:root{--paper: #f5eedf;--ink: #2b2116;--ink-soft: #4a3d2d;--pencil: #6e6355;--pencil-line: #8a7f70;--printed: #b08e6e;--umber: #3b2a1a;--rust: #8e3e22;--rule: rgba(43, 33, 22, .18);--ok: #5e7a45;--ko: #9e3b25;--cue: #7a5a3a;--glass-bg: rgba(255, 251, 242, .5);--glass-border: rgba(255, 255, 255, .8);--glass-shadow: 0 10px 30px rgba(60, 40, 20, .16), inset 0 1px 1px rgba(255, 255, 255, .95), inset 0 -1px 1px rgba(60, 40, 20, .08);--serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;--hand: "Caveat", "Segoe Print", cursive;--sans: "Inter Tight", system-ui, -apple-system, sans-serif;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.45;-webkit-text-size-adjust:100%}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}:focus-visible{outline:2px solid var(--rust);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.paper{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}.screen{max-width:480px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom));min-height:100dvh;display:flex;flex-direction:column;gap:16px}.screen.with-dock{padding-bottom:calc(120px + env(safe-area-inset-bottom))}.screen.with-cta{padding-bottom:calc(190px + env(safe-area-inset-bottom))}.start{justify-content:center}.wordmark{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-style:italic;font-size:1.45rem;margin:0;font-weight:400}.wordmark-logo,.app-logo{display:block;border-radius:23%;box-shadow:0 0 0 1px #2b21161f}.wordmark-logo{width:26px;height:26px}.app-logo{width:148px;height:148px;box-shadow:0 0 0 1px #2b21161a,0 14px 34px -12px #3b2a1a73}.title{font-family:var(--serif);font-weight:400;font-size:2.9rem;line-height:1;margin:0}h2{font-family:var(--serif);font-weight:400;font-size:1.85rem;line-height:1.1;margin:0}.hand{font-family:var(--hand);font-weight:500;font-size:1.3rem;line-height:1.15;color:var(--ink-soft);margin:0}.lead{font-family:var(--serif);font-style:italic;font-size:1.2rem;color:var(--ink-soft);margin:0}.hint{color:var(--pencil);font-size:.95rem;margin:0}.error{color:var(--ko);margin:0}.banner-error{margin:0;padding:8px 16px;text-align:center;color:var(--paper);background:var(--ko)}.glass{position:relative;isolation:isolate;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.glass:before{content:"";position:absolute;inset:1px;z-index:-1;border-radius:inherit;background:linear-gradient(180deg,#ffffff8c,#fff0 55%);pointer-events:none}.button-primary,.button-secondary{min-height:52px;padding:0 22px;border-radius:999px;font-family:var(--sans);font-weight:600;font-size:1rem}.button-primary{color:#f7efe0;background:#3b2a1aeb;border:1px solid rgba(255,255,255,.25);box-shadow:0 8px 20px #3b2a1a47,inset 0 1px 1px #ffffff47}.button-secondary{color:var(--ink);background:#fffcf6bf;border:1px solid rgba(255,255,255,.9);box-shadow:inset 0 1px 1px #fff,0 2px 8px #3c28141f}.button-primary:disabled,.button-secondary:disabled{opacity:.5}.button-link{background:none;border:none;padding:8px 4px;min-height:44px;color:var(--rust);font-weight:500;text-decoration:underline;text-underline-offset:3px}.icon-button{position:relative;flex:none;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0;color:var(--ink)}.icon-button:disabled{opacity:.45}.icon-button.soft{background:#fffcf6bf;border:1px solid rgba(255,255,255,.9);box-shadow:inset 0 1px 1px #fff,0 2px 6px #3c28141f}.icon-badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:var(--umber);color:#f7efe0;font-size:11px;font-weight:600;line-height:18px}.floating{position:fixed;left:0;right:0;bottom:max(16px,env(safe-area-inset-bottom));display:flex;justify-content:center;pointer-events:none;z-index:10}.floating-inner{width:min(448px,calc(100% - 32px));display:flex;gap:10px;pointer-events:auto}.floating-cta{bottom:calc(max(16px,env(safe-area-inset-bottom)) + 74px)}.cta{flex:1;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left}.tabbar{flex:1;height:62px;padding:5px;border-radius:31px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px}.tab{border:none;border-radius:26px;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:#43372a;font-size:11px;font-weight:600}.tab[aria-current=page]{color:var(--umber);background:#fffcf6cc;box-shadow:inset 0 1px 1px #fff,0 1px 4px #3c28141a}.tab:disabled{opacity:.5}.tab-round{width:62px;height:62px}.dock{flex:1;min-height:72px;padding:0 10px 0 12px;border-radius:36px;display:flex;align-items:center;gap:12px}.dock-actions{flex:none;display:flex;align-items:center;gap:10px}.dock-buttons{padding:0 10px}.dock-buttons .dock-actions{flex:1}.dock-buttons .dock-actions>*{flex:1}.dock .volume-control{flex:1;min-width:0}.volume-control{display:flex;align-items:center;gap:10px}.volume-slider{-webkit-appearance:none;appearance:none;flex:1;min-width:60px;height:44px;margin:0;background:transparent}.volume-slider::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:linear-gradient(to right,var(--umber) var(--fill, 50%),rgba(43,33,22,.15) var(--fill, 50%))}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;margin-top:-10px;border:none;border-radius:50%;background:#fffcf6;box-shadow:0 2px 8px #3c281447}.volume-slider::-moz-range-track{height:6px;border-radius:3px;background:#2b211626}.volume-slider::-moz-range-progress{height:6px;border-radius:3px;background:var(--umber)}.volume-slider::-moz-range-thumb{width:26px;height:26px;border:none;border-radius:50%;background:#fffcf6;box-shadow:0 2px 8px #3c281447}.volume-value{min-width:2.8em;text-align:right;font-size:.9rem;color:var(--ink-soft)}.form{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:500;color:#5f5446}.field>span{padding-left:6px}.field input{font:inherit;font-size:1rem;font-weight:400;color:var(--ink);min-height:52px;padding:0 18px;border-radius:26px;background:#fffbf28c;-webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);border:1px solid rgba(255,255,255,.85);box-shadow:inset 0 1px 3px #3c281424,0 1px #fffc}.field input:focus{outline:2px solid var(--rust);outline-offset:1px}.settings{display:flex;flex-direction:column;gap:18px}.settings fieldset{border:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;min-width:0}.settings legend,.settings .setting-name{font-family:var(--hand);font-weight:500;font-size:1.3rem;color:var(--ink-soft);padding:0 0 6px 6px}.segmented{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:3px;min-height:50px;padding:4px;border-radius:25px}.segmented label{position:relative;display:flex;align-items:center;justify-content:center;text-align:center;min-height:42px;padding:0 6px;border-radius:21px;font-size:.92rem;font-weight:500;color:#5f5446;cursor:pointer}.segmented input{position:absolute;inset:0;margin:0;opacity:0;cursor:pointer}.segmented label:has(input:checked){color:var(--ink);font-weight:600;background:#fffcf6f2;box-shadow:0 2px 6px #3c281429,inset 0 1px 1px #fff}.segmented label:has(input:focus-visible){outline:2px solid var(--rust);outline-offset:1px}.segmented .notes-label{font-family:var(--serif);font-style:italic;font-size:1.15rem}.setting-help{font-family:var(--hand);font-size:1.15rem;color:var(--pencil);padding-left:6px}.volume-row{min-height:60px;padding:0 8px 0 18px;border-radius:30px;display:flex;align-items:center;gap:10px}.volume-row>.volume-control{flex:1;min-width:0}.volume-row .button-secondary{min-height:44px;padding:0 14px;font-size:.9rem}.account{border-top:1px solid var(--rule);padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.calibration .hint{margin-bottom:8px}.auth{gap:28px}.title-page{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}.logo-title{margin:0 0 10px;line-height:0}.auth .form .button-link{align-self:center}.page-header{display:flex;align-items:center;gap:12px}.page-header h1{font-family:var(--serif);font-weight:400;font-size:2.2rem;margin:0}.path-header{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.parcours{position:relative;margin:0 -16px}.parcours svg{display:block;width:100%;height:auto}.parcours-note{position:absolute;transform:translate(-50%,-50%);width:44px;height:44px;border:none;background:none;padding:0;border-radius:50%}.menu-center{flex:1;display:flex;flex-direction:column;justify-content:center;gap:18px}.greeting{font-size:2.3rem;font-weight:600;text-align:center;color:var(--ink)}.resume-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 20px 20px;border-radius:24px;background:#fbf6ecbf;border:1px solid rgba(43,33,22,.3);text-align:center}.resume-card .lesson-notes{width:220px;height:auto;margin:6px 0 2px}.resume-card .lesson-name{font-family:var(--serif);font-size:2.4rem;line-height:1.05;margin:0}.resume-card .lesson-where{color:var(--pencil);font-size:1.2rem}.resume-card .button-primary{align-self:stretch;margin-top:12px}.lesson-header{display:flex;align-items:center;gap:10px}.lesson-progress{flex:1;height:48px;border-radius:24px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 16px}.lesson-progress svg{flex:1;min-width:0;height:16px}.lesson-progress .hand{font-weight:600;font-size:1.15rem;color:var(--umber)}.lesson-label{font-family:var(--hand);font-weight:600;font-size:1.3rem;color:var(--ink-soft);margin:0 0 -10px}.intro{display:flex;flex-direction:column;gap:16px;padding:18px;border-radius:16px;background:#fbf6ecbf;border:1px solid rgba(43,33,22,.25);font-family:var(--serif);font-size:1.25rem;line-height:1.35}.intro p{margin:0}.result{display:flex;flex-direction:column;gap:12px}.result-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.result-title{font-size:2.4rem}.grade{position:relative;flex:none;width:104px;height:76px}.grade span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--hand);font-weight:600;font-size:2.6rem;color:var(--rust);transform:rotate(-6deg)}.grade svg{position:absolute;inset:0}.copie svg{display:block;width:100%;height:auto}.verdict{font-family:var(--hand);font-weight:600;font-size:1.55rem;line-height:1.15;margin:0}.verdict+.hand{margin:0;color:var(--pencil)}.exercise{display:flex;flex-direction:column;gap:16px}.exercise-prompt{font-family:var(--serif);font-size:2.3rem;line-height:1.1;margin:0}.staff{position:relative;width:100%}.staff svg{width:100%;height:auto;display:block}.staff .staff-trace{position:absolute;inset:0;height:100%;overflow:visible;pointer-events:none}.staff-note-button{position:absolute;z-index:1;width:40px;height:40px;transform:translate(-50%,-50%);border:none;border-radius:50%;background:transparent;padding:0}.staff-note-button:hover{background:#8e3e2214}.staff-note-button:active{background:#8e3e2229}.staff-trail{fill:none;stroke-opacity:.9;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}.staff-playhead{stroke:var(--rust);stroke-opacity:.5;stroke-width:1}.staff-dot{fill:#140f0a}.trace-legend{display:flex;gap:16px;font-size:.75rem;color:#5f5446;margin:-8px 0 0}.trace-legend span{display:flex;align-items:center;gap:6px}.trace-legend i{width:8px;height:8px;border-radius:50%}.cue-prompt{color:var(--cue)}.cue-hint{font-family:var(--hand);font-size:1.3rem;color:var(--cue);margin:0;min-height:1.4em}.ear{display:flex;justify-content:center;align-items:center;height:150px;font-size:4rem;color:var(--ink-soft)}.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(72px,1fr));gap:8px}.choice{min-height:56px;font-family:var(--serif);font-style:italic;font-size:1.45rem;color:var(--ink);border-radius:28px;background:#fffcf6b3;border:1px solid rgba(255,255,255,.9);box-shadow:inset 0 1px 1px #fff,0 2px 8px #3c28141f}.choice:disabled{color:var(--pencil)}.choice.choice-right{color:#fffaf0;background:var(--ok);border-color:var(--ok)}.choice.choice-wrong{color:#fffaf0;background:var(--ko);border-color:var(--ko)}.feedback{display:flex;flex-direction:column;gap:2px;font-family:var(--hand);font-size:1.5rem;line-height:1.15}.feedback p{margin:0}.feedback-ok{color:var(--ink)}.feedback-ko{color:var(--rust)}.count-in{text-align:center;font-family:var(--hand);font-weight:600;font-size:2.2rem;min-height:1.4em;margin:0;color:var(--rust)}.tap-button{min-height:140px;font-size:1.5rem;color:#f7efe0;background:var(--umber);border:none;border-radius:24px;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.tap-button:active{background:var(--ink)}.gauge{display:flex;flex-direction:column;gap:6px}.gauge-track{position:relative;height:36px;border-bottom:1px solid var(--ink);background:repeating-linear-gradient(90deg,transparent 0 calc(10% - 1px),var(--rule) calc(10% - 1px) 10%)}.gauge-band{position:absolute;top:0;bottom:0;background:color-mix(in srgb,var(--ok) 22%,transparent)}.gauge-needle{position:absolute;top:-4px;bottom:-4px;width:3px;margin-left:-1.5px;background:var(--ko);transition:left 60ms linear}.gauge-needle.in-tune{background:var(--ok)}.gauge-scale{display:flex;justify-content:space-between;font-size:.8rem;color:var(--pencil)}.gauge-progress{height:3px;background:var(--rule)}.gauge-progress div{height:100%;background:var(--ok)}.gauge-label{font-family:var(--hand);font-size:1.35rem;margin:4px 0 0;min-height:1.4em}.overlay{position:fixed;inset:0;z-index:20;background:color-mix(in srgb,var(--ink) 40%,transparent);display:flex;align-items:center;justify-content:center;padding:16px}.overlay-card{background:var(--paper);padding:24px;border-radius:20px;max-width:320px;text-align:center;display:flex;flex-direction:column;gap:14px}.overlay-card p{margin:0}.score{display:flex;align-items:baseline;gap:10px}.score-value{font-family:var(--serif);font-style:italic;font-size:2.1rem;line-height:1}.score-comment{font-size:1.6rem}.screen.admin{max-width:900px}.admin-table{overflow-x:auto;background:var(--glass-bg);border:1px solid var(--rule);border-radius:12px}.admin-table table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:.9rem}.admin-table th,.admin-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--rule);vertical-align:top;white-space:nowrap}.admin-table th{font-weight:600;color:var(--ink-soft)}.admin-table tr:last-child td{border-bottom:none}.admin-tag{margin-left:6px;padding:1px 6px;border-radius:6px;background:var(--rust);color:var(--paper);font-size:.75rem}.admin-muted{color:var(--pencil)}