body{
  font-family:var(--font-sans);
  background:var(--bg);color:var(--fg);
  font-size:13.5px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"cv11","ss01";
  display:flex;flex-direction:column;min-height:100vh;
  overflow:hidden;
}/* ═══ NAV ═════════════════════════════════════════ */
.nav{
  display:flex;align-items:center;gap:20px;
  padding:10px 20px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}.state-switcher{
  display:inline-flex;background:var(--surface-2);border:1px solid var(--border);
  border-radius:8px;padding:2px;font-size:11.5px;font-family:var(--font-mono);
}
.state-switcher button{
  padding:5px 10px;border-radius:6px;border:0;background:transparent;color:var(--muted);
  cursor:pointer;transition:all .12s;
}
.state-switcher button.active{background:var(--surface);color:var(--fg);box-shadow:var(--shadow-sm)}/* ═══ APP LAYOUT ══════════════════════════════════ */
.app{
  flex:1;display:grid;
  grid-template-columns:300px 1fr 1fr;
  min-height:0;overflow:hidden;
}

/* ─── LEFT: settings panel ─── */
.settings{
  background:var(--surface);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  min-height:0;
}
.settings-head{
  padding:14px 16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  background:var(--surface);
  flex-shrink:0;
}
.settings-title{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:0.08em;font-family:var(--font-mono);font-weight:600}
.preset-pill{
  font-size:11px;font-family:var(--font-mono);
  background:var(--accent-soft);color:var(--accent);
  padding:3px 8px;border-radius:4px;font-weight:600;text-transform:uppercase;letter-spacing:0.04em;
}
[data-theme="dark"] .preset-pill{color:oklch(82% 0.16 255)}

.settings-body{
  flex:1;overflow-y:auto;
  scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;
}
.settings-body::-webkit-scrollbar{width:6px}
.settings-body::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}

/* preset row */
.preset-bar{
  padding:14px 16px;border-bottom:1px solid var(--border);
  display:flex;flex-direction:column;gap:8px;
}
.preset-bar-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:0.06em;font-family:var(--font-mono)}
.preset-chips{display:flex;flex-wrap:wrap;gap:4px}
.chip{
  padding:5px 10px;border-radius:5px;
  background:var(--surface-2);border:1px solid var(--border);
  font-size:11.5px;color:var(--muted);cursor:pointer;
  transition:all .12s;font-family:var(--font-sans);
}
.chip:hover{color:var(--fg);border-color:var(--border-strong)}
.chip.active{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}

/* section */
.s-section{border-bottom:1px solid var(--border)}
.s-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;background:transparent;border:0;
  font-size:12.5px;font-weight:600;color:var(--fg);cursor:pointer;
  transition:background .12s;text-align:left;letter-spacing:-0.005em;
}
.s-head:hover{background:var(--surface-2)}
.s-head-left{display:flex;align-items:center;gap:9px}
.s-head .num{
  font-family:var(--font-mono);font-size:10.5px;color:var(--subtle);
  width:20px;font-weight:500;
}
.s-head .chev{
  width:14px;height:14px;color:var(--muted);transition:transform .15s;
}
.s-section.open .chev{transform:rotate(90deg)}
.s-body{display:none;padding:4px 16px 14px;flex-direction:column;gap:10px}
.s-section.open .s-body{display:flex}

/* coming-soon sections: dim body, neutralize interactions, label header */
.s-section[data-coming-soon] .s-body{opacity:.55;pointer-events:none;filter:saturate(.6)}
.s-section[data-coming-soon] .toggle,
.s-section[data-coming-soon] .input{cursor:not-allowed}
/* coming-soon at the individual field/row level */
.field[data-coming-soon],
.toggle-row[data-coming-soon]{opacity:.55;pointer-events:none;filter:saturate(.6)}
.field[data-coming-soon] .badge-soon,
.toggle-row[data-coming-soon] .badge-soon{margin-left:6px}
.badge-soon{
  display:inline-block;padding:1px 7px;border-radius:999px;
  background:var(--surface-2);color:var(--muted);
  font-size:9.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--border);
}

/* field row */
.field{display:flex;flex-direction:column;gap:5px}
.field-label{
  display:flex;align-items:center;justify-content:space-between;gap:6px;
  font-size:12px;color:var(--muted);
}
.field-label .help{
  width:13px;height:13px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--border);
  color:var(--muted);font-size:9px;font-weight:600;font-family:var(--font-mono);
  display:inline-grid;place-items:center;cursor:help;
  position:relative;
}
.field-label .help:hover{color:var(--fg);border-color:var(--border-strong)}
.tooltip{
  position:absolute;bottom:calc(100% + 6px);right:-6px;
  background:var(--fg);color:var(--bg);
  padding:6px 10px;border-radius:6px;
  font-size:11px;font-weight:400;line-height:1.4;
  width:200px;text-align:left;
  opacity:0;pointer-events:none;
  transition:opacity .15s;
  z-index:30;box-shadow:var(--shadow-lg);
  white-space:normal;
}
.tooltip::after{
  content:'';position:absolute;top:100%;right:9px;
  border:5px solid transparent;border-top-color:var(--fg);
}
.help:hover .tooltip{opacity:1}

.input,.select{
  background:var(--surface);
  border:1px solid var(--border);border-radius:6px;
  padding:6px 9px;font:inherit;font-size:12.5px;color:var(--fg);
  transition:border-color .12s, box-shadow .12s;
  font-family:var(--font-sans);
  width:100%;
}
.input:focus,.select:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.input.mono{font-family:var(--font-mono);font-size:12px}
.select{
  appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat:no-repeat;background-position:right 9px center;padding-right:26px;
  cursor:pointer;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.field-row-4{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}

/* toggle row */
.toggle-row{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;
  padding:2px 0;
}
.toggle-row .help{
  width:13px;height:13px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--border);
  color:var(--muted);font-size:9px;font-weight:600;font-family:var(--font-mono);
  display:inline-grid;place-items:center;cursor:help;position:relative;
  margin-left:6px;
}
.toggle-row-label{display:flex;align-items:center}
.toggle{
  width:30px;height:18px;border-radius:9px;background:var(--border-strong);
  position:relative;cursor:pointer;transition:background .15s;
  border:0;flex-shrink:0;
}
.toggle::after{
  content:'';position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;
  background:white;transition:left .15s;box-shadow:0 1px 2px rgba(0,0,0,0.2);
}.toggle.on::after{left:14px}

/* segmented */
.seg{
  display:inline-flex;background:var(--surface-2);
  border:1px solid var(--border);border-radius:6px;padding:2px;
  font-size:11.5px;width:100%;
}
.seg button{
  flex:1;padding:5px 8px;border-radius:4px;border:0;background:transparent;
  color:var(--muted);cursor:pointer;transition:all .12s;font-family:inherit;
}
.seg button.active{background:var(--surface);color:var(--fg);box-shadow:var(--shadow-sm)}

/* margin grid */
.margin-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:6px;
}
.margin-grid .field-label{font-size:10.5px;text-transform:uppercase;letter-spacing:0.04em}

/* settings footer */
.settings-foot{
  padding:12px 16px;border-top:1px solid var(--border);
  background:var(--surface-2);flex-shrink:0;
  display:flex;flex-direction:column;gap:8px;
}
.foot-row{
  display:flex;align-items:center;justify-content:space-between;
  font-size:11.5px;color:var(--muted);font-family:var(--font-mono);
}
.foot-row .val{color:var(--fg)}

/* ═══ CENTER: input ═════════════════════════════ */
.input-pane{
  background:var(--bg);
  display:flex;flex-direction:column;
  min-width:0;min-height:0;
  border-right:1px solid var(--border);
}
.pane-head{
  padding:10px 16px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  background:var(--surface);flex-shrink:0;
}
.input-tabs{display:flex;gap:0;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}
.input-tab{
  padding:11px 18px;color:var(--muted);font-size:13px;font-weight:500;
  border:0;background:transparent;cursor:pointer;
  border-bottom:2px solid transparent;margin-bottom:-1px;
  display:flex;align-items:center;gap:8px;
  transition:color .12s;
}
.input-tab:hover{color:var(--fg)}
.input-tab.active{color:var(--fg);border-color:var(--accent)}
.input-tab svg{width:14px;height:14px}
.input-tab .count{
  margin-left:4px;background:var(--surface-2);color:var(--muted);
  padding:1px 7px;border-radius:10px;font-size:10.5px;font-family:var(--font-mono);
  font-weight:500;
}
.input-tab.active .count{background:var(--accent-soft);color:var(--accent)}
[data-theme="dark"] .input-tab.active .count{color:oklch(82% 0.16 255)}

/* tab panes */
.tab-pane{display:none;flex:1;min-height:0;flex-direction:column}
.tab-pane.active{display:flex}

/* upload pane */
.upload-zone{
  margin:16px;padding:32px;
  border:1.5px dashed var(--border-strong);border-radius:12px;
  background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  text-align:center;cursor:pointer;
  transition:all .15s;
}
.upload-zone:hover{border-color:var(--accent);background:var(--accent-soft)}
.upload-icon{
  width:42px;height:42px;border-radius:10px;
  background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;
}
[data-theme="dark"] .upload-icon{color:oklch(82% 0.16 255)}
.upload-icon svg{width:20px;height:20px}
.upload-zone h3{margin:0;font-size:15px;font-weight:600;letter-spacing:-0.01em}
.upload-zone p{margin:0;font-size:12.5px;color:var(--muted)}
.upload-formats{
  display:flex;gap:6px;margin-top:4px;flex-wrap:wrap;justify-content:center;
}
.format-tag{
  font-family:var(--font-mono);font-size:10px;
  padding:2px 6px;border-radius:3px;
  background:var(--surface-2);color:var(--muted);
  border:1px solid var(--border);
}

/* file list */
.file-list{
  margin:0 16px 16px;
  border:1px solid var(--border);border-radius:10px;
  background:var(--surface);overflow:hidden;
}
.file-list-head{
  padding:9px 14px;background:var(--surface-2);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  font-size:11.5px;color:var(--muted);font-family:var(--font-mono);
  text-transform:uppercase;letter-spacing:0.06em;
}
.file-row{
  padding:10px 14px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
  transition:background .12s;
}
.file-row:last-child{border-bottom:0}
.file-row:hover{background:var(--surface-2)}
.file-row.dragging{opacity:0.5}
.file-drag{
  cursor:grab;color:var(--subtle);
}
.file-drag:active{cursor:grabbing}
.file-drag svg{width:12px;height:12px;display:block}
.file-icon{
  width:30px;height:30px;border-radius:6px;
  background:var(--surface-2);border:1px solid var(--border);
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:9px;font-weight:600;
  color:var(--muted);text-transform:uppercase;flex-shrink:0;
}
.file-icon.html{color:oklch(50% 0.18 25);background:var(--danger-soft);border-color:var(--danger-soft)}
.file-icon.css{color:oklch(48% 0.16 220);background:oklch(95% 0.04 220);border-color:oklch(95% 0.04 220)}
.file-icon.js{color:oklch(55% 0.16 80);background:var(--warn-soft);border-color:var(--warn-soft)}
.file-icon.img{color:oklch(50% 0.14 145);background:var(--success-soft);border-color:var(--success-soft)}
.file-icon.font{color:oklch(50% 0.18 280);background:oklch(95% 0.04 280);border-color:oklch(95% 0.04 280)}
[data-theme="dark"] .file-icon.html{color:oklch(78% 0.18 25)}
[data-theme="dark"] .file-icon.css{color:oklch(78% 0.16 220);background:oklch(28% 0.06 220);border-color:oklch(28% 0.06 220)}
[data-theme="dark"] .file-icon.js{color:oklch(82% 0.16 80)}
[data-theme="dark"] .file-icon.img{color:oklch(78% 0.16 145)}
[data-theme="dark"] .file-icon.font{color:oklch(78% 0.18 280);background:oklch(28% 0.06 280);border-color:oklch(28% 0.06 280)}
.file-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
.file-name{
  font-size:13px;color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.file-name.entry::after{
  content:'entry';margin-left:8px;font-size:9.5px;
  background:var(--accent-soft);color:var(--accent);
  padding:1px 6px;border-radius:3px;font-family:var(--font-mono);font-weight:600;
  text-transform:uppercase;letter-spacing:0.04em;
}
[data-theme="dark"] .file-name.entry::after{color:oklch(82% 0.16 255)}
.file-meta{font-size:11px;color:var(--subtle);font-family:var(--font-mono)}
.file-actions{display:flex;gap:4px;opacity:0;transition:opacity .12s}
.file-row:hover .file-actions{opacity:1}
.file-action{
  width:24px;height:24px;border-radius:5px;border:0;background:transparent;
  color:var(--muted);cursor:pointer;display:grid;place-items:center;
}
.file-action:hover{background:var(--surface-3);color:var(--fg)}
.file-action.remove:hover{background:var(--danger-soft);color:var(--danger)}
.file-action svg{width:13px;height:13px}

/* editor pane */
.editor-wrap{flex:1;min-height:0;display:flex;flex-direction:column;background:var(--code-bg)}
.editor-toolbar{
  display:flex;align-items:center;gap:12px;
  padding:8px 16px;border-bottom:1px solid var(--border);
  background:var(--surface);flex-shrink:0;
  font-size:12px;
}
.editor-toolbar .crumb{font-family:var(--font-mono);font-size:11.5px;color:var(--muted)}
.editor-toolbar .crumb .sep{color:var(--subtle);margin:0 6px}
.editor-toolbar .crumb .file{color:var(--fg)}
.editor-toolbar .spacer{flex:1}
.editor-toolbar .meta{font-family:var(--font-mono);font-size:11px;color:var(--subtle);display:flex;gap:14px}

.editor{
  flex:1;display:flex;min-height:0;overflow:hidden;
  font-family:var(--font-mono);font-size:12.5px;line-height:1.7;
  background:var(--code-bg);
}
.editor-input{
  flex:1;
  width:100%;
  padding:14px 18px 18px;
  border:0;
  background:transparent;
  color:var(--fg);
  font:inherit;
  line-height:inherit;
  resize:none;
  outline:none;
  white-space:pre;
  tab-size:2;
  overflow:auto;
  scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;
}
.editor-input::-webkit-scrollbar{width:8px;height:8px}
.editor-input::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}
.editor-inner{padding:14px 0;min-width:max-content}
.eline{display:flex;padding:0 18px 0 0}
.eline:hover{background:var(--surface-2)}
.elnum{
  user-select:none;color:var(--subtle);text-align:right;
  min-width:48px;padding:0 14px 0 12px;
  font-variant-numeric:tabular-nums;
}
.eline.has-warn .elnum{color:var(--warn);font-weight:600}
.ecode{white-space:pre;flex:1}
.tok-tag{color:var(--tok-tag)}
.tok-attr{color:var(--tok-attr)}
.tok-str{color:var(--tok-str)}
.tok-num{color:var(--tok-num)}
.tok-com{color:var(--tok-com);font-style:italic}
.tok-punc{color:var(--muted)}

/* URL pane */
.url-pane{padding:24px 16px;display:flex;flex-direction:column;gap:20px}
.url-card{
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  padding:20px;display:flex;flex-direction:column;gap:14px;
}
.url-card-title{font-size:14px;font-weight:600;margin:0;letter-spacing:-0.01em}
.url-field-wrap{position:relative}
.url-field-icon{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;color:var(--muted);
}
.url-field-input{
  width:100%;padding:11px 13px 11px 36px;
  border:1px solid var(--border);border-radius:8px;
  background:var(--surface-2);font-family:var(--font-mono);font-size:13px;
  color:var(--fg);
}
.url-field-input:focus{
  outline:none;border-color:var(--accent);background:var(--surface);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.url-status{
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:6px;
  background:var(--success-soft);color:var(--success);
  font-size:12px;font-family:var(--font-mono);
}
.url-status.err{background:var(--danger-soft);color:var(--danger)}
.url-status svg{width:13px;height:13px}

/* ═══ RIGHT: preview ═══════════════════════════ */
.preview-pane{
  background:var(--surface-2);
  display:flex;flex-direction:column;
  min-width:0;min-height:0;
}
.preview-tabs{
  display:flex;gap:0;background:var(--surface);
  border-bottom:1px solid var(--border);
  padding:0 4px;flex-shrink:0;
}
.preview-tab{
  padding:11px 14px;color:var(--muted);font-size:13px;font-weight:500;
  border:0;background:transparent;cursor:pointer;
  border-bottom:2px solid transparent;margin-bottom:-1px;
  display:flex;align-items:center;gap:8px;
}
.preview-tab:hover{color:var(--fg)}
.preview-tab.active{color:var(--fg);border-color:var(--accent)}
.preview-tab .status-dot{
  width:6px;height:6px;border-radius:50%;background:var(--subtle);
}
.preview-tab.active .status-dot{background:var(--success)}
.preview-spacer{flex:1}
.preview-toolbar{
  display:flex;align-items:center;gap:6px;padding:7px 12px;
}
.zoom-control{
  display:inline-flex;align-items:center;background:var(--surface-2);
  border:1px solid var(--border);border-radius:6px;
  font-family:var(--font-mono);font-size:11.5px;
}
.zoom-control button{
  width:24px;height:24px;border:0;background:transparent;
  color:var(--muted);cursor:pointer;display:grid;place-items:center;
}
.zoom-control button:hover{color:var(--fg)}
.zoom-control .val{padding:0 6px;color:var(--fg);min-width:42px;text-align:center}

.preview-body{
  flex:1;min-height:0;position:relative;overflow:hidden;
}
.preview-canvas{
  position:absolute;inset:0;
  overflow:auto;
  padding:24px;
  scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;
}
.preview-canvas::-webkit-scrollbar{width:8px;height:8px}
.preview-canvas::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}

.html-preview-frame{
  flex:1;width:100%;border:0;background:#fff;
  display:block;
}
.html-preview-empty{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;padding:32px;text-align:center;
}
.html-preview-empty h3{margin:0;font-size:15px;font-weight:600}
.html-preview-empty p{margin:0;font-size:13px;color:var(--muted);max-width:380px;line-height:1.5}
.html-preview-notice{
  flex:0 0 auto;display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;font-size:14px;line-height:1.5;
  background:oklch(96% 0.03 90);color:oklch(35% 0.08 60);
  border-bottom:1px solid oklch(88% 0.05 90);
}
.html-preview-notice[hidden]{display:none !important}
.html-preview-notice svg{flex:0 0 auto;width:18px;height:18px;margin-top:2px}

.prev-panel{position:absolute;inset:0;display:flex;flex-direction:column}
.prev-panel[hidden]{display:none !important}
.html-preview-frame[hidden],
.html-preview-empty[hidden]{display:none !important}

.snackbar-host{
  position:fixed;left:50%;bottom:80px;transform:translateX(-50%);
  display:flex;flex-direction:column;gap:8px;
  z-index:9999;pointer-events:none;
}
.snackbar{
  pointer-events:auto;
  min-width:260px;max-width:480px;
  padding:12px 16px;
  border-radius:8px;
  background:oklch(22% 0.02 250);color:#fff;
  box-shadow:0 8px 24px rgba(0,0,0,0.18);
  font-size:13px;line-height:1.45;
  display:flex;align-items:flex-start;gap:10px;
  opacity:0;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease;
}
.snackbar.show{opacity:1;transform:translateY(0)}
.snackbar.warn{background:oklch(45% 0.13 60)}
.snackbar.err{background:oklch(45% 0.18 25)}
.snackbar.ok{background:oklch(40% 0.13 150)}
.snackbar .snackbar-icon{flex:0 0 auto;margin-top:1px}
.snackbar .snackbar-icon svg{width:16px;height:16px;display:block}
.snackbar .snackbar-msg{flex:1 1 auto}
.snackbar .snackbar-close{
  flex:0 0 auto;background:transparent;border:0;color:inherit;
  opacity:.7;cursor:pointer;padding:0;margin-left:6px;
  display:grid;place-items:center;
}
.snackbar .snackbar-close:hover{opacity:1}

.preview-results{
  padding:0 16px 24px;
}
.preview-panel{display:none}
.preview-panel.active{display:block}
.preview-note{
  display:none;
  width:min(100%, 860px);
  margin:0 auto 12px;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--surface);
  color:var(--muted);
  font-size:12px;
  line-height:1.45;
}
.preview-note.active{display:block}
.preview-frame-shell{
  width:min(100%, 860px);
  min-height:1120px;
  margin:0 auto;
  background:white;
  box-shadow:var(--shadow-lg);
  border-radius:2px;
  overflow:hidden;
  transform-origin:top center;
}
.preview-frame{
  display:block;
  width:100%;
  min-height:1120px;
  border:0;
  background:white;
}
.preview-frame.pdf{height:1120px}

.preview-page{
  background:white;
  width:560px;min-height:790px;margin:0 auto;
  box-shadow:var(--shadow-lg);
  border-radius:2px;
  padding:60px 64px;
  font-family:'Georgia',serif;color:#1a1a1a;
  position:relative;
  font-size:12px;line-height:1.55;
}
.preview-page .doc-head{
  display:flex;justify-content:space-between;align-items:flex-start;
  padding-bottom:24px;border-bottom:2px solid #1a1a1a;margin-bottom:32px;
}
.preview-page .doc-title{
  font-family:'Inter',sans-serif;font-size:24px;font-weight:600;letter-spacing:-0.02em;margin:0 0 4px;
}
.preview-page .doc-sub{font-family:'Inter',sans-serif;font-size:11px;color:#666;text-transform:uppercase;letter-spacing:0.08em}
.preview-page .doc-num{font-family:'JetBrains Mono',monospace;font-size:11px;color:#666;text-align:right}
.preview-page .doc-num strong{display:block;color:#1a1a1a;font-size:14px;margin-top:2px}
.preview-page .doc-meta{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:28px;font-family:'Inter',sans-serif;
}
.preview-page .doc-meta h4{font-size:9.5px;color:#888;text-transform:uppercase;letter-spacing:0.08em;margin:0 0 6px;font-weight:600}
.preview-page .doc-meta p{margin:0;font-size:11.5px;color:#333;line-height:1.5}
.preview-page table{width:100%;border-collapse:collapse;font-family:'Inter',sans-serif;font-size:11px;margin-bottom:24px}
.preview-page table th{
  text-align:left;padding:8px 0;border-bottom:1px solid #1a1a1a;
  font-size:9.5px;text-transform:uppercase;letter-spacing:0.08em;color:#555;font-weight:600;
}
.preview-page table th.right,.preview-page table td.right{text-align:right;font-variant-numeric:tabular-nums;font-family:'JetBrains Mono',monospace}
.preview-page table td{padding:9px 0;border-bottom:1px solid #eee;color:#1a1a1a}
.preview-page table td.desc{padding-right:12px}
.preview-page table td.muted{color:#888;font-size:10.5px}
.preview-page .totals{
  display:flex;justify-content:flex-end;margin-top:16px;
}
.preview-page .totals-table{width:240px;font-family:'Inter',sans-serif;font-size:11.5px}
.preview-page .totals-table .row{display:flex;justify-content:space-between;padding:5px 0}
.preview-page .totals-table .row.total{border-top:2px solid #1a1a1a;margin-top:6px;padding-top:10px;font-weight:600;font-size:14px}
.preview-page .totals-table .num{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums}
.preview-page .doc-foot{
  margin-top:48px;padding-top:18px;border-top:1px solid #ddd;
  font-family:'Inter',sans-serif;font-size:9.5px;color:#888;
  display:flex;justify-content:space-between;
}
.preview-page-num{
  position:absolute;bottom:14px;right:64px;
  font-family:'JetBrains Mono',monospace;font-size:9px;color:#aaa;
}

/* ─── empty state ─── */
.state-empty{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:40px;text-align:center;
}
.state-empty-icon{
  width:56px;height:56px;border-radius:14px;
  background:var(--surface);border:1px solid var(--border);
  display:grid;place-items:center;color:var(--muted);
  box-shadow:var(--shadow-sm);
}
.state-empty-icon svg{width:24px;height:24px}
.state-empty h3{margin:0;font-size:15px;font-weight:600;letter-spacing:-0.01em}
.state-empty p{margin:0;font-size:13px;color:var(--muted);max-width:320px;line-height:1.5}
.state-empty p strong{color:var(--text);font-weight:600}
.state-empty-hint{font-size:12px !important;color:var(--muted-2,var(--muted)) !important;margin-top:4px !important}

/* ─── converting state ─── */
.state-converting{
  position:absolute;inset:0;
  display:flex;flex-direction:column;
  background:var(--surface);
}
.convert-progress{
  padding:24px;border-bottom:1px solid var(--border);
  display:flex;flex-direction:column;gap:14px;
}
.progress-head{display:flex;align-items:center;justify-content:space-between}
.progress-title{font-size:14px;font-weight:600;letter-spacing:-0.01em;display:flex;align-items:center;gap:10px}
.progress-spinner{
  width:14px;height:14px;border:2px solid var(--accent);border-top-color:transparent;
  border-radius:50%;animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.icon-btn.spinning svg{animation:spin .8s linear infinite;transform-origin:50% 50%}
.progress-time{font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.progress-bar{
  height:5px;background:var(--surface-2);border-radius:3px;overflow:hidden;
  position:relative;
}
.progress-fill{
  height:100%;background:var(--accent);border-radius:3px;
  transition:width .4s cubic-bezier(.4,0,.2,1);
}
.progress-stages{
  display:flex;flex-direction:column;gap:2px;font-family:var(--font-mono);font-size:11.5px;
}
.stage{
  display:flex;align-items:center;gap:10px;padding:5px 0;color:var(--subtle);
}
.stage.done{color:var(--muted)}
.stage.done .stage-icon{color:var(--success);background:var(--success-soft);border-color:var(--success-soft)}
.stage.active{color:var(--fg)}
.stage.active .stage-icon{color:var(--accent);background:var(--accent-soft);border-color:var(--accent-soft);animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.stage-icon{
  width:18px;height:18px;border-radius:50%;border:1px solid var(--border);
  background:var(--surface-2);color:var(--subtle);
  display:grid;place-items:center;flex-shrink:0;
}
.stage-icon svg{width:9px;height:9px}
.stage-label{flex:1}
.stage-time{color:var(--subtle);font-size:10.5px}

.log-stream{
  flex:1;min-height:0;overflow-y:auto;
  background:var(--code-bg);
  padding:12px 16px;
  font-family:var(--font-mono);font-size:11.5px;line-height:1.65;
  scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;
}
.log-stream::-webkit-scrollbar{width:6px}
.log-stream::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
.log-line{display:flex;gap:10px;color:var(--muted)}
.log-time{color:var(--subtle);flex-shrink:0}
.log-level{font-weight:600;text-transform:uppercase;font-size:9.5px;letter-spacing:0.04em;padding-top:1px;width:36px;flex-shrink:0}[data-theme="dark"] .log-level.info{color:oklch(82% 0.16 255)}.log-msg{color:var(--fg)}

/* ─── complete state ─── */
.complete-banner{
  margin:16px;padding:14px 18px;
  background:var(--success-soft);border:1px solid var(--success);border-radius:10px;
  display:flex;align-items:center;gap:12px;
}
.complete-banner-icon{
  width:32px;height:32px;border-radius:50%;background:var(--success);color:white;
  display:grid;place-items:center;flex-shrink:0;
}
.complete-banner-icon svg{width:16px;height:16px}
.complete-banner-text{flex:1}
.complete-banner-title{font-size:13px;font-weight:600;color:var(--fg);margin-bottom:2px}
.complete-banner-sub{font-size:11.5px;color:var(--muted);font-family:var(--font-mono)}
.complete-actions{display:flex;gap:6px}

.result-meta{
  margin:0 16px 16px;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  overflow:hidden;
}
.result-cell{
  padding:12px 14px;border-right:1px solid var(--border);
}
.result-cell:last-child{border-right:0}
.result-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:0.06em;font-family:var(--font-mono);margin-bottom:3px}
.result-value{font-family:var(--font-mono);font-size:14px;font-weight:600;color:var(--fg);font-variant-numeric:tabular-nums}

/* ═══ BOTTOM BAR ════════════════════════════════ */
.action-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 20px;background:var(--surface);
  border-top:1px solid var(--border);flex-shrink:0;
}
.action-status{
  display:flex;align-items:center;gap:10px;
  font-size:12px;color:var(--muted);font-family:var(--font-mono);
}
.action-status .dot{width:7px;height:7px;border-radius:50%;background:var(--success)}
.action-status .dot.warn{background:var(--warn)}
.action-status .dot.err{background:var(--danger)}
.action-buttons{display:flex;gap:8px;align-items:center}.btn:disabled{opacity:0.45;cursor:not-allowed}.btn-primary:hover:not(:disabled){background:color-mix(in oklch, var(--accent) 88%, black);box-shadow:0 4px 12px color-mix(in oklch, var(--accent) 40%, transparent)}
.btn-primary:disabled{background:var(--border-strong);border-color:var(--border-strong);color:var(--muted);box-shadow:none}/* mobile drawer */
.drawer-toggle{display:none}
.drawer-backdrop{display:none}

/* ═══ RESPONSIVE ════════════════════════════════ */
@media (max-width:1440px){
  .app{grid-template-columns:280px 1fr 1fr}
}
@media (max-width:1280px){
  .preview-page{width:480px;min-height:680px;padding:48px 52px}
  .preview-frame-shell{width:min(100%, 760px)}
}
@media (max-width:1024px){
  .app{grid-template-columns:1fr 1fr}
  .settings{
    position:fixed;top:0;left:0;bottom:0;width:320px;z-index:60;
    transform:translateX(-100%);transition:transform .2s;
    box-shadow:var(--shadow-lg);
  }
  .settings.open{transform:translateX(0)}
  .drawer-toggle{display:inline-flex}
  .drawer-backdrop{
    display:none;position:fixed;inset:0;
    background:oklch(0% 0 0 / 0.4);z-index:55;
  }
  .drawer-backdrop.show{display:block}
}
@media (max-width:768px){
  body{overflow:auto}
  .app{grid-template-columns:1fr;overflow:visible}
  .input-pane{border-right:0;border-bottom:1px solid var(--border)}
  .preview-pane{min-height:520px}
  .preview-page{width:100%;max-width:380px;padding:32px 28px;min-height:auto}
  .preview-results{padding:0 12px 20px}
  .preview-frame-shell{min-height:920px}
  .preview-frame{min-height:920px}
  .preview-frame.pdf{height:920px}
  .result-meta{grid-template-columns:repeat(2,1fr)}
  .result-cell:nth-child(2){border-right:0}
  .result-cell:nth-child(1),.result-cell:nth-child(2){border-bottom:1px solid var(--border)}
  .nav{padding:10px 14px;gap:10px;flex-wrap:wrap}
  .nav-tabs{order:3;width:100%}
  .nav-tab{padding:5px 10px;font-size:12px}
  .state-switcher{font-size:10.5px}
  .state-switcher button{padding:4px 7px}
  .action-bar{padding:10px 14px}
  .action-status{display:none}
}
@media (max-width:480px){
  .preview-toolbar{padding:6px 10px}
  .zoom-control button:not(:nth-child(2)){display:none}
  .complete-actions .btn span{display:none}
  .upload-zone{margin:12px;padding:24px 16px}
  .url-pane{padding:16px 12px}
}