/* 术数 · 样式（外壳沿用命盘）。冷调月白底、墨色字、靛色焦点；盘面是上游工具的原始文字，等宽排版。
   不加载任何网络字体。 */

:root {
  --bg: #EEF1EC;
  --card: #F7F9F5;
  --field: #FBFCFA;
  --ink: #1B2427;
  --muted: #5F6D70;
  --line: #CDD5CF;
  --focus: #2B4A78;
  --on-focus: #FFFFFF;
  --warn: #A5392A;
  --good: #2F6B3F;
  --tint: rgba(43, 74, 120, 0.08);

  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", serif;
  --sans: system-ui, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11181A;
    --card: #192225;
    --field: #141C1F;
    --ink: #E5ECEA;
    --muted: #9AA9AB;
    --line: #2C383B;
    --focus: #8FB0E6;
    --on-focus: #0E1C2D;
    --warn: #F0907F;
    --good: #7CC28D;
    --tint: rgba(143, 176, 230, 0.12);
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 var(--sans);
  -webkit-text-size-adjust: 100%;
}

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.muted { color: var(--muted); }
.hint { margin: 4px 0 10px; font-size: 0.82rem; color: var(--muted); line-height: 1.5; }
.hint-strong { color: var(--ink); }

/* ---------- 版面 ---------- */

.app { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }

.topbar {
  flex: none;
  padding: 8px 16px;
  padding-top: max(8px, env(safe-area-inset-top));
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.topbar-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.topbar-row + .topbar-row { margin-top: 8px; }
.brand {
  display: flex; align-items: center; gap: 8px; flex: 1 1 auto; margin: 0;
  font: 600 1.2rem/1.2 var(--serif); letter-spacing: 0.04em;
}
.brand-mark { width: 4px; height: 1.1em; background: var(--focus); border-radius: 1px; }
.topbar-tools { display: flex; gap: 8px; }
.profile-select { flex: 1 1 100px; min-width: 0; }
.profilebar .btn { min-height: 34px; padding: 4px 10px; }

.panes {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
}
.pane { min-width: 0; min-height: 0; overflow: auto; }
.pane-chart { padding: 16px; border-right: 1px solid var(--line); }
.pane-chat { display: flex; flex-direction: column; overflow: hidden; }

.mobile-nav {
  display: none; flex: none;
  background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-nav button {
  flex: 1; min-height: 48px; border: 0; border-top: 2px solid transparent;
  background: none; color: var(--muted); font: inherit; cursor: pointer;
}
.mobile-nav button[aria-current="page"] { color: var(--ink); font-weight: 600; border-top-color: var(--focus); }

@media (max-width: 899.98px) {
  .panes { grid-template-columns: minmax(0, 1fr); }
  .pane-chart { border-right: 0; padding: 12px; }
  .panes[data-active="chart"] .pane-chat { display: none; }
  .panes[data-active="chat"] .pane-chart { display: none; }
  .mobile-nav { display: flex; }
  .topbar { padding: 8px 12px; padding-top: max(8px, env(safe-area-inset-top)); }
}

/* ---------- 控件 ---------- */

.ctl {
  font: inherit; color: inherit;
  min-height: 38px; max-width: 100%;
  padding: 6px 10px;
  background: var(--field);
  border: 1px solid var(--line); border-radius: 6px;
}
select.ctl { padding-right: 6px; }
textarea.ctl { resize: none; line-height: 1.5; }
.field .ctl { width: 100%; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 38px; padding: 6px 14px;
  font: inherit; color: var(--ink); text-decoration: none; cursor: pointer;
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
}
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-small { min-height: 32px; padding: 3px 10px; font-size: 0.86rem; }
.btn-primary { background: var(--focus); border-color: var(--focus); color: var(--on-focus); font-weight: 600; }
.btn-primary:hover { border-color: var(--focus); filter: brightness(1.08); }
.btn-quiet { background: transparent; color: var(--muted); }
.btn-danger { color: var(--warn); border-color: var(--warn); }
.link-btn { color: var(--focus); font-size: 0.9rem; }
.file-btn { position: relative; }
.file-btn:focus-within { outline: 2px solid var(--focus); outline-offset: 2px; }

.field { display: flex; flex-direction: column; gap: 4px; margin: 0 0 12px; min-width: 0; border: 0; padding: 0; }
.field-label { font-size: 0.86rem; color: var(--muted); padding: 0; }
.fieldset-inline { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 4px 18px; }
.fieldset-inline .field-label { flex-basis: 100%; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0 12px; }
.choice { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; cursor: pointer; }
.choice input { width: 18px; height: 18px; accent-color: var(--focus); margin: 0; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 10px 0; }
.form-error, .notice {
  margin: 8px 0; padding: 8px 12px; font-size: 0.9rem;
  color: var(--warn); border-left: 3px solid var(--warn); background: var(--tint);
}

.card { max-width: 560px; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
.card-title { margin: 0 0 12px; font: 600 1.1rem var(--serif); }

.adv { margin: 4px 0 12px; }
.adv > summary { cursor: pointer; padding: 6px 0; color: var(--muted); font-size: 0.9rem; }
.adv[open] > summary { margin-bottom: 6px; }

/* ---------- 本命盘区：上游工具的原始文字输出 ---------- */

.chart-engine-note { margin: 0 0 8px; }
.notice-info { color: var(--ink); border-left-color: var(--focus); }
.chart-text { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.chart-block { min-width: 0; }
.sub { margin: 14px 0 6px; font: 600 0.95rem var(--serif); letter-spacing: 0.03em; }
.chart-raw {
  min-width: 0; max-width: 100%; padding: 10px 12px;
  font: 0.84rem/1.55 ui-monospace, "SF Mono", "PingFang SC", "Noto Sans Mono CJK SC", monospace;
  white-space: pre-wrap; overflow-wrap: anywhere;
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
}

/* ---------- 对话区 ---------- */

.chat-tools {
  flex: none; display: flex; justify-content: flex-end; gap: 8px;
  padding: 8px 14px; border-bottom: 1px solid var(--line);
}
.chat-scroll { flex: 1; min-height: 0; overflow: auto; padding: 14px; }
.chat-intro { margin: 0 0 12px; color: var(--muted); max-width: 60ch; }
.quick { display: flex; flex-wrap: wrap; gap: 8px; }
.quick-btn {
  padding: 6px 12px; font: inherit; color: var(--ink); cursor: pointer;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
}
.quick-btn:hover { border-color: var(--focus); }

.messages { display: flex; flex-direction: column; gap: 14px; }
.msg { max-width: 72ch; overflow-wrap: anywhere; }
.msg-user {
  align-self: flex-end; max-width: 92%; padding: 6px 12px; white-space: pre-wrap;
  background: var(--tint); border: 1px solid var(--line); border-radius: 6px;
}
.msg-assistant { align-self: flex-start; width: 100%; }
.msg > :first-child { margin-top: 0; }
.msg > :last-child { margin-bottom: 0; }
.msg-assistant p, .msg-assistant ul, .msg-assistant ol { margin: 0.5em 0; }
.msg-assistant h3, .msg-assistant h4, .msg-assistant h5 { margin: 1em 0 0.3em; font: 600 1rem var(--serif); }
.msg-assistant code { padding: 0 4px; font-size: 0.9em; background: var(--tint); border-radius: 3px; }
.msg-assistant hr { border: 0; border-top: 1px solid var(--line); margin: 1em 0; }
.msg-assistant li { margin: 2px 0; }
.tool-steps { display: flex; flex-direction: column; gap: 4px; margin: 0 0 8px; }
.tool-step { border: 1px solid var(--line); border-radius: 6px; background: var(--card); min-width: 0; }
.tool-step[data-ok="false"] { border-color: var(--warn); }
.tool-step summary {
  cursor: pointer; padding: 5px 10px; font-size: 0.84rem; color: var(--muted);
  overflow-wrap: anywhere; list-style-position: inside;
}
.step-state { color: var(--good); }
.tool-step[data-ok="false"] .step-state { color: var(--warn); }
.step-name { font-family: ui-monospace, "SF Mono", monospace; color: var(--ink); }
.step-args { font-family: ui-monospace, "SF Mono", monospace; font-size: 0.78rem; }
.step-out {
  margin: 0; padding: 8px 10px; max-height: 18rem; overflow: auto;
  font: 0.78rem/1.5 ui-monospace, "SF Mono", "PingFang SC", monospace;
  white-space: pre-wrap; overflow-wrap: anywhere; border-top: 1px solid var(--line);
}
.msg-body > :first-child { margin-top: 0; }
.msg-body > :last-child { margin-bottom: 0; }
.msg-pending .tool-steps:empty { display: none; }
.msg-wait { color: var(--muted); animation: blink 1s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }

.chat-error {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 12px;
  padding: 8px 12px; border-left: 3px solid var(--warn); background: var(--tint);
}
.chat-error-text { margin: 0; flex: 1 1 200px; color: var(--warn); font-size: 0.9rem; overflow-wrap: anywhere; }

.composer {
  flex: none; display: flex; gap: 8px; align-items: flex-end;
  padding: 10px 14px; border-top: 1px solid var(--line); background: var(--card);
}
.composer textarea { flex: 1; min-width: 0; max-height: 160px; }

/* ---------- 署名（Apache-2.0）：宽屏在页脚，窄屏在命盘区底部 ---------- */

.credit { margin: 0; font-size: 0.78rem; color: var(--muted); }
.credit a { color: var(--focus); }
.app-footer { flex: none; padding: 4px 16px; text-align: center; border-top: 1px solid var(--line); background: var(--card); }
.credit-narrow { display: none; margin-top: 16px; }
@media (max-width: 899.98px) {
  .app-footer { display: none; }
  .credit-narrow { display: block; }
}

/* ---------- 对话框 / 提示条 ---------- */

.dlg {
  width: min(560px, calc(100vw - 24px));
  max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px);
  overflow: hidden;
  padding: 0; color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 8px;
}
dialog:not([open]) { display: none; }
.dlg[open] { display: flex; flex-direction: column; }
/* 不支持 showModal 的浏览器：固定居中浮层 + 自绘遮罩（见 src/ui/dialog.js） */
.dlg.dlg-fallback {
  position: fixed; inset: 0; margin: auto; z-index: 100;
  height: fit-content; color: var(--ink);
}
.dlg-backdrop { position: fixed; inset: 0; z-index: 99; background: rgba(10, 18, 20, 0.55); }
.dlg::backdrop { background: rgba(10, 18, 20, 0.55); }
.dlg-small { width: min(400px, calc(100vw - 24px)); }
.toast { z-index: 200; }
.dlg-head { flex: none; display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.dlg-head h2 { margin: 0; font: 600 1.1rem var(--serif); }
/* flex-basis 必须是 auto：对话框高度由内容决定，flex:1（=0%）在 Safari 里会把内容区压成 0 高度（iPhone 13 实拍，2026-10-14）。
   0 1 auto = 先按内容撑开，超过 max-height 才收缩并出现滚动条。 */
.dlg-body { flex: 0 1 auto; min-height: 0; overflow: auto; padding: 4px 16px 8px; }
.dlg-foot { flex: none; display: flex; flex-direction: row-reverse; justify-content: flex-start; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--line); }
.sec { padding: 10px 0; border-bottom: 1px solid var(--line); }
.sec:last-child { border-bottom: 0; }
.sec h3 { margin: 4px 0 8px; font: 600 0.98rem var(--serif); }

.intro p { max-width: 62ch; margin: 0 0 10px; }
.intro strong { font-weight: 700; }
.place-wrap { position: relative; }
.place-list {
  position: absolute; left: 0; right: 0; top: calc(100% + 2px); z-index: 20;
  margin: 0; padding: 4px 0; list-style: none; max-height: 16rem; overflow: auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  box-shadow: 0 6px 18px rgba(10, 18, 20, 0.18);
}
.place-opt { display: flex; flex-direction: column; padding: 6px 10px; cursor: pointer; overflow-wrap: anywhere; }
.place-opt[aria-selected="true"], .place-opt:hover { background: var(--tint); }
.place-label { font-weight: 600; }
.place-detail { font-size: 0.8rem; color: var(--muted); }
.place-info { color: var(--ink); }
.place-status { margin: 4px 0; }
.ic-facts { margin: 8px 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; }
.ic-facts dt { color: var(--muted); font-size: 0.86rem; }
.ic-facts dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.or-card { padding: 12px; margin-bottom: 10px; background: var(--tint); border: 1px solid var(--line); border-radius: 6px; }
.or-badge { display: inline-block; margin-bottom: 4px; padding: 0 8px; font-size: 0.72rem; color: var(--focus); border: 1px solid var(--focus); border-radius: 3px; }
.or-status { margin: 4px 0; font-weight: 600; color: var(--good); }
.test-result { margin: 4px 0 0; font-size: 0.9rem; overflow-wrap: anywhere; }
.test-result.is-good { color: var(--good); }
.test-result.is-bad { color: var(--warn); }

.toast {
  position: fixed; left: 50%; bottom: 72px; transform: translateX(-50%);
  max-width: min(420px, calc(100vw - 32px)); padding: 8px 14px; z-index: 50;
  color: var(--bg); background: var(--ink); border-radius: 6px; font-size: 0.9rem;
}
.noscript { padding: 16px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}