; }
  #output-panel { height: 42dvh; }
}

/* ---------- 弹窗：登录 / 二次验证 ---------- */
.dlg {
  width: min(560px, calc(100vw - 24px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: var(--fg);
  overflow: auto;
}

.dlg::backdrop { background: rgba(0, 0, 0, 0.62); }

.dlg-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 18px 16px;
}

.dlg-body h2 { margin: 0; font-size: 17px; font-weight: 600; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { color: var(--muted); font-size: 13px; }
.field input {
  height: 44px;
  padding: 0 12px;
  color: var(--fg);
  background: #1c1e26;
  border: 1px solid var(--line);
  border-radius: 10px;
  /* 16px 起步，避免 iPad 聚焦时把页面放大 */
  font: 16px/1 ui-monospace, Menlo, Consolas, monospace;
}
.field input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.hint { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.err { margin: 0; color: var(--err); font-size: 13px; }

.dlg-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.dlg-actions button { min-height: 40px; }
.danger { color: var(--err); border-color: rgba(255, 85, 85, 0.45); }

.qr {
  display: flex;
  justify-content: center;
  padding: 10px;
  background: #fff;
  border-radius: 12px;
}
.qr svg { display: block; width: 200px; height: 200px; }

.secret {
  display: block;
  padding: 10px 12px;
  background: #1c1e26;
  border: 1px dashed var(--line);
  border-radius: 10px;
  font: 14px/1.5 ui-monospace, Menlo, Consolas, monospace;
  word-break: break-all;
  user-select: all;
  -webkit-user-select: all;
}

.codes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.codes code {
  display: block;
  padding: 6px 8px;
  background: #1c1e26;
  border-radius: 8px;
  font: 14px/1.4 ui-monospace, Menlo, Consolas, monospace;
}

@media (max-width: 430px) {
  .codes { grid-template-columns: 1fr; }
}

/* ---------- DZL-C 助手抽屉 ---------- */
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  width: min(420px, 100vw);
  background: var(--panel);
  border-left: 1px solid var(--line);
  box-shadow: -12px 0 32px rgba(0, 0, 0, 0.45);
}

.drawer[hidden] { display: none; }

.drawer-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  padding-top: calc(10px + env(safe-area-inset-top));
  background: var(--bar);
  border-bottom: 1px solid var(--line);
}

.drawer-head strong { font-size: 15px; letter-spacing: 0.4px; }

.check {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
}

.chat-log {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  overflow-y: auto;
}

.msg {
  max-width: 92%;
  padding: 9px 11px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.55;
}

.msg p { margin: 0 0 6px; }
.msg p:last-child { margin-bottom: 0; }

.msg pre {
  margin: 6px 0 0;
  padding: 9px 10px;
  overflow-x: auto;
  background: #15171c;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: 12.5px/1.5 ui-monospace, Menlo, Consolas, monospace;
  white-space: pre;
}

.msg.user { align-self: flex-end; background: #2f4f3a; color: #eafbe9; }
.msg.assistant { align-self: flex-start; background: #2a2c38; }
.msg.system { align-self: center; background: transparent; color: var(--err); font-size: 13px; text-align: center; }

.drawer-foot {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: var(--bar);
  border-top: 1px solid var(--line);
}

#ai-input {
  flex: 1 1 auto;
  min-height: 44px;
  max-height: 130px;
  padding: 10px 12px;
  resize: vertical;
  color: var(--fg);
  background: #1c1e26;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

#ai-input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ---------- 终端（流式输出） ---------- */
#pane-run { padding: 0; overflow: hidden; }
#pane-run.active { display: flex; flex-direction: column; }

#out.term {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  padding: 14px 16px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  color: #d7dde6;
  background:
    radial-gradient(130% 90% at 0% 0%, rgba(61, 220, 132, 0.05), transparent 55%),
    radial-gradient(120% 90% at 100% 0%, rgba(94, 129, 255, 0.05), transparent 55%),
    #0b0e13;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
  font: 13.5px/1.65 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
  word-break: break-word;
  tab-size: 4;
}

#out.term:empty::before {
  content: "点「编译运行」，输出会像终端一样逐行出现";
  color: #5a6472;
}

.term-err { color: #ff7b72; }
.term-note { color: #6c7787; }
.term-in { color: #3ddc84; }

.tty {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #0e1218;
  border-top: 1px solid #1b222c;
}

.tty-prompt {
  color: #3ddc84;
  font: 700 15px/1 ui-monospace, Menlo, Consolas, monospace;
}

.tty-input {
  flex: 1 1 auto;
  height: 38px;
  padding: 0 10px;
  color: #d7dde6;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid #232b36;
  border-radius: 8px;
  /* 16px 起步，iPad 聚焦时不放大页面 */
  font: 16px/1.3 ui-monospace, Menlo, Consolas, monospace;
}

.tty-input:focus {
  outline: none;
  border-color: #3a5a47;
  box-shadow: 0 0 0 2px rgba(61, 220, 132, 0.12);
}

.tty-input:disabled { opacity: 0.5; }

/* ---------- 示例库 ---------- */
.ex-filter {
  height: 38px;
  padding: 0 12px;
  color: var(--fg);
  background: #1c1e26;
  border: 1px solid var(--line);
  border-radius: 9px;
  font: 15px/1 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
.ex-filter:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.ex-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 56dvh;
  overflow: auto;
  margin-top: 4px;
}

.ex-group { margin: 10px 0 2px; color: var(--muted); font-size: 12px; letter-spacing: 0.5px; }

.ex-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 11px;
  text-align: left;
  color: var(--fg);
  background: #1c1e26;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 14px;
  cursor: pointer;
}
.ex-item:hover { border-color: var(--accent); }

.ex-ext { color: var(--muted); font: 12px ui-monospace, Menlo, Consolas, monospace; }