:root{--bg:#0b0b0e;--bg-2:#101015;--surface:#15151b;--surface-2:#1d1d25;--line:#2a2a34;--text:#f3f0ea;--muted:#a09da8;--faint:#6f6c78;--pink:#d6116b;--pink-2:#ef2e86;--pink-soft:#f5c6d6;--pink-glow:#d6116b38;--ok:#7fd4a4;--warn:#f1c27a;--radius:18px;--radius-sm:12px;--nav-h:68px;--font:"Inter", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;--font-display:"Inter Tight", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;background-image:radial-gradient(900px 500px at 85% -10%, var(--pink-glow), transparent 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18px;font-weight:800;display:flex}.brand-mark{background:var(--pink);width:28px;height:28px;box-shadow:0 0 24px var(--pink-glow);border-radius:9px;place-items:center;display:grid}.nav-link{color:var(--muted);text-align:left;background:0 0;border:0;border-radius:12px;align-items:center;gap:12px;width:100%;padding:10px 12px;font-weight:500;text-decoration:none;display:flex}.nav-link:hover{background:var(--surface);color:var(--text);text-decoration:none}.nav-link[aria-current=page]{background:var(--surface-2);color:var(--text);box-shadow:inset 2px 0 0 var(--pink)}.nav-spacer{flex:1}.main{width:100%;max-width:1060px;margin:0 auto;padding:28px clamp(16px,4vw,40px) 80px}.bottom-nav{display:none}@media (width<=899px){.app{grid-template-columns:1fr}.sidebar{display:none}.main{padding-top:20px;padding-bottom:calc(var(--nav-h) + 36px + env(safe-area-inset-bottom))}.bottom-nav{z-index:20;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--line);background:#0e0e12eb;grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.tab{color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:.7rem;text-decoration:none;display:flex;position:relative}.tab:hover{text-decoration:none}.tab[aria-current=page]{color:var(--text)}.tab[aria-current=page]:before{content:"";background:var(--pink);border-radius:0 0 4px 4px;width:26px;height:3px;position:absolute;top:0}}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:22px;display:flex}.page-head p{color:var(--muted);max-width:60ch;margin:6px 0 0}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--pink-soft);margin-bottom:6px;font-size:.72rem;font-weight:600}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;animation:.35s both rise}.card.flat{background:0 0}.card.glow{background:linear-gradient(160deg, #d6116b29, var(--surface) 55%);border-color:#d6116b59}.card h2,.card h3{margin-bottom:10px}.grid{gap:14px;display:grid}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.auto{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}@media (width<=720px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}.grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}}.stack{flex-direction:column;gap:14px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.row.between{justify-content:space-between}.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:.86rem}.tiny{font-size:.76rem}.mt{margin-top:14px}.mt-lg{margin-top:26px}.btn{border:1px solid var(--line);background:var(--surface-2);border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;text-decoration:none;transition:transform .12s,background .15s;display:inline-flex}.btn:hover{background:#262630;text-decoration:none}.btn:active{transform:scale(.98)}.btn.primary{background:var(--pink);border-color:var(--pink);color:#fff;box-shadow:0 6px 24px var(--pink-glow)}.btn.primary:hover{background:var(--pink-2)}.btn.ghost{background:0 0}.btn.sm{padding:6px 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.s{color:var(--faint);font-size:.75rem}input,textarea,select{background:var(--bg-2);width:100%;color:var(--text);border:1px solid var(--line);border-radius:var(--radius-sm);font:inherit;padding:10px 12px}textarea{resize:vertical;min-height:110px}input:focus,textarea:focus,select:focus{border-color:var(--pink);box-shadow:0 0 0 3px var(--pink-glow);outline:none}label{color:var(--muted);margin-bottom:5px;font-size:.82rem;font-weight:500;display:block}.field{margin-bottom:14px}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:6px 14px;font-size:.86rem;font-weight:500}.chip[aria-pressed=true]{color:var(--text);border-color:var(--pink);background:#d6116b2e}.cat-card{color:inherit;flex-direction:column;gap:6px;text-decoration:none;transition:transform .15s,border-color 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p{font-size:1.04rem;line-height:1.7}.callout{border-left:3px solid var(--pink);background:var(--surface);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px 16px}.choice{text-align:left;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);width:100%;margin-bottom:9px;padding:13px 15px;transition:border-color .15s,background .15s;display:block}.choice:hover:not(:disabled){border-color:var(--pink-soft)}.choice.right{border-color:var(--ok);background:#7fd4a41a}.choice.wrong{background:#d96a8c1a;border-color:#d96a8c}.flashcard{flex-direction:column;justify-content:center;gap:14px;min-height:160px;display:flex}.grade-row{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.check-item{border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;background:var(--surface);align-items:flex-start;gap:10px;margin-bottom:8px;padding:10px 12px;display:flex}.check-item input{width:auto;accent-color:var(--pink);margin-top:4px}.chart{width:100%;height:auto;display:block}.chart text{fill:var(--faint);font-size:11px;font-family:var(--font)}.chart .bar-hit{cursor:pointer}.chart .bar-hit:hover rect.main{filter:brightness(1.25)}.legend{color:var(--muted);flex-wrap:wrap;gap:14px;font-size:.78rem;display:flex}.legend i{vertical-align:-1px;border-radius:3px;width:10px;height:10px;margin-right:6px;display:inline-block}.tooltip-line{min-height:1.6em;color:var(--muted);font-size:.86rem}.tree-domain{margin-bottom:26px}.skill{gap:14px;display:flex;position:relative}.skill+.skill{margin-top:10px}.skill-node{border:2px solid var(--line);background:var(--surface);width:42px;height:42px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-size:.85rem;font-weight:700;display:grid}.skill.commencee .skill-node,.skill.en-cours .skill-node{border-color:var(--pink-soft);color:var(--pink-soft)}.skill.maitrisee .skill-node{background:var(--pink);border-color:var(--pink);color:#fff;box-shadow:0 0 22px var(--pink-glow)}.skill.verrouillee{opacity:.6}.skill-body{flex:1}.ring{place-items:center;display:grid;position:relative}.ring .center{text-align:center;position:absolute}.empty{text-align:center;color:var(--muted);padding:34px 16px}.toast-region{left:50%;bottom:calc(var(--nav-h) + 22px);z-index:40;pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;transform:translate(-50%)}@media (width>=900px){.toast-region{bottom:28px}}.toast{border:1px solid var(--pink);color:var(--text);background:#22222b;border-radius:999px;padding:9px 16px;font-size:.9rem;animation:.3s both rise;box-shadow:0 8px 30px #00000080}.divider{background:var(--line);border:0;height:1px;margin:16px 0}.kbd-note{border:1px dashed var(--line);border-radius:var(--radius-sm);color:var(--muted);padding:12px 14px;font-size:.88rem}.source-badge{background:var(--surface-2);color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-size:.7rem}.source-badge.measured{color:var(--ok);border-color:#7fd4a466}.source-badge.declared{color:var(--warn);border-color:#f1c27a66}.breath{background:radial-gradient(circle, var(--pink) 0%, #d6116b26 70%);border-radius:50%;width:120px;height:120px;margin:18px auto;animation:8s ease-in-out infinite breath}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes breath{0%,to{transform:scale(.7)}50%{transform:scale(1.05)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.pdf-wrap{-webkit-overflow-scrolling:touch;background:#fff;border-radius:10px;width:100%;overflow:auto}.pdf-wrap canvas{max-width:100%;display:block}.doc-text p{overflow-wrap:anywhere;margin:0 0 .55em;font-size:1rem;line-height:1.6}.doc-text p.math,.math,textarea.math-input{letter-spacing:.01em;white-space:pre-wrap;font-family:Cambria Math,STIX Two Math,Latin Modern Math,Noto Sans Math,ui-monospace,Menlo,Consolas,monospace}.doc-text p.math{background:var(--surface-2);border-left:3px solid var(--pink);border-radius:6px;padding:6px 10px;overflow-x:auto}mark{background:var(--pink);color:#fff;border-radius:3px;padding:0 2px}.doc-text{-webkit-user-select:text;user-select:text}html{-webkit-text-size-adjust:100%}body{-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}button,.btn,.chip,.tab,.choice,.nav-link{touch-action:manipulation}input,select,textarea{font-size:16px}.main{padding-left:max(clamp(16px, 4vw, 40px), env(safe-area-inset-left));padding-right:max(clamp(16px, 4vw, 40px), env(safe-area-inset-right))}@media (display-mode:standalone){.main{padding-top:calc(20px + env(safe-area-inset-top))}}.update-banner{left:12px;right:12px;top:calc(10px + env(safe-area-inset-top));z-index:60;border:1px solid var(--pink);background:#22222b;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;display:flex;position:fixed;box-shadow:0 8px 30px #00000080}.offline-pill{top:calc(8px + env(safe-area-inset-top));z-index:55;position:fixed;right:12px}