/* Labnote 工具页通用样式 — 实验室记录本风（4 工具共享）
   配色：米白纸底 #F7F1E6 / 墨水蓝 #1B3A57 / 印章红 #A63A2B / 暖灰 #6B5D4A / 横格线 #D8CBB2
   依赖：home.css（topbar/footer/hero 基础）先加载。 */

:root {
  --paper: #F7F1E6;
  --card: #FCFAF3;
  --card-deep: #EFE6D4;
  --ink: #1B3A57;
  --ink-deep: #10263A;
  --seal: #A63A2B;
  --warm: #6B5D4A;
  --rule: #D8CBB2;
  --muted: #8a7d68;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
  --hand: "Caveat", cursive;
}

* { box-sizing: border-box; }
body.tool-page { background: var(--paper); color: var(--ink-deep); margin: 0; font-family: var(--sans); }

/* ── Hero ── */
.tool-hero { border-top: 4px solid var(--ink-deep); padding: 3rem 0 2.2rem; background: var(--card); border-bottom: 2px solid var(--rule); }
.entry-label { font-family: var(--hand); color: var(--seal); font-size: 1.15rem; letter-spacing: .03em; }
.tool-hero h1 { font-family: var(--serif); font-size: 2.6rem; font-weight: 600; color: var(--ink-deep); margin: .5rem 0 .3rem; line-height: 1.1; }
.tool-hero h1 .h1-fn { display: block; font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 1.35rem; color: var(--warm); margin-top: .4rem; }
.tool-hero .sub { font-size: 1.05rem; color: var(--warm); margin: .6rem 0 1rem; max-width: 60ch; }
.tool-breadcrumb { font-size: .85rem; color: var(--muted); }
.tool-breadcrumb a { color: var(--ink); text-decoration: none; }
.tool-breadcrumb a:hover { text-decoration: underline; }
.tool-crumb-sep { margin: 0 .4rem; color: var(--rule); }

/* ── Section ── */
.section { padding: 2.6rem 0; border-bottom: 1px dashed var(--rule); }
.section-head { display: flex; align-items: baseline; gap: .7rem; margin-bottom: 1.1rem; }
.section-no { font-family: var(--hand); color: var(--seal); font-size: 1.5rem; font-weight: 600; }
.section-title { font-family: var(--serif); font-size: 1.7rem; font-weight: 600; color: var(--ink-deep); margin: 0; }
.section-desc { color: var(--warm); max-width: 70ch; margin: .4rem 0 1.2rem; line-height: 1.6; }

/* ── 流程步骤（How it works）── */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.step { display: flex; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--rule); }
.step:last-child { border-bottom: 1px solid var(--rule); }
.step-no { font-family: var(--hand); color: var(--seal); font-size: 1.3rem; font-weight: 600; min-width: 2.4rem; }
.step-title { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; color: var(--ink-deep); margin: 0 0 .2rem; }
.step-desc { color: var(--warm); margin: 0; font-size: .95rem; line-height: 1.55; }

/* ── 能力点卡片（What it does）── */
.caps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.cap { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 1.1rem 1.2rem; }
.cap-title { font-family: var(--serif); font-size: 1.05rem; font-weight: 600; color: var(--ink-deep); margin: 0 0 .3rem; }
.cap-desc { color: var(--warm); font-size: .92rem; line-height: 1.55; margin: 0; }
.keywords { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.keyword { font-size: .78rem; color: var(--ink); background: var(--card-deep); border: 1px solid var(--rule); border-radius: 999px; padding: .2rem .7rem; }

/* ── 输入表单 ── */
.tool-form { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 1.4rem; max-width: 780px; }
.field { margin-bottom: 1.2rem; }
.label { display: block; font-weight: 600; color: var(--ink-deep); margin-bottom: .4rem; font-size: .92rem; }
.req { color: var(--seal); font-size: .8rem; font-weight: 500; margin-left: .3rem; }
.opt { color: var(--muted); font-size: .8rem; font-weight: 400; margin-left: .3rem; }
.file-row { display: flex; gap: .5rem; margin-bottom: .5rem; flex-wrap: wrap; }
.textarea, .input, .select { width: 100%; background: #fff; border: 1px solid var(--rule); border-radius: 6px; padding: .6rem .7rem; font-family: var(--sans); font-size: .92rem; color: var(--ink-deep); }
.textarea { resize: vertical; min-height: 110px; }
.textarea:focus, .input:focus, .select:focus { outline: 2px solid var(--ink); border-color: var(--ink); }
.hint { font-size: .8rem; color: var(--muted); margin: .4rem 0 0; line-height: 1.5; }

/* ── 按钮 ── */
.btn { display: inline-flex; align-items: center; gap: .4rem; border-radius: 6px; padding: .55rem 1.1rem; font-family: var(--sans); font-size: .92rem; font-weight: 500; cursor: pointer; border: 1px solid transparent; text-decoration: none; transition: transform .05s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--ink-deep); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--card-deep); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.run-actions { display: flex; align-items: center; gap: .8rem; margin-top: .6rem; }
.run-note { font-size: .82rem; color: var(--muted); }

/* ── 进度条 ── */
.progress-head { display: flex; justify-content: space-between; font-size: .9rem; color: var(--warm); margin-bottom: .6rem; }
.progress { list-style: none; padding: 0; margin: 0; }
.progress-step { display: flex; align-items: center; gap: .7rem; padding: .55rem 0; border-top: 1px dashed var(--rule); }
.progress-step .p-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--rule); flex: 0 0 auto; }
.progress-step.active .p-dot { background: var(--seal); }
.progress-step.done .p-dot { background: var(--ink); }
.progress-step .p-name { font-weight: 500; color: var(--ink-deep); font-size: .9rem; }
.progress-step .p-count { margin-left: auto; font-size: .85rem; color: var(--muted); font-family: var(--hand); }

/* ── 结果 ── */
.toolbar { display: flex; flex-wrap: wrap; gap: .8rem; align-items: end; margin-bottom: 1rem; }
.control { display: flex; flex-direction: column; gap: .3rem; }
.control label { font-size: .78rem; color: var(--muted); }
.control .select, .control .input { min-width: 150px; }
.results { display: grid; gap: .8rem; }
.result-card { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 1rem 1.1rem; }
.result-card h4 { font-family: var(--serif); font-size: 1.05rem; margin: 0 0 .3rem; color: var(--ink-deep); }
.result-card .meta { font-size: .82rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: .7rem; }
.badge { font-size: .72rem; padding: .15rem .5rem; border-radius: 999px; background: var(--card-deep); color: var(--ink); border: 1px solid var(--rule); }
.badge.good { background: #e7f0e4; color: #2f5d33; border-color: #b8d3b4; }
.badge.warn { background: #f5ead6; color: #8a6a1d; border-color: #e0c98a; }
.badge.bad { background: #f6e3df; color: var(--seal); border-color: #e0b5ac; }
.empty { color: var(--muted); text-align: center; padding: 2rem; }

/* ── workspace 区块 ── */
.workspace-box { background: var(--card-deep); border: 1px solid var(--rule); border-radius: 10px; padding: 1.4rem; }
.workspace-box h3 { font-family: var(--serif); margin: 0 0 .4rem; color: var(--ink-deep); }
.workspace-box p { color: var(--warm); font-size: .92rem; line-height: 1.6; margin: .3rem 0; }
.workspace-note { font-size: .82rem; color: var(--muted); font-style: italic; }

/* ── toast ── */
.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(120%); background: var(--ink-deep); color: #fff; padding: .7rem 1.3rem; border-radius: 8px; font-size: .9rem; z-index: 999; transition: transform .25s ease; max-width: 90vw; }
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--seal); }

/* ── 响应式 ── */
@media (max-width: 640px) {
  .tool-hero h1 { font-size: 2rem; }
  .tool-hero h1 .h1-fn { font-size: 1.1rem; }
  .caps { grid-template-columns: 1fr; }
}