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14px;font-size:1.6rem}.piece-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px;margin:0;padding:0;list-style:none;display:grid}.piece-grid li{display:flex}.piece-card{border-radius:var(--radius);text-align:left;background:var(--surface);width:100%;box-shadow:var(--shadow);border:none;flex-direction:column;padding:0;transition:transform .12s,box-shadow .12s;display:flex;overflow:hidden}.piece-card:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 10px 24px #2e144024}.piece-card:active:not(:disabled){transform:scale(.97)}.piece-cover{aspect-ratio:16/10;border-radius:var(--radius) var(--radius) 0 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.piece-icon{color:var(--azul-dark)}.cover-amarillo .piece-icon{color:var(--amarillo-dark)}.cover-naranja .piece-icon{color:var(--naranja-dark)}.piece-level{z-index:1;color:var(--amarillo);background:#1d13268c;border-radius:999px;padding:2px 10px;font-size:.9rem;display:flex;position:absolute;top:10px;left:10px}.piece-body{flex-direction:column;flex:1;gap:4px;padding:14px 16px 16px;display:flex}.piece-title{font-family:var(--font-display);color:var(--ink);font-size:1.25rem;font-weight:600;line-height:1.2}.piece-composer{color:var(--muted)}.piece-meta{color:var(--lila-dark);margin-top:auto;padding-top:6px;font-size:.9rem;font-weight:700}.practice{background:var(--bg);flex-direction:column;height:100%;display:flex}.practice-header{background:var(--surface);z-index:2;align-items:center;gap:12px;padding:10px 16px;display:flex;position:relative;box-shadow:0 2px 12px #2e14400f}.practice-header 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16px;font-size:1.1rem;font-weight:800;display:inline-flex}.transport{justify-content:center;gap:10px;display:flex}.settings{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.tempo{align-items:center;gap:10px;font-weight:700;display:flex}.tempo input{width:160px;accent-color:var(--accent);height:32px}.hands{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.big-button{border:2px solid var(--line);background:var(--surface);min-width:64px;min-height:60px;color:var(--lila-deep);box-shadow:0 4px 0 var(--line);border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:0 18px;font-size:1.4rem;font-weight:800;transition:transform 80ms,box-shadow 80ms;display:inline-flex}.big-button:active:not(:disabled){box-shadow:0 1px 0 var(--line);transform:translateY(3px)}.big-button.primary{white-space:nowrap;background:var(--lila);color:var(--accent-ink);border-color:var(--lila);box-shadow:0 5px 0 var(--lila-dark);text-transform:uppercase;letter-spacing:.06em;min-width:190px;font-size:1.2rem;font-weight:900}.big-button.primary:active:not(:disabled){box-shadow:0 2px 0 var(--lila-dark)}.big-button.primary.stop{background:var(--naranja);border-color:var(--naranja);box-shadow:0 5px 0 var(--naranja-dark)}.big-button.ghost{min-height:46px;box-shadow:none;background:var(--lila-soft);border-color:#0000;font-size:1.05rem}.big-button.ghost:active:not(:disabled){box-shadow:none}.round-button{background:var(--lila-soft);width:46px;height:46px;color:var(--lila-deep);border:none;border-radius:50%;font-size:1.5rem;font-weight:800}.chip{border:2px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;align-items:center;gap:6px;padding:8px 16px;font-weight:800;transition:background .12s,border-color .12s;display:inline-flex}.chip:hover:not(:disabled):not(.active){border-color:var(--lila)}.chip.active{background:var(--lila);border-color:var(--lila);color:var(--accent-ink)}@media (width<=820px){.controls{grid-template-columns:1fr}.now-playing,.settings{justify-content:center;align-items:center}.hands{justify-content:center}.big-button.primary{min-width:150px}}.open-file{cursor:pointer}.notice{background:var(--surface);border:2px solid var(--line);border-radius:14px;max-width:46ch;margin:0;padding:10px 14px}.notice.warn{border-color:var(--amarillo);background:#fff6df}.segmented{background:var(--lila-soft);border-radius:999px;padding:4px;display:flex}.segmented button{color:var(--lila-deep);background:0 0;border:none;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:1rem;font-weight:800;display:inline-flex}.segmented button.active{background:var(--lila);color:var(--accent-ink);box-shadow:0 2px 6px #7e3a9659}.settings-panel{background:var(--surface);border-top:1px solid var(--line);z-index:2;flex-wrap:wrap;gap:14px 28px;padding:14px 16px;display:flex;position:relative}.setting{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.setting-label{color:var(--lila-dark);font-weight:800}.measure-input{align-items:center;gap:6px;font-weight:700;display:flex}.measure-input input{width:64px;height:44px;font:inherit;text-align:center;border:2px solid var(--line);background:var(--bg);color:var(--ink);border-radius:12px;font-size:1.1rem}.toggle{align-items:center;gap:8px;padding:6px 4px;font-weight:700;display:flex}.toggle input{width:24px;height:24px;accent-color:var(--accent)}.midi-select{align-items:center;gap:8px;display:flex}.midi-select select{font:inherit;border:2px solid var(--line);background:var(--bg);height:44px;color:var(--ink);border-radius:12px;padding:0 8px}.dot{background:#cfc3d8;border-radius:50%;width:12px;height:12px}.dot.on{background:var(--verde);box-shadow:0 0 0 3px #1f9d5533}.footer-actions{justify-content:flex-end;display:flex}.feedback{color:var(--ink);font-size:1.25rem}.feedback b{color:var(--lila-dark)}.feedback.wrong{color:var(--naranja-dark);animation:.3s shake}.feedback.finished{font-family:var(--font-display);color:var(--verde);font-size:1.4rem;font-weight:600}@keyframes shake{25%{transform:translate(-6px)}75%{transform:translate(6px)}}@media (prefers-reduced-motion:reduce){.feedback.wrong{animation:none}}.keyboard-scroll{background:var(--lila-deep);padding:10px 16px calc(10px + env(safe-area-inset-bottom));overflow-x:auto}.keyboard{height:150px;margin:0 auto;position:relative}.key{touch-action:none;-webkit-user-select:none;user-select:none;border:none;padding:0;position:absolute;top:0}.key.white{z-index:1;background:#fffdf8;border-radius:0 0 10px 10px;justify-content:center;align-items:flex-end;width:39px;height:150px;display:flex;box-shadow:inset 0 -6px #e4dbe9}.key.black{z-index:2;background:#1d1326;border-radius:0 0 7px 7px;width:26px;height:92px;box-shadow:inset 0 -4px #4a3458}.key.hint.white{box-shadow:inset 0 -6px 0 var(--lila);background:#e6cff0}.key.hint.black{background:var(--lila);box-shadow:inset 0 -4px 0 var(--lila-dark)}.key.down.white{box-shadow:inset 0 -2px 0 var(--azul);background:#b6ecfb}.key.down.black{background:var(--azul-dark);box-shadow:none}.key-label{color:var(--muted);padding-bottom:10px;font-size:.75rem;font-weight:800}@media (width<=820px){.practice-header{flex-wrap:wrap}.practice-header h1{flex-basis:100%;order:3}.footer-actions{justify-content:center}.keyboard,.key.white{height:120px}.key.black{height:74px}}.mic-on{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.mic-meter{align-items:center;gap:10px;min-width:180px;display:flex}.meter-track{background:var(--line);border-radius:999px;flex:1;min-width:100px;height:14px;position:relative;overflow:hidden}.meter-fill{background:linear-gradient(90deg, var(--lila), var(--azul));height:100%;transition:width 60ms linear}.meter-mark{background:var(--ink);opacity:.5;width:2px;position:absolute;top:0;bottom:0}.meter-note{text-align:center;min-width:52px;font-size:1.1rem;font-weight:800}.footer-actions{flex-wrap:wrap;align-items:center;gap:12px}.modal-backdrop{z-index:20;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#2e14408c;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:28px;flex-direction:column;gap:14px;width:100%;max-width:520px;padding:28px;font-size:1.15rem;display:flex;box-shadow:0 20px 50px #2e14404d}.modal h2{color:var(--lila-deep);margin:0;font-size:1.8rem;line-height:1.15}.modal p{margin:0;line-height:1.45}.modal .big-button.primary{align-self:flex-start}.modal-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.modal-close{align-self:flex-end}.calibration-step{font-size:1.25rem}.review{flex-direction:column;height:100%;display:flex}.review-link{align-self:flex-start}.review-list{border-bottom:1px solid var(--line);background:var(--surface);gap:8px;padding:10px 16px;display:flex;overflow-x:auto}.review-item{border:2px solid var(--line);background:var(--bg);text-align:left;border-radius:14px;flex-direction:column;flex:none;align-items:flex-start;gap:4px;max-width:240px;padding:8px 12px;display:flex}.review-item.active{border-color:var(--accent)}.review-item-title{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-weight:800;overflow:hidden}.status{background:var(--line);border-radius:999px;padding:2px 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img{width:100%;height:auto;display:block}@media (width<=820px){.review-compare{grid-template-columns:1fr;grid-auto-rows:minmax(320px,1fr)}.review-source{flex-basis:100%}}.summary{text-align:center;align-items:center}.summary .modal-actions{justify-content:center}.summary .big-button.primary{align-self:center}.stars{justify-content:center;gap:8px;line-height:1;display:flex}.stars .lucide{width:3.4rem;height:3.4rem;color:var(--line)}.stars .lucide.on{color:var(--amarillo);filter:drop-shadow(0 3px 0 var(--amarillo-dark))}.summary-scores{justify-content:center;gap:32px;display:flex}.summary-scores div{flex-direction:column;display:flex}.summary-scores b{font-family:var(--font-display);color:var(--lila);font-size:2.4rem;font-weight:600}.summary-detail{color:var(--muted)}.summary-problems{flex-direction:column;gap:8px;display:flex}.countdown{font-family:var(--font-display);color:var(--lila);font-size:2.2rem;font-weight:700}.feedback.ontime{color:var(--verde);font-weight:800}.feedback.offtime{color:var(--amarillo-dark);font-weight:800}.segmented button{white-space:nowrap}@media (width<=560px){.segmented button{padding:6px 9px;font-size:.9rem}.app-logo{height:48px}}.school-unlock{border-radius:var(--radius);background:var(--surface);max-width:640px;box-shadow:var(--shadow);flex-direction:column;gap:10px;margin:0 0 24px;padding:22px;display:flex}.school-unlock h2{color:var(--lila-deep);margin:0}.school-unlock p{margin:0;line-height:1.45}.school-unlock-row{flex-wrap:wrap;gap:10px;display:flex}.school-unlock-row input{border:2px solid var(--line);background:var(--bg);min-width:0;color:var(--ink);border-radius:999px;flex:180px;padding:10px 18px;font-size:1.25rem}.instrument-filter{flex-wrap:wrap;gap:10px;margin-bottom:16px;display:flex}.instrument-filter .chip{padding:10px 18px;font-size:1.05rem}.library-search{background:var(--surface);border:2px solid var(--line);width:100%;max-width:520px;box-shadow:var(--shadow);color:var(--muted);border-radius:999px;align-items:center;gap:10px;margin-bottom:16px;padding:0 20px;display:flex}.library-search:focus-within{border-color:var(--lila);outline:none}.library-search input{min-width:0;color:var(--ink);background:0 0;border:none;outline:none;flex:1;padding:14px 0;font-size:1.1rem}.beat{background:var(--lila);width:44px;height:44px;color:var(--accent-ink);border-radius:50%;justify-content:center;align-items:center;font-size:1.3rem;font-weight:900;animation:.35s ease-out beat-flash;display:inline-flex}.beat.accent{background:var(--naranja)}@keyframes beat-flash{0%{transform:scale(1.35)}to{transform:scale(1)}}@media (prefers-reduced-motion:reduce){.beat{animation:none}}.exercises-link{color:#fff;text-align:left;background:linear-gradient(120deg, var(--lila-deep) 0%, var(--lila-dark) 55%, var(--lila) 100%);border:none;border-radius:26px;align-items:center;gap:18px;width:100%;margin-bottom:28px;padding:22px 24px;font-size:1.05rem;transition:transform .12s;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 24px #7e3a964d}.exercises-link:after{content:"";pointer-events:none;background:radial-gradient(circle,#fec04473,#0000 70%);border-radius:50%;width:200px;height:200px;position:absolute;top:-60px;right:-40px}.exercises-link>*{z-index:1;position:relative}.exercises-link:hover{transform:translateY(-2px)}.exercises-link:active{transform:scale(.98)}.exercises-link .icon{width:64px;height:64px;color:var(--amarillo);background:#ffffff29;border-radius:20px;flex:none;justify-content:center;align-items:center;display:flex}.exercises-link .icon .lucide{width:36px;height:36px}.exercises-text{flex:1}.exercises-link strong{font-family:var(--font-display);margin-bottom:2px;font-size:1.6rem;font-weight:600;display:block}.exercises-go{z-index:1;background:var(--amarillo);width:48px;height:48px;color:var(--lila-deep);border-radius:50%;flex:none;justify-content:center;align-items:center;display:flex;position:relative}.exercise-options{flex-direction:column;gap:14px;margin-bottom:24px;display:flex}.exercise-option{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:none;margin:0;padding:16px 18px}.exercise-option legend{float:left;width:100%;font-family:var(--font-display);color:var(--lila-deep);margin-bottom:10px;padding:0;font-size:1.15rem;font-weight:600}.exercise-choices{clear:both;flex-wrap:wrap;gap:8px;display:flex}.exercise-choices .chip{padding:10px 16px;font-size:1.05rem}.create-exercise{width:100%;max-width:420px;min-height:64px}.key-rows{clear:both;grid-template-columns:auto 1fr;align-items:center;gap:10px 12px;display:grid}.key-row-label{color:var(--muted);font-weight:800}.minor-row{flex-wrap:wrap;align-items:center;gap:10px 16px;display:flex}.exercise-choices .key-chip{justify-content:center;min-width:52px;padding:8px 12px}@media (width<=560px){.key-rows{grid-template-columns:1fr}.exercises-link{gap:14px;padding:18px}.exercises-link .icon{width:52px;height:52px}.exercises-link .icon .lucide{width:30px;height:30px}.exercises-link strong{font-size:1.35rem}}