/* ============================================================
   From-Zero-to-X 教程生成器 — 主题样式
   ============================================================ */
:root{
  --bg:#f6f7fb;
  --bg-soft:#eef1f8;
  --surface:#ffffff;
  --surface-2:#fafbfe;
  --ink:#161a22;
  --ink-2:#333a47;
  --muted:#6b7385;
  --faint:#98a0b0;
  --line:#e4e8f0;
  --line-2:#d7dce7;
  --accent:#4f46e5;
  --accent-ink:#3730a3;
  --accent-soft:#eef0ff;
  --cyan:#0891b2;
  --cyan-soft:#e6f6fa;
  --ok:#15803d;
  --ok-soft:#e8f7ee;
  --warn:#b45309;
  --warn-soft:#fdf3e4;
  --danger:#c2410c;
  --danger-soft:#fdeee7;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(22,26,34,.05), 0 8px 24px -12px rgba(22,26,34,.18);
  --shadow-lg:0 2px 6px rgba(22,26,34,.06), 0 24px 60px -24px rgba(22,26,34,.28);
  --mono:"JetBrains Mono","Cascadia Code",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-size:15px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent-ink)}
[hidden]{display:none !important}
::selection{background:#dcd9ff}

/* ---------------- 顶栏 ---------------- */
.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;gap:18px;
  padding:12px 24px;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#4f46e5,#0891b2);
  color:#fff;font-family:var(--mono);font-weight:700;font-size:18px;
  display:grid;place-items:center;
  box-shadow:0 6px 16px -8px rgba(79,70,229,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;letter-spacing:.2px}
.brand-text i{font-style:normal;font-size:11.5px;color:var(--muted)}
.topnav{display:flex;gap:6px;margin-left:8px}
.navbtn{
  border:1px solid transparent;background:transparent;cursor:pointer;
  padding:7px 13px;border-radius:999px;color:var(--ink-2);font-size:14px;
  display:inline-flex;align-items:center;gap:6px;transition:.15s;
}
.navbtn:hover{background:var(--bg-soft)}
.navbtn.active{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}
.pill{
  background:var(--accent);color:#fff;border-radius:999px;
  font-size:10.5px;line-height:1;padding:4px 6px;font-weight:700;
}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.model-chip{
  font-family:var(--mono);font-size:11.5px;color:var(--muted);
  border:1px solid var(--line);background:var(--surface-2);
  padding:5px 8px;border-radius:999px;max-width:190px;cursor:pointer;
  appearance:none;-webkit-appearance:none;outline:none;
}
.model-chip:hover{border-color:var(--line-2);color:var(--ink-2)}
.model-chip:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.user-chip{display:flex;align-items:center;gap:8px}
.avatar{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#0891b2,#4f46e5);color:#fff;
  font-size:12px;font-weight:700;overflow:hidden;
}
.avatar img{width:100%;height:100%;object-fit:cover}
.user-name{font-size:13px;color:var(--ink-2);max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------------- 按钮 ---------------- */
.btn{
  border:1px solid var(--line-2);background:var(--surface);
  padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;
  font-size:13.5px;color:var(--ink-2);font-weight:500;
  transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:#c3cad8;background:var(--surface-2);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{
  background:linear-gradient(135deg,#5b52f0,#4338ca);color:#fff;border-color:transparent;
  box-shadow:0 8px 20px -10px rgba(79,70,229,.85);
}
.btn-primary:hover{background:linear-gradient(135deg,#4f46e5,#3730a3);border-color:transparent}
.btn-ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn-ghost:hover{background:var(--bg-soft);border-color:transparent}
.btn-danger{background:var(--danger);color:#fff;border-color:transparent}
.btn-danger:hover{background:#9a3412}
.btn-lg{padding:11px 20px;font-size:15px;border-radius:12px}
.btn-sm{padding:6px 11px;font-size:12.5px}
.btn-block{width:100%;display:block;text-align:center}

.input,.field input{
  width:100%;padding:10px 13px;border:1px solid var(--line-2);
  border-radius:var(--radius-sm);background:var(--surface);outline:none;
  transition:.15s;
}
.input:focus,.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3.5px var(--accent-soft)}

/* ---------------- 视图 ---------------- */
.view{display:none;padding:0 24px 64px}
.view.active{display:block}
.view-wide{max-width:1440px;margin:0 auto}

/* ---------------- 首页 ---------------- */
.hero{max-width:880px;margin:0 auto;padding:56px 0 24px;text-align:center}
.hero-badge{
  display:inline-block;font-size:12.5px;color:var(--accent-ink);
  background:var(--accent-soft);border:1px solid #dcd9ff;
  padding:5px 12px;border-radius:999px;margin-bottom:22px;font-weight:600;
}
.hero h1{
  font-size:clamp(30px,5vw,50px);line-height:1.16;margin:0 0 18px;
  letter-spacing:-.02em;font-weight:800;
  background:linear-gradient(120deg,#161a22 20%,#4338ca 75%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{color:var(--muted);font-size:16px;max-width:640px;margin:0 auto 30px}
.hero-sub b{color:var(--ink-2)}
.hero-form{display:flex;gap:10px;max-width:720px;margin:0 auto}
.hero-form input{
  flex:1;padding:14px 18px;font-size:15.5px;border-radius:12px;
  border:1px solid var(--line-2);background:var(--surface);outline:none;
  box-shadow:var(--shadow);transition:.15s;
}
.hero-form input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.hero-hint{font-size:12.5px;color:var(--faint);margin:12px 0 26px}
.hero-hint b{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  padding:6px 13px;border-radius:999px;font-size:13px;cursor:pointer;transition:.15s;
}
.chip:hover{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft);transform:translateY(-1px)}
.feature-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;margin:56px 0 0;text-align:left;
}
.feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
}
.feature .fi{font-family:var(--mono);font-size:12px;color:var(--accent);font-weight:700}
.feature h3{margin:8px 0 6px;font-size:15.5px}
.feature p{margin:0;font-size:13.5px;color:var(--muted)}

/* ---------------- 需求澄清 ---------------- */
.wizard-wrap{max-width:760px;margin:0 auto;padding:40px 0 20px}
.wizard-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.wizard-progress{display:flex;gap:6px;align-items:center}
.wizard-progress i{
  width:26px;height:5px;border-radius:99px;background:var(--line-2);display:block;transition:.25s;
}
.wizard-progress i.done{background:var(--ok)}
.wizard-progress i.now{background:var(--accent)}
.wizard-title{font-size:26px;margin:0 0 6px;letter-spacing:-.01em}
.wizard-sub{color:var(--muted);margin:0 0 26px;font-size:14px}
.q-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-bottom:16px;animation:rise .3s ease both;
}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.q-card .q-idx{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  color:var(--accent-ink);background:var(--accent-soft);border-radius:999px;padding:3px 10px;margin-bottom:10px;
}
.q-card h3{margin:0 0 4px;font-size:17px}
.q-card .q-help{color:var(--muted);font-size:13px;margin:0 0 16px}
.opts{display:flex;flex-wrap:wrap;gap:9px}
.opt{
  border:1px solid var(--line-2);background:var(--surface);border-radius:var(--radius-sm);
  padding:10px 14px;cursor:pointer;transition:.15s;text-align:left;min-width:120px;
}
.opt:hover{border-color:var(--accent);background:var(--accent-soft)}
.opt.sel{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 2px #dcd9ff inset}
.opt b{display:block;font-size:14px}
.opt span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.opt .rec{color:var(--ok);font-weight:700}
.q-custom{margin-top:12px;display:flex;gap:8px}
.brief-preview{
  background:var(--surface-2);border:1px dashed var(--line-2);border-radius:var(--radius);
  padding:16px 18px;margin-bottom:18px;
}
.brief-preview .bp-title{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.05em;margin-bottom:8px}
.brief-preview .bp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.brief-preview .bp-item{font-size:13.5px}
.brief-preview .bp-item em{font-style:normal;color:var(--muted);display:block;font-size:11.5px}
.brief-preview .bp-item b{font-weight:600}
.wizard-actions{display:flex;gap:12px;align-items:center;margin-top:8px}

/* ---------------- 工作台 ---------------- */
#view-studio{padding:0}
#view-studio.active{display:grid;grid-template-columns:296px minmax(0,1fr);gap:0;min-height:calc(100vh - 59px)}
.studio-side{
  border-right:1px solid var(--line);background:var(--surface-2);
  padding:22px 18px;position:sticky;top:59px;align-self:start;
  max-height:calc(100vh - 59px);overflow-y:auto;
}
.side-block{margin-bottom:22px}
.side-label{
  font-size:11px;font-weight:700;letter-spacing:.07em;color:var(--faint);
  text-transform:uppercase;margin-bottom:9px;display:flex;justify-content:space-between;align-items:center;
}
.side-tech{font-size:15.5px;font-weight:700;line-height:1.4;margin-bottom:10px}
.brief-tags{display:flex;flex-wrap:wrap;gap:5px}
.tag{
  font-size:11.5px;background:var(--surface);border:1px solid var(--line);
  border-radius:6px;padding:3px 8px;color:var(--ink-2);
}
.tag.hi{background:var(--accent-soft);border-color:#dcd9ff;color:var(--accent-ink);font-weight:600}
.bar{height:6px;border-radius:99px;background:var(--bg-soft);overflow:hidden;margin-bottom:8px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,#4f46e5,#0891b2);transition:width .4s ease}
.gen-status{font-size:12.5px;color:var(--muted);line-height:1.5}
.ok{color:var(--ok);font-weight:700}
.toc{display:flex;flex-direction:column;gap:2px;margin:6px 0 20px}
.toc-item{
  display:flex;gap:9px;align-items:flex-start;text-align:left;width:100%;
  border:none;background:transparent;cursor:pointer;padding:7px 9px;border-radius:8px;
  font-size:13px;color:var(--ink-2);line-height:1.45;transition:.12s;
}
.toc-item:hover{background:var(--bg-soft)}
.toc-item.active{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}
.toc-item .tn{
  font-family:var(--mono);font-size:10.5px;color:var(--faint);flex:0 0 auto;
  padding-top:2px;min-width:22px;
}
.toc-item.active .tn{color:var(--accent)}
.toc-item.done .tn{color:var(--ok)}
.toc-item .tt{flex:1;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.side-actions{padding-top:14px;border-top:1px solid var(--line)}
.side-row{display:flex;gap:8px;margin-top:8px}
.side-row .btn{flex:1}
.side-actions .btn-block{margin-bottom:8px}

.studio-main{min-width:0;padding:0 0 80px}
.studio-bar{
  position:sticky;top:59px;z-index:20;
  display:flex;align-items:center;gap:16px;
  padding:14px 32px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.studio-bar-info{min-width:0}
.studio-bar h2{margin:0;font-size:17px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.studio-meta{font-size:12px;color:var(--muted);margin-top:2px}
.studio-bar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.gen-badge{
  font-size:12px;color:var(--accent-ink);background:var(--accent-soft);
  padding:4px 10px;border-radius:999px;font-weight:600;
  animation:pulse 1.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
.doc{padding:28px 32px;max-width:960px}

/* ---------------- 文档排版 ---------------- */
.doc h2{
  font-size:23px;margin:38px 0 16px;padding-bottom:10px;
  border-bottom:2px solid var(--line);letter-spacing:-.01em;scroll-margin-top:120px;
}
.doc h2:first-child{margin-top:8px}
.doc h3{
  font-size:16.5px;margin:26px 0 10px;color:var(--accent-ink);
  display:flex;align-items:center;gap:9px;
}
.doc h3::before{
  content:"";width:4px;height:16px;border-radius:2px;
  background:linear-gradient(180deg,#4f46e5,#0891b2);flex:0 0 auto;
}
.doc h4{font-size:15px;margin:20px 0 8px}
.doc p{margin:10px 0;color:var(--ink-2)}
.doc ul,.doc ol{margin:10px 0;padding-left:24px;color:var(--ink-2)}
.doc li{margin:5px 0}
.doc li::marker{color:var(--faint)}
.doc strong{color:var(--ink);font-weight:650}
.doc hr{border:none;border-top:1px solid var(--line);margin:26px 0}
.doc blockquote{
  margin:14px 0;padding:10px 16px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 8px 8px 0;color:var(--ink-2);
}
.doc blockquote p{margin:4px 0}
.doc a{text-decoration-color:#c3c0f5;text-underline-offset:2px}
.doc a:hover{text-decoration-color:var(--accent)}
.doc code{
  font-family:var(--mono);font-size:.87em;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:5px;padding:1.5px 5px;color:#3f3d9e;
}
.doc pre{
  margin:14px 0;background:#fbfcfe;border:1px solid var(--line);
  border-radius:var(--radius-sm);overflow:auto;position:relative;
}
.doc pre code{
  display:block;background:none;border:none;padding:15px 16px;
  font-size:12.6px;line-height:1.62;color:#1f2430;white-space:pre;
}
.doc pre.ascii code{font-size:12.2px;line-height:1.42;white-space:pre}
.doc pre .cp{
  position:absolute;top:8px;right:8px;font-size:11.5px;padding:3px 9px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.92);border-radius:6px;
  color:var(--muted);cursor:pointer;opacity:0;transition:.15s;
}
.doc pre:hover .cp{opacity:1}
.doc pre .cp:hover{color:var(--accent-ink);border-color:var(--accent)}
.doc table{
  width:100%;border-collapse:collapse;margin:14px 0;font-size:13.5px;
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
  display:block;overflow-x:auto;
}
.doc thead{background:var(--surface-2)}
.doc th,.doc td{padding:9px 13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.doc th{font-weight:650;color:var(--ink);white-space:nowrap}
.doc tbody tr:last-child td{border-bottom:none}
.doc tbody tr:hover{background:#fbfcfe}
.stage-badge{
  font-size:11.5px;padding:2px 9px;border-radius:999px;font-weight:600;border:1px solid;
}
.stage-badge.s1{color:var(--ok);background:var(--ok-soft);border-color:#bfe6cd}
.stage-badge.s2{color:var(--accent-ink);background:var(--accent-soft);border-color:#dcd9ff}
.stage-badge.s3{color:var(--danger);background:var(--danger-soft);border-color:#f6cdb9}
.step-tools{display:flex;gap:8px;margin:18px 0 0;flex-wrap:wrap}
.typing::after{
  content:"▌";color:var(--accent);animation:blink 1s steps(2) infinite;font-weight:400;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.pending-note{
  border:1px dashed var(--line-2);border-radius:var(--radius);padding:22px 18px;
  color:var(--muted);font-size:13.5px;text-align:center;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;
}
.pending-note .hint{font-size:12px;color:var(--faint);flex-basis:100%}
.spinner{
  width:13px;height:13px;border-radius:50%;flex:0 0 auto;
  border:2px solid var(--line-2);border-top-color:var(--accent);
  animation:spin .8s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------------- 教程库 ---------------- */
.library-wrap{max-width:1100px;margin:0 auto;padding:40px 0 20px}
.library-head{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.library-head h2{margin:0;font-size:24px;flex:0 0 auto}
.library-head .input{max-width:300px;margin-left:auto}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.lib-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  transition:.16s;position:relative;
}
.lib-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#dcd9ff}
.lib-card h3{margin:0;font-size:15.5px;line-height:1.4;padding-right:26px}
.lib-card .lc-meta{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.lib-card .lc-tags{display:flex;flex-wrap:wrap;gap:5px}
.lib-card .lc-foot{
  margin-top:auto;padding-top:10px;border-top:1px solid var(--line);
  display:flex;gap:8px;align-items:center;font-size:12px;color:var(--faint);
}
.lib-card .lc-foot .btn{padding:5px 10px;font-size:12px}
.fav-btn{
  position:absolute;top:14px;right:14px;border:none;background:transparent;
  cursor:pointer;font-size:15px;color:var(--faint);line-height:1;padding:4px;
}
.fav-btn.on{color:#eab308}
.empty{
  text-align:center;padding:64px 20px;color:var(--muted);
  border:1px dashed var(--line-2);border-radius:var(--radius);background:var(--surface-2);
}
.empty h3{margin:0 0 8px;color:var(--ink)}
.empty p{margin:0 0 18px;font-size:13.5px}

/* ---------------- 弹窗 / Toast ---------------- */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px}
.modal-mask{position:absolute;inset:0;background:rgba(22,26,34,.42);backdrop-filter:blur(3px)}
.modal-card{
  position:relative;background:var(--surface);border-radius:20px;padding:30px;
  width:100%;max-width:420px;box-shadow:var(--shadow-lg);animation:rise .25s ease both;
}
.modal-x{
  position:absolute;top:14px;right:16px;border:none;background:transparent;
  font-size:22px;color:var(--faint);cursor:pointer;line-height:1;
}
.modal-x:hover{color:var(--ink)}
.modal-title{margin:0 0 6px;font-size:20px}
.modal-sub{margin:0 0 20px;font-size:13px;color:var(--muted)}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field-row{display:flex;gap:8px}
.field-row input{flex:1}
.form-msg{
  font-size:12.5px;border-radius:8px;padding:8px 12px;margin:0 0 14px;
  background:var(--danger-soft);color:var(--danger);
}
.form-msg.ok{background:var(--ok-soft);color:var(--ok)}
.form-msg.info{background:var(--accent-soft);color:var(--accent-ink)}
.modal-foot{font-size:11.5px;color:var(--faint);margin:16px 0 0;text-align:center;line-height:1.6}
.modal-alt{margin:14px 0 0;text-align:center}
.linkbtn{
  border:none;background:none;padding:4px 6px;cursor:pointer;
  color:var(--accent-ink);font-size:13px;text-decoration:underline;
  text-decoration-color:#c3c0f5;text-underline-offset:2px;
}
.linkbtn:hover{text-decoration-color:var(--accent)}
.toast-stack{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:90;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{
  background:#1f2430;color:#fff;font-size:13.5px;padding:10px 18px;border-radius:999px;
  box-shadow:var(--shadow-lg);animation:rise .22s ease both;max-width:90vw;
}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--ok)}

/* ---------------- 响应式 ---------------- */
@media (max-width:960px){
  #view-studio.active{grid-template-columns:1fr}
  .studio-side{
    position:static;max-height:none;border-right:none;border-bottom:1px solid var(--line);
  }
  .toc{max-height:230px;overflow-y:auto}
  .side-actions{position:static}
  .studio-bar{top:59px;padding:12px 18px}
  .doc{padding:20px 18px}
  .view{padding:0 16px 56px}
  #view-studio{padding:0}
}
@media (max-width:640px){
  .topbar{padding:10px 14px;gap:10px}
  .brand-text i{display:none}
  .topnav{margin-left:0}
  .navbtn{padding:6px 10px;font-size:13px}
  .hero{padding:32px 0 16px}
  .hero-form{flex-direction:column}
  .hero-form .btn{width:100%}
  .wizard-head{flex-direction:column;align-items:flex-start;gap:10px}
  .wizard-actions{flex-direction:column;align-items:stretch}
  .library-head{flex-wrap:wrap}
  .library-head .input{max-width:none;margin-left:0;width:100%}
}

/* ---------------- 打印 ---------------- */
@media print{
  .topbar,.studio-side,.studio-bar-right,.toast-stack,.modal{display:none !important}
  #view-studio.active{display:block !important}
  .studio-bar{position:static;border:none;padding:0 0 12px}
  .doc{padding:0;max-width:none}
  .doc pre{page-break-inside:avoid;background:#fafafa}
  body{background:#fff}
  .doc h2{page-break-after:avoid}
}