/* ============================================
   SNEAKPEN — Clean, white, mobile-first
   Blue accent · Pill buttons · Space Grotesk
   ============================================ */

/* Reset */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{overflow-x:hidden;max-width:100vw}

/* ---------- Tokens ---------- */
:root{
  --white:#FFFFFF;
  --bg:#FFFFFF;
  --bg2:#F8FAFC;
  --bg3:#F1F5F9;
  --input:#F1F5F9;
  --hover:#E2E8F0;
  --active:#CBD5E1;

  --text:#0F172A;
  --text2:#334155;
  --text3:#64748B;
  --text4:#94A3B8;
  --placeholder:#94A3B8;

  --blue:#2563EB;
  --blue-light:#3B82F6;
  --blue-bg:rgba(37,99,235,.06);
  --blue-bg2:rgba(37,99,235,.12);

  --border:#E2E8F0;
  --border2:#CBD5E1;

  --red:#EF4444;
  --red-bg:rgba(239,68,68,.06);
  --green:#10B981;
  --green-bg:rgba(16,185,129,.08);
  --orange:#F59E0B;

  --sh-xs:0 1px 2px rgba(0,0,0,.04);
  --sh-sm:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --sh-md:0 4px 12px rgba(0,0,0,.08);
  --sh-lg:0 12px 32px rgba(0,0,0,.12);

  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:9999px;

  --heading:'Space Grotesk',-apple-system,'Segoe UI',sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'SF Mono','JetBrains Mono','Fira Code',monospace;

  --ease:cubic-bezier(.25,.1,.25,1);
  --spring:cubic-bezier(.34,1.56,.64,1);

  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --header:56px;
}

/* Dark */
[data-theme="dark"]{
  --bg:#0F1219;--bg2:#161B25;--bg3:#1E2430;
  --input:#1E2430;--hover:#283040;--active:#334155;
  --text:#F1F5F9;--text2:#CBD5E1;--text3:#94A3B8;--text4:#64748B;--placeholder:#475569;
  --blue-bg:rgba(37,99,235,.15);--blue-bg2:rgba(37,99,235,.25);
  --border:#1E293B;--border2:#334155;
  --sh-xs:0 1px 2px rgba(0,0,0,.3);--sh-sm:0 1px 3px rgba(0,0,0,.4);
  --sh-md:0 4px 12px rgba(0,0,0,.5);--sh-lg:0 12px 32px rgba(0,0,0,.6);
}

/* ---------- Base ---------- */
html{font-size:16px;-webkit-text-size-adjust:100%;height:100%}
body{
  font-family:var(--body);background:var(--bg2);color:var(--text);
  min-height:100dvh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;line-height:1.5;
}
input,button,select,textarea{font-family:var(--body)}
::selection{background:var(--blue-bg2)}

/* Views */
.view{display:none;height:100dvh;overflow:hidden}
.view.active{display:flex;flex-direction:column}

/* =========================================
   BUTTONS
   ========================================= */

/* Icon button – 44px touch target */
.btn-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:none;background:transparent;
  color:var(--text3);border-radius:var(--r-sm);cursor:pointer;
  transition:background .15s var(--ease);flex-shrink:0;
}
.btn-icon:active{background:var(--hover);transform:scale(.92)}
.btn-icon svg{width:22px;height:22px}

/* Pill buttons */
.btn-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border:none;border-radius:var(--r-pill);
  font-size:.85rem;font-weight:600;cursor:pointer;
  transition:all .15s var(--ease);white-space:nowrap;
}
.btn-pill:active{transform:scale(.96)}

.btn-primary-pill{background:var(--blue);color:#fff}
.btn-primary-pill:active{background:var(--blue-light)}
.btn-primary-pill svg{width:16px;height:16px}

.btn-ghost{background:var(--bg3);color:var(--text2);border:1px solid var(--border)}
.btn-ghost:active{background:var(--hover)}

/* Filled button (modals) */
.btn-filled{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:14px 20px;border:none;border-radius:var(--r-pill);
  background:var(--blue);color:#fff;font-size:.9rem;font-weight:600;cursor:pointer;
  transition:all .15s var(--ease);
}
.btn-filled:active{transform:scale(.97);background:var(--blue-light)}

.btn-danger-filled{background:var(--red)}
.btn-danger-filled:active{background:#DC2626}

/* Outline button */
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 18px;border:1.5px solid var(--border);
  border-radius:var(--r-pill);background:var(--bg);
  color:var(--text);font-size:.88rem;font-weight:500;cursor:pointer;
  transition:all .15s var(--ease);
}
.btn-outline:active{transform:scale(.97);background:var(--bg3)}
.btn-outline svg{width:18px;height:18px;color:var(--text3)}

.btn-outline-danger{border-color:rgba(239,68,68,.2);color:var(--red);background:var(--red-bg)}
.btn-outline-danger svg{color:var(--red)}

/* =========================================
   HEADER (shared)
   ========================================= */

.app-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 16px;padding-top:calc(8px + var(--safe-t));
  background:var(--bg);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;min-height:var(--header);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.header-left,.header-right{display:flex;align-items:center;gap:4px}

/* Brand */
.brand{display:flex;align-items:center;gap:10px}
.brand-icon{width:34px;height:34px}
.brand-name{
  font-family:var(--heading);font-weight:700;font-size:1.1rem;
  letter-spacing:.02em;color:var(--text);
}

.header-title{font-family:var(--heading);font-size:1.05rem;font-weight:600;color:var(--text)}

.title-input{
  flex:1;min-width:0;background:none;border:none;outline:none;
  color:var(--text);font-size:1rem;font-weight:600;
  font-family:var(--heading);padding:6px 8px;border-radius:var(--r-xs);
  transition:background .15s var(--ease);
}
.title-input:focus{background:var(--input)}

/* =========================================
   HOME
   ========================================= */

.home-body{
  flex:1;padding:0 20px 100px;
  padding-bottom:calc(100px + var(--safe-b));
  max-width:640px;margin:0 auto;width:100%;
  position:relative;
}

.home-hero{padding:24px 0 20px}
.home-hero h2{
  font-family:var(--heading);font-size:1.5rem;font-weight:700;
  color:var(--text);letter-spacing:-.02em;line-height:1.2;margin-bottom:6px;
}
.home-hero p{font-size:.9rem;color:var(--text3);line-height:1.45}

/* Search */
.search-bar{
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;background:var(--input);
  border:none;border-radius:var(--r-pill);margin-bottom:16px;
  transition:box-shadow .2s var(--ease);
}
.search-bar:focus-within{box-shadow:0 0 0 2px var(--blue-bg2),0 0 0 1px var(--blue)}
.search-bar svg{width:18px;height:18px;color:var(--text4);flex-shrink:0}
.search-bar input{
  flex:1;min-width:0;background:none;border:none;outline:none;
  color:var(--text);font-size:.9rem;
}
.search-bar input::placeholder{color:var(--placeholder)}

/* Home tabs */
.home-tabs{
  display:flex;gap:4px;margin-bottom:16px;
  background:var(--bg3);border-radius:var(--r-pill);padding:4px;
}
.home-tab{
  flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 12px;border:none;background:transparent;
  color:var(--text3);font-size:.84rem;font-weight:600;
  border-radius:var(--r-pill);cursor:pointer;
  transition:all .2s var(--ease);
}
.home-tab svg{width:16px;height:16px}
.home-tab.active{background:var(--bg);color:var(--text);box-shadow:var(--sh-sm)}

/* Panels */
.home-panel{display:none}
.home-panel.active{display:block}

/* Sheets grid */
.sheets-grid{display:flex;flex-direction:column;gap:8px}

.sheet-card{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;background:var(--bg);
  border:1px solid var(--border);border-radius:var(--r-md);
  cursor:pointer;transition:all .15s var(--ease);
}
.sheet-card:active{transform:scale(.985);background:var(--bg3)}

.sheet-card-info{flex:1;min-width:0;padding-right:8px}
.sheet-card-title{
  font-size:.93rem;font-weight:600;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  font-family:var(--heading);
}
.sheet-card-meta{font-size:.74rem;color:var(--text4);margin-top:2px}

.sheet-card-actions{display:flex;gap:2px}
.sheet-card-actions .btn-icon{width:36px;height:36px;color:var(--text4)}
.sheet-card-actions .btn-icon svg{width:16px;height:16px}

/* Empty state */
.empty-state{text-align:center;padding:48px 20px}
.empty-icon svg{width:56px;height:56px;margin-bottom:16px;opacity:.4}
.empty-state h3{font-family:var(--heading);font-size:1.05rem;font-weight:600;margin-bottom:4px}
.empty-state p{font-size:.85rem;color:var(--text4)}

/* Templates grid */
.templates-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}

.template-card{
  display:flex;flex-direction:column;align-items:center;
  padding:20px 12px 16px;background:var(--bg);
  border:1px solid var(--border);border-radius:var(--r-md);
  cursor:pointer;transition:all .15s var(--ease);text-align:center;
}
.template-card:active{transform:scale(.97);background:var(--bg3)}
.template-icon{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:var(--blue-bg);border-radius:var(--r-sm);margin-bottom:10px;
}
.template-icon svg{width:22px;height:22px}
.template-name{font-size:.85rem;font-weight:600;color:var(--text);font-family:var(--heading)}
.template-desc{font-size:.72rem;color:var(--text4);margin-top:2px;line-height:1.3}

/* FAB */
.fab{
  position:fixed;bottom:24px;right:20px;
  bottom:calc(24px + var(--safe-b));
  width:56px;height:56px;border:none;border-radius:50%;
  background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(37,99,235,.35);
  cursor:pointer;transition:all .15s var(--ease);z-index:50;
}
.fab:active{transform:scale(.9)}
.fab svg{width:24px;height:24px}

/* =========================================
   EDITOR
   ========================================= */

/* Save dot */
.save-dot-wrap{display:flex;align-items:center;padding:4px 6px}
.save-dot{width:7px;height:7px;border-radius:50%;transition:background .2s var(--ease)}
.save-dot-wrap.saved .save-dot{background:var(--green)}
.save-dot-wrap.unsaved .save-dot{background:var(--orange);animation:pulse 1.8s ease infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}

/* Dropdown */
.dropdown{
  position:fixed;top:calc(var(--header) + var(--safe-t) + 4px);right:12px;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh-lg);z-index:200;min-width:200px;overflow:hidden;
  animation:dropIn .18s var(--spring);
}
@keyframes dropIn{from{opacity:0;transform:translateY(-6px) scale(.96)}to{opacity:1;transform:none}}

.dropdown-item{
  display:flex;align-items:center;gap:12px;width:100%;
  padding:13px 18px;border:none;background:none;
  color:var(--text);font-size:.88rem;font-weight:450;
  cursor:pointer;transition:background .12s var(--ease);text-align:left;
}
.dropdown-item:active{background:var(--hover)}
.dropdown-item svg{width:18px;height:18px;color:var(--text3);flex-shrink:0}
.dropdown-danger{color:var(--red)}
.dropdown-danger svg{color:var(--red)}
.dropdown-divider{height:1px;background:var(--border);margin:4px 0}

/* =========================================
   TOOLBAR
   ========================================= */

.toolbar{
  display:flex;align-items:center;gap:2px;padding:4px 8px;
  background:var(--bg);border-bottom:1px solid var(--border);
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;flex-shrink:0;max-width:100vw;
}
.toolbar::-webkit-scrollbar{display:none}

.toolbar-group{display:flex;align-items:center;gap:1px;flex-shrink:0}
.toolbar-sep{width:1px;height:20px;background:var(--border);margin:0 4px;flex-shrink:0}

.toolbar-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:34px;padding:0 4px;border:none;
  background:transparent;color:var(--text3);font-size:.82rem;
  border-radius:var(--r-xs);cursor:pointer;
  transition:all .12s var(--ease);
}
.toolbar-btn:active{background:var(--hover)}
.toolbar-btn.active{background:var(--blue-bg);color:var(--blue)}
.toolbar-btn svg{width:16px;height:16px}

.toolbar-btn-accent{background:var(--blue-bg);color:var(--blue);font-weight:600}
.toolbar-btn-accent:active{background:var(--blue-bg2)}

.toolbar-select{
  padding:5px 26px 5px 10px;background:var(--input);border:1px solid var(--border);
  color:var(--text);font-size:.8rem;border-radius:var(--r-xs);
  outline:none;cursor:pointer;height:38px;
  -webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 6px center;
}
.toolbar-select-sm{padding:5px 22px 5px 6px;min-width:58px;font-variant-numeric:tabular-nums}

/* Math symbols bar — hidden by default, toggled open */
.toolbar-math-symbols{
  display:none;flex-wrap:wrap;gap:3px;
  padding:8px 12px;background:var(--bg);
  border-bottom:1px solid var(--border);
  max-width:100vw;
}
.toolbar-math-symbols.open{display:flex}
.math-sym{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:32px;height:32px;padding:0 4px;border:1px solid var(--border);
  background:var(--bg);color:var(--text2);font-size:.88rem;
  border-radius:var(--r-xs);cursor:pointer;font-family:serif;
  transition:all .1s var(--ease);
}
.math-sym:hover{background:var(--blue-bg);border-color:var(--blue);color:var(--blue)}
.math-sym:active{transform:scale(.9)}

/* Fullscreen editor */
.view-fullscreen{position:fixed!important;inset:0;z-index:500}
.view-fullscreen .app-header{display:none}
.view-fullscreen .toolbar{border-radius:0}
.view-fullscreen .editor-workspace{height:calc(100dvh - 80px)}

/* =========================================
   BARRE DE COMPOSITION
   Taille en POINTS typographiques réels : ce qui
   s'affiche ici est ce qui s'imprime sur le papier.
   ========================================= */

.compose-bar{
  display:flex;align-items:center;gap:16px;
  padding:6px 12px;background:var(--bg);
  border-bottom:1px solid var(--border);
  overflow-x:auto;scrollbar-width:none;flex-shrink:0;max-width:100vw;
}
.compose-bar::-webkit-scrollbar{display:none}

.compose-group{display:flex;align-items:center;gap:6px;flex-shrink:0}
.compose-group>label{
  font-size:.68rem;font-weight:700;color:var(--text4);
  text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;
}

.step-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border:1px solid var(--border);
  background:var(--bg);color:var(--text2);border-radius:var(--r-xs);
  font-size:1rem;line-height:1;cursor:pointer;flex-shrink:0;
  transition:all .12s var(--ease);
}
.step-btn:hover{background:var(--bg3);color:var(--text)}
.step-btn:active{transform:scale(.9)}

.size-control input[type="range"]{
  width:110px;height:4px;-webkit-appearance:none;appearance:none;
  background:var(--border2);border-radius:2px;outline:none;flex-shrink:0;
}
.size-control input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;width:18px;height:18px;
  background:var(--blue);border-radius:50%;cursor:pointer;
  box-shadow:0 1px 4px rgba(37,99,235,.3);
}
.size-control input[type="range"]::-moz-range-thumb{
  width:18px;height:18px;background:var(--blue);border-radius:50%;
  cursor:pointer;border:none;
}

#font-size-value{
  font-size:.76rem;color:var(--blue);font-weight:700;
  min-width:46px;text-align:center;font-variant-numeric:tabular-nums;
  padding:2px 6px;background:var(--blue-bg);border-radius:var(--r-xs);
}
#font-size-value.risky{color:var(--orange);background:rgba(245,158,11,.12)}
#font-size-value.risky::after{content:' ⚠'}

.size-hint{
  font-size:.7rem;color:var(--text4);white-space:nowrap;
  font-variant-numeric:tabular-nums;min-width:82px;
}

.size-presets{gap:2px;background:var(--bg3);border-radius:var(--r-pill);padding:2px}
.size-preset{
  min-width:30px;height:26px;border:none;background:transparent;
  color:var(--text4);font-size:.7rem;font-weight:700;letter-spacing:.02em;
  border-radius:var(--r-pill);cursor:pointer;transition:all .15s var(--ease);
}
.size-preset.active{background:var(--bg);color:var(--blue);box-shadow:var(--sh-xs)}

/* Segmented control */
.seg-control{
  display:flex;gap:2px;background:var(--bg3);
  border-radius:var(--r-pill);padding:2px;
}
.seg-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:28px;padding:0 8px;border:none;
  background:transparent;color:var(--text4);font-size:.75rem;
  font-weight:600;border-radius:var(--r-pill);cursor:pointer;
  transition:all .15s var(--ease);
}
.seg-btn.active{background:var(--bg);color:var(--blue);box-shadow:var(--sh-xs)}

/* =========================================
   LINE COUNTER
   ========================================= */

.line-counter-bar{
  display:flex;align-items:center;gap:10px;
  padding:6px 16px;background:var(--bg);
  border-bottom:1px solid var(--border);
}
.line-counter-label{font-size:.7rem;font-weight:600;color:var(--text4);text-transform:uppercase;letter-spacing:.04em}
.line-counter-track{
  flex:1;height:4px;background:var(--bg3);border-radius:2px;overflow:hidden;
}
.line-counter-fill{
  height:100%;background:var(--blue);border-radius:2px;
  transition:width .3s var(--ease),background .3s var(--ease);
}
.line-counter-fill.warn{background:var(--orange)}
.line-counter-fill.full{background:var(--red)}
.line-counter-fill.shake{animation:zoneShake .38s var(--ease)}
@keyframes zoneShake{
  0%,100%{transform:translateX(0)}
  25%{transform:translateX(-3px)}
  75%{transform:translateX(3px)}
}

/* Mobile preview FAB */
.fab-preview{
  display:none;position:fixed;bottom:24px;left:20px;
  bottom:calc(24px + var(--safe-b));
  width:48px;height:48px;border:none;border-radius:50%;
  background:var(--bg);color:var(--text3);
  box-shadow:var(--sh-md);border:1px solid var(--border);
  align-items:center;justify-content:center;
  cursor:pointer;transition:all .15s var(--ease);z-index:50;
}
.fab-preview:active{transform:scale(.9)}
.fab-preview svg{width:20px;height:20px}
.fab-preview.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.line-counter-text{
  font-size:.72rem;font-weight:600;color:var(--text3);
  font-variant-numeric:tabular-nums;min-width:50px;text-align:right;
}

/* =========================================
   EDITOR TABS & WORKSPACE
   ========================================= */

.editor-workspace{display:flex;flex:1;overflow:hidden;position:relative;min-height:0}

.preview-pane{display:flex;flex:1;overflow-y:auto;background:var(--bg2);padding:12px;position:relative;flex-direction:column;min-height:0}

/* Zoom controls – desktop only */
.preview-zoom-bar{
  display:none;align-items:center;gap:6px;
  padding:6px 10px;background:var(--bg);
  border:1px solid var(--border);border-radius:var(--r-pill);
  box-shadow:var(--sh-sm);position:absolute;top:12px;right:16px;z-index:10;
}
.zoom-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border:1px solid var(--border);
  background:var(--bg);color:var(--text3);border-radius:var(--r-xs);
  cursor:pointer;transition:all .12s var(--ease);
}
.zoom-btn:hover{background:var(--bg3);color:var(--text)}
.zoom-btn:active{transform:scale(.9)}
.zoom-btn svg{width:14px;height:14px}
.zoom-level{
  font-size:.76rem;font-weight:600;color:var(--text2);
  min-width:38px;text-align:center;font-variant-numeric:tabular-nums;
}

/* Editor contenteditable */
.editor-content{
  min-height:300px;outline:none;font-size:.92rem;line-height:1.65;
  color:var(--text);padding:4px;
}
.editor-content:empty::before{
  content:attr(data-placeholder);color:var(--placeholder);pointer-events:none;
}
.editor-content h1{font-family:var(--heading);font-size:1.3rem;font-weight:700;margin:14px 0 6px;color:var(--text)}
.editor-content h2{font-family:var(--heading);font-size:1.1rem;font-weight:650;margin:12px 0 4px;color:var(--text)}
.editor-content h3{font-family:var(--heading);font-size:.96rem;font-weight:600;margin:10px 0 4px;color:var(--text)}
.editor-content ul,.editor-content ol{padding-left:20px;margin:4px 0}
.editor-content li{margin:2px 0}
.editor-content hr{border:none;border-top:1px solid var(--border);margin:12px 0}

/* Rendered math formulas in editor */
.editor-content .math-rendered{
  display:inline-block;cursor:default;user-select:all;
  vertical-align:middle;padding:1px 3px;border-radius:4px;
  background:var(--blue-bg);
}
.editor-content .math-rendered:hover{background:var(--blue-bg2)}
.editor-content .math-rendered.math-block{
  display:block;text-align:center;margin:6px 0;padding:6px;
}

/* =========================================
   BANDE SNEAKPEN — gabarit figé 40 mm × 220 mm
   Identique au PDF exporté, au millimètre près.
   ========================================= */
.preview-scroll{width:100%;display:flex;justify-content:center;padding-bottom:24px}
.preview-paper{
  background:#fff;color:#111;
  box-shadow:var(--sh-md);
  /* bande : 40 mm de large × 220 mm de long — jamais autre chose */
  width:40mm;height:220mm;flex:none;
  border:1px solid var(--border);position:relative;overflow:hidden;
  zoom:var(--band-zoom,1);
}

/* Repères (coupe / pli / stops / biseaux) — générés depuis js/band.js */
.band-chrome{position:absolute;inset:0;pointer-events:none;z-index:2}
.band-chrome .band-svg{display:block;width:40mm;height:220mm}
.preview-paper[data-marks="off"] .band-chrome{display:none}

/* Zone de texte : 30 → 190 mm = 160 mm. Aucune marge latérale. */
.preview-content{
  position:absolute;top:30mm;left:0;
  width:40mm;height:160mm;
  padding:0;font-family:var(--body);
  font-size:6px;line-height:1.15;column-count:1;column-gap:2px;
  overflow:hidden;outline:none;cursor:text;z-index:1;
}
.preview-paper[data-marks="on"] .preview-content{
  outline:.3mm dashed rgba(37,99,235,.35);outline-offset:-.15mm;
}
/* contenteditable laisse souvent un <br> résiduel : :empty ne suffit pas,
   c'est JS qui pose .is-empty */
.preview-content.is-empty::before{
  content:attr(data-placeholder);color:#9AA5B1;pointer-events:none;font-style:italic;
}
/* Boîte de rasterisation PDF + boîte de mesure : hors flux de la bande */
.pdf-zone{position:static!important;top:auto!important;left:auto!important;outline:none!important}
/* Espacements en em : la mise en page reste juste de 3 pt à 10 pt.
   Les filets sont en mm, jamais en px : sous 0,125 mm ils disparaissent
   sur une tête thermique 203 dpi. */
.preview-content h1{font-size:1.45em;font-weight:700;margin:.35em 0 .12em;
  border-bottom:.15mm solid #333;padding-bottom:.08em;break-after:avoid}
.preview-content h2{font-size:1.25em;font-weight:600;margin:.3em 0 .1em;break-after:avoid}
.preview-content h3{font-size:1.1em;font-weight:600;margin:.25em 0 .08em;break-after:avoid}
.preview-content p{margin:.06em 0}
.preview-content ul,.preview-content ol{padding-left:1.15em;margin:.06em 0}
.preview-content li{margin:0}
.preview-content blockquote{margin:.1em 0 .1em .6em;padding-left:.4em;border-left:.15mm solid #999}
.preview-content hr{border:none;border-top:.15mm solid #999;margin:.3em 0}
.preview-content .katex{font-size:1em}
.preview-content .katex-display{margin:.2em 0}
/* Une formule ne doit jamais élargir la bande */
.preview-content .math-rendered{max-width:100%;overflow:hidden}

/* =========================================
   SETTINGS
   ========================================= */

.settings-body{
  padding:8px 20px 20px;padding-bottom:calc(24px + var(--safe-b));
  max-width:560px;margin:0 auto;width:100%;
}
.settings-group{margin-top:24px}
.settings-group-title{
  font-family:var(--heading);font-size:.72rem;font-weight:700;
  color:var(--text4);text-transform:uppercase;letter-spacing:.06em;
  margin-bottom:8px;padding-left:4px;
}

.settings-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;
}
.setting-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 16px;gap:12px;
}
.setting-row+.setting-row{border-top:1px solid var(--border)}

.setting-info{flex:1;min-width:0}
.setting-label{font-size:.92rem;font-weight:500;color:var(--text)}
.setting-desc{font-size:.78rem;color:var(--text4);margin-top:1px}

.setting-select{
  padding:7px 28px 7px 10px;background:var(--input);border:1px solid var(--border);
  color:var(--text);font-size:.86rem;border-radius:var(--r-xs);outline:none;
  -webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 8px center;
}

/* Toggle */
.toggle{position:relative;width:50px;height:30px;flex-shrink:0}
.toggle input{opacity:0;width:0;height:0}
.toggle-track{
  position:absolute;inset:0;background:var(--active);
  border-radius:15px;cursor:pointer;transition:background .2s var(--ease);
}
.toggle-track::before{
  content:'';position:absolute;width:24px;height:24px;
  left:3px;bottom:3px;background:#fff;border-radius:50%;
  transition:transform .2s var(--spring);
  box-shadow:0 1px 3px rgba(0,0,0,.15);
}
.toggle input:checked+.toggle-track{background:var(--blue)}
.toggle input:checked+.toggle-track::before{transform:translateX(20px)}

.settings-actions{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.settings-footer{text-align:center;padding:28px 0 8px;color:var(--text4);font-size:.78rem}

/* =========================================
   MODAL (bottom sheet)
   ========================================= */

.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-end;justify-content:center}
.modal-backdrop{
  position:absolute;inset:0;background:rgba(0,0,0,.3);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  animation:fadeIn .2s var(--ease);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.modal-sheet{
  position:relative;background:var(--bg);
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  box-shadow:var(--sh-lg);width:100%;max-height:90dvh;
  overflow-y:auto;animation:slideUp .3s var(--spring);
}
.modal-sheet-sm{max-width:100%}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}

.modal-handle{
  width:36px;height:4px;background:var(--border2);
  border-radius:2px;margin:8px auto 0;
}

.modal-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px 10px;
}
.modal-header h3{font-family:var(--heading);font-size:1.05rem;font-weight:650}
.modal-close{
  width:32px;height:32px;background:var(--bg3);border-radius:50%;
}
.modal-close svg{width:16px;height:16px}

.modal-body{padding:0 20px 12px}
.modal-actions{
  display:flex;gap:10px;padding:12px 20px;
  padding-bottom:calc(12px + var(--safe-b));
  border-top:1px solid var(--border);
}

/* Fields */
.field{margin-bottom:14px}
.field label{
  display:block;font-size:.7rem;font-weight:700;color:var(--text4);
  text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;
}
.field textarea{
  width:100%;padding:10px 14px;background:var(--input);
  border:1.5px solid var(--border);color:var(--text);
  font-size:.9rem;font-family:var(--mono);border-radius:var(--r-sm);
  outline:none;resize:vertical;line-height:1.5;
  transition:border-color .15s var(--ease);
}
.field textarea:focus{border-color:var(--blue)}

/* Math preview */
.math-preview{
  min-height:52px;padding:12px;background:var(--bg3);
  border-radius:var(--r-sm);display:flex;align-items:center;
  justify-content:center;font-size:1.2rem;overflow-x:auto;
  border:1px solid var(--border);color:var(--text);
}
.math-preview .katex-error{color:var(--red);font-size:.82rem}

/* Snippet tabs */
.snippet-tabs{
  display:flex;gap:4px;margin-bottom:8px;overflow-x:auto;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:2px;
}
.snippet-tabs::-webkit-scrollbar{display:none}
.snippet-tab{
  padding:6px 14px;border:none;background:var(--bg3);
  color:var(--text3);font-size:.76rem;font-weight:600;
  border-radius:var(--r-pill);cursor:pointer;white-space:nowrap;
  transition:all .12s var(--ease);flex-shrink:0;
}
.snippet-tab.active{background:var(--blue-bg);color:var(--blue)}

.snippet-panel{display:none;flex-wrap:wrap;gap:5px}
.snippet-panel.active{display:flex}

.chip{
  padding:6px 11px;background:var(--bg3);border:1px solid var(--border);
  color:var(--text2);font-size:.78rem;border-radius:var(--r-pill);
  cursor:pointer;font-family:serif;
  transition:all .1s var(--ease);
}
.chip:active{background:var(--blue-bg);border-color:var(--blue);color:var(--blue);transform:scale(.93)}

/* Confirm */
.confirm-body{padding:24px 20px;padding-bottom:calc(20px + var(--safe-b))}
.confirm-body h3{font-family:var(--heading);font-size:1.1rem;font-weight:650;margin-bottom:6px}
.confirm-body p{color:var(--text3);font-size:.9rem;margin-bottom:20px;line-height:1.45}
.confirm-actions{display:flex;gap:10px}
.confirm-actions .btn-outline,.confirm-actions .btn-filled{flex:1;justify-content:center}

/* =========================================
   TOAST
   ========================================= */

#toast-container{
  position:fixed;bottom:calc(24px + var(--safe-b));left:50%;
  transform:translateX(-50%);z-index:2000;
  display:flex;flex-direction:column;gap:8px;
  pointer-events:none;width:calc(100% - 40px);max-width:340px;
}
.toast{
  padding:13px 20px;background:var(--text);border:none;
  border-radius:var(--r-pill);color:var(--bg);
  font-size:.86rem;font-weight:500;box-shadow:var(--sh-md);
  animation:toastIn .3s var(--spring) forwards;
  pointer-events:auto;text-align:center;
}
.toast.toast-success{background:var(--green);color:#fff}
.toast.toast-error{background:var(--red);color:#fff}
.toast.toast-out{animation:toastOut .25s var(--ease) forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:none}}
@keyframes toastOut{from{opacity:1;transform:none}to{opacity:0;transform:translateY(12px) scale(.95)}}

/* =========================================
   LOADING
   ========================================= */

.loading-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.45);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  z-index:3000;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:16px;color:#fff;
  font-size:.92rem;font-weight:500;
}
.loading-spinner{
  width:32px;height:32px;border:3px solid rgba(255,255,255,.2);
  border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* =========================================
   IMPRESSION DEPUIS LE NAVIGATEUR
   La bande ne s'imprime jamais depuis le DOM : le seul
   chemin fiable est le PDF 40 × 220 mm. Si quelqu'un
   lance Ctrl+P hors de l'éditeur, on l'explique.
   ========================================= */

@media print{
  body>*{display:none!important}
  body::after{
    content:"SneakPen — utilise le bouton PDF pour obtenir la bande de 220 x 40 mm, puis imprime ce PDF a taille reelle (100 %).";
    display:block;padding:24mm 20mm;font-family:Arial,sans-serif;
    font-size:11pt;line-height:1.6;color:#000;
  }
  @page{margin:0}
}

/* =========================================
   COMPOSANTS COMPLÉMENTAIRES
   ========================================= */

.noscript{
  padding:16px 20px;margin:16px;background:var(--red-bg);
  border:1px solid var(--red);border-radius:var(--r-md);
  color:var(--red);font-size:.9rem;text-align:center;
}

/* Glyphes de la barre d'outils (plus d'inline style) */
.tb-glyph{font-size:13px;line-height:1}
.tb-glyph sup,.tb-glyph sub{font-size:9px}
.tb-highlight{font-weight:700;font-size:14px;background:#FBBF24;color:#111;padding:0 3px;border-radius:2px}
.tb-color{font-weight:700;font-size:15px;border-bottom:3px solid var(--blue);line-height:1.1}
.tb-sigma{font-family:'Times New Roman',serif;font-style:italic;font-size:15px}
.tb-pi{font-family:serif;font-size:14px}
input[type="color"]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}

/* Jauge : dépassement explicite plutôt que silencieux */
.line-counter-text.over{color:var(--red);font-weight:700}
.line-counter-words{color:var(--text4);margin-right:4px}

/* Indicateur d'enregistrement : troisième état, l'échec */
.save-dot-wrap.failed .save-dot{background:var(--red);animation:pulse 1s ease infinite}

/* Toast avec action */
.toast{display:flex;align-items:center;justify-content:center;gap:12px}
.toast-action{
  border:none;background:rgba(255,255,255,.22);color:inherit;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:.8rem;font-weight:700;cursor:pointer;flex-shrink:0;
}
.toast-action:hover{background:rgba(255,255,255,.34)}

/* Stockage */
.setting-row-stack{flex-direction:column;align-items:stretch;gap:10px}
.storage-bar{height:5px;background:var(--bg3);border-radius:3px;overflow:hidden}
.storage-bar-fill{height:100%;background:var(--blue);border-radius:3px;transition:width .3s var(--ease)}
.storage-bar-fill.warn{background:var(--orange)}
.storage-bar-fill.full{background:var(--red)}

/* Modèles */
.templates-hint{margin-top:12px;font-size:.75rem;color:var(--text4);text-align:center}
.template-icon-custom{background:var(--green-bg);color:var(--green)}
.template-card.holding{transform:scale(.96);border-color:var(--red);background:var(--red-bg)}
.empty-icon svg{color:var(--border2)}

/* Aperçu de formule */
.math-preview-hint{color:var(--text4);font-size:.85rem}
.math-preview-error{color:var(--red);font-size:.82rem;word-break:break-word}

/* =========================================
   AIDE « COMMENT ÇA MARCHE »
   ========================================= */

.modal-sheet-help{max-width:640px}
.help-body{padding-bottom:20px}
.help-layout{display:flex;gap:20px;align-items:flex-start}
.help-band{flex:none;background:#fff;border:1px solid var(--border);border-radius:6px;padding:4px}
.help-band svg{display:block;width:26mm;height:143mm}

.help-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;flex:1;min-width:0}
.help-steps li{display:flex;gap:10px;font-size:.86rem;line-height:1.5;color:var(--text2)}
.help-steps b{color:var(--text)}
.help-step-n{
  flex:none;width:22px;height:22px;border-radius:50%;
  background:var(--blue);color:#fff;font-size:.72rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:1px;
}
.help-stop{color:var(--red)}
.help-note{
  margin-top:18px;padding:12px 14px;background:var(--blue-bg);
  border-radius:var(--r-sm);font-size:.82rem;line-height:1.55;color:var(--text2);
}

@media(max-width:560px){
  .help-layout{flex-direction:column;align-items:center}
  .help-band svg{width:20mm;height:110mm}
}

/* =========================================
   ACCESSIBILITÉ
   ========================================= */

:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px}
.preview-content:focus-visible{outline:none}
.sheet-card:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;
  }
}

/* =========================================
   SCROLLBAR
   ========================================= */

::-webkit-scrollbar{width:3px;height:3px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}

/* =========================================
   RESPONSIVE
   ========================================= */

@media(min-width:640px){
  .templates-grid{grid-template-columns:repeat(3,1fr)}
}
@media(min-width:768px){
  .modal{align-items:center}
  .modal-sheet{border-radius:var(--r-lg);max-width:480px}
  .modal-sheet-sm{max-width:380px}
  .modal-handle{display:none}
  .modal-sheet{animation:modalPop .25s var(--spring)}
  @keyframes modalPop{from{opacity:0;transform:scale(.92) translateY(10px)}to{opacity:1;transform:none}}
}
@media(max-width:1023px){
  #btn-fullscreen{display:none}
  .compose-bar{gap:12px}
  .compose-group>label{display:none}
  .size-control input[type="range"]{width:72px}
}
@media(max-width:480px){
  .toolbar{padding:3px 6px;gap:1px}
  .toolbar-sep{margin:0 2px}
  .toolbar-btn{min-width:30px;height:30px}
  .toolbar-select{height:30px;font-size:.72rem;padding:3px 20px 3px 6px}
  .seg-btn{min-width:24px;height:24px;font-size:.7rem}
  .math-sym{min-width:28px;height:28px;font-size:.82rem}
  .compose-bar{gap:10px;padding:5px 8px}
  .size-control input[type="range"]{width:60px}
  .size-hint{display:none}
  .home-hero{padding:16px 0 14px}
  .home-hero h2{font-size:1.3rem}
}
@media(min-width:1024px){
  .preview-pane .preview-scroll{flex:1;overflow-y:auto;display:flex;justify-content:center;align-items:flex-start;padding:16px}
  .preview-zoom-bar{display:flex}
  .toolbar{flex-wrap:wrap}
  .templates-grid{grid-template-columns:repeat(3,1fr)}
}