*,::after,::before{margin:0;padding:0;box-sizing:border-box}:root{--bg-dark:#111130;--glass-bg:rgba(8, 12, 30, 0.72);--glass-border:rgba(100, 140, 200, 0.13);--glass-blur:24px;--text-1:rgba(255,255,255,0.88);--text-2:rgba(255,255,255,0.70);--text-3:rgba(255,255,255,0.52);--accent:#7C6FFF;--accent-glow:rgba(124,111,255,0.28);--radius:14px;--radius-sm:10px;--transition:0.3s cubic-bezier(0.4, 0, 0.2, 1);--note-1:#FF4757;--note-2:#FF6B6B;--note-3:#FF9F43;--note-4:#FFD32A;--note-5:#FECA57;--note-6:#A3CB38;--note-7:#48D58E;--note-8:#2ED573;--note-9:#2BCBBA;--note-10:#54A0FF;--note-11:#5352ED;--note-12:#A29BFE;--note-13:#FD79A8;--note-14:#E84393;--accent-green:#48D58E;--accent-orange:#FF9F43;--accent-pink:#FD79A8}body,html{width:100%;height:100%;height:100dvh;overflow:hidden;background:var(--bg-dark);color:var(--text-1);font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe 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rgba(255,255,255,.18);border-radius:5px;font-family:monospace;font-size:12px;color:#fff;min-width:24px;text-align:center}.active-scale-badge{display:none;align-items:center;gap:5px;padding:5px 10px;border-radius:20px;background:rgba(124,111,255,.15);border:1px solid rgba(124,111,255,.3);color:#c5bfff;font-family:inherit;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s}.ctrl-separator{display:none;width:100%;height:0}@media (max-width:640px){#header{height:48px;padding:0 8px}.brand{font-size:14px}#controls{bottom:10px;padding:6px 10px;gap:6px}.btn{padding:8px 10px;font-size:12px}.btn-sm{min-width:44px;min-height:44px}#settings-panel,#sidebar{width:280px}.overlay-content{padding:24px 20px;border-radius:16px}.overlay-content h2{font-size:20px}.scale-grid{grid-template-columns:1fr 1fr}}@media (max-width:480px){#header{height:52px;padding:0 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h2{font-size:20px}.scale-grid{grid-template-columns:1fr}.nav-link{padding:14px 16px;font-size:15px;gap:14px}.sidebar-nav{gap:2px}}@media (max-width:360px){.tempo-group{display:none}#controls{gap:4px;padding:5px 8px}.btn{padding:8px 9px}}@media (max-height:500px) and (orientation:landscape){#header{height:40px}#controls{bottom:calc(6px + env(safe-area-inset-bottom,0px));padding:4px 10px;gap:4px}.btn{padding:6px 10px;font-size:12px}.btn-label{display:none}.active-scale-badge{display:flex}.scale-chips-wrap{bottom:calc(48px + env(safe-area-inset-bottom,0px))}.scale-chip{min-width:40px;padding:4px 7px}.scale-chip-emoji{font-size:14px}.scale-chip-name{display:none}}.icon-sun{display:block}.icon-moon,[data-light=true] .icon-sun{display:none}[data-light=true] 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#controls{background:rgba(255,255,255,.88);border-color:rgba(80,80,180,.12)}[data-light=true] .btn{background:rgba(0,0,0,.06);color:var(--text-1);border-color:rgba(0,0,0,.1)}@media (hover:hover){[data-light=true] select:hover{background-color:rgba(0,0,0,.08)}[data-light=true] .close-btn:hover{background:rgba(0,0,0,.06)}[data-light=true] .btn:hover{background:rgba(0,0,0,.1)}[data-light=true] .scale-chip:hover{background:rgba(0,0,0,.09)}}[data-light=true] .overlay{background:rgba(200,205,255,.55)}[data-light=true] .overlay-content{background:rgba(255,255,255,.97);border-color:rgba(80,80,180,.12);color:var(--text-1)}[data-light=true] .overlay-content h2{color:var(--text-1)}[data-light=true] .learn-section{border-bottom-color:rgba(0,0,0,.07)}[data-light=true] .learn-section h3{color:var(--text-1)}[data-light=true] .learn-section li,[data-light=true] .learn-section p{color:var(--text-2)}[data-light=true] .learn-section li::before{color:var(--accent)}[data-light=true] .overlay-intro{color:var(--text-3)}[data-light=true] .scale-card{background:rgba(0,0,0,.03);border-color:rgba(0,0,0,.09)}[data-light=true] .scale-card strong{color:var(--text-1)}[data-light=true] .scale-card span{color:var(--text-3)}[data-light=true] .faq-section details{border-bottom-color:rgba(0,0,0,.08)}[data-light=true] .faq-section summary{color:var(--text-1)}[data-light=true] .faq-section details p,[data-light=true] .shortcut-row{color:var(--text-2)}[data-light=true] .shortcut-row kbd{background:rgba(0,0,0,.06);border-color:rgba(0,0,0,.18);color:var(--text-1)}[data-light=true] .scale-chips-wrap{background:rgba(255,255,255,.85);border-top-color:rgba(0,0,0,.08)}[data-light=true] .scale-chip{background:rgba(0,0,0,.05);border-color:rgba(0,0,0,.1)}[data-light=true] .scale-chip-name{color:rgba(18,18,55,.55)}[data-light=true] #backdrop{background:rgba(100,100,200,.25)}[data-light=true] .theme-btn{border-color:rgba(0,0,0,.15)}[data-light=true] .theme-btn.active{border-color:var(--accent)}[data-light=true] .active-scale-badge{background:rgba(124,111,255,.12);border-color:rgba(124,111,255,.3);color:#5548d9}:focus:not(:focus-visible){outline:0}:focus-visible{outline:#7C6FFF solid 2px;outline-offset:2px;border-radius:4px}.note-hud{position:fixed;top:calc(120px + env(safe-area-inset-top));left:50%;transform:translateX(-50%) translateY(-10px) scale(1.1);z-index:110;font-size:28px;font-weight:700;font-family:'Fredoka One',Inter,sans-serif;color:#fff;-webkit-text-fill-color:#fff;background:var(--accent);background-clip:padding-box;-webkit-background-clip:padding-box;padding:6px 20px;border-radius:50px;text-shadow:0 1px 3px rgba(0,0,0,.3);filter:none;box-shadow:0 4px 20px rgba(124,111,255,.4);pointer-events:none;opacity:0;transition:opacity .15s,transform .15s;font-variant-numeric:tabular-nums;letter-spacing:2px}.note-hud.show{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}#onboarding{position:fixed;inset:0;z-index:500;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);cursor:pointer;transition:opacity .5s}#onboarding.fade{opacity:0;pointer-events:none}.onboard-ring{width:120px;height:120px;border:3px solid transparent;border-radius:50%;animation:2s ease-in-out infinite onboard-pulse;background:linear-gradient(#111130,#111130) padding-box,linear-gradient(135deg,#7c6fff,#fd79a8,#48d58e) border-box;box-shadow:0 0 40px rgba(124,111,255,.4),inset 0 0 30px rgba(124,111,255,.15)}.onboard-text{margin-top:24px;font-size:20px;font-weight:500;color:rgba(255,255,255,.85);letter-spacing:1px;animation:2s ease-in-out infinite onboard-fade}@keyframes onboard-pulse{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.12);opacity:1}}@keyframes onboard-fade{0%,100%{opacity:.6}50%{opacity:1}}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:0s!important;animation-iteration-count:1!important;transition-duration:0s!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.onboard-ring{animation:none}.onboard-text{animation:none;opacity:1}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}select optgroup{font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-3)}select option{font-weight:400;font-size:13px;text-transform:none;letter-spacing:normal;padding:4px 8px}.transpose-controls{display:flex;align-items:center;gap:8px}.transpose-value{color:var(--text-1);font-size:16px;font-weight:600;min-width:36px;text-align:center;font-variant-numeric:tabular-nums}.transpose-controls .btn-sm{min-width:36px;min-height:36px;padding:4px 8px;font-size:18px}.custom-scale-builder{display:flex;flex-direction:column;gap:10px}.custom-scale-name-row input{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:var(--text-1);padding:8px 12px;border-radius:var(--radius-sm);font-family:inherit;font-size:13px;outline:0;transition:var(--transition)}.custom-scale-name-row input::placeholder{color:var(--text-3)}.custom-scale-name-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.custom-note-grid{display:flex;flex-direction:column;gap:4px}.custom-note-row{display:flex;align-items:center;gap:6px}.custom-note-num{color:var(--text-3);font-size:11px;font-weight:600;width:16px;text-align:center;flex-shrink:0}.custom-note-row select{flex:1;padding:6px 28px 6px 10px;font-size:12px}.custom-note-row select.custom-note-oct{flex:0 0 52px}.custom-scale-save{width:100%;justify-content:center;background:var(--accent-glow)!important;border-color:rgba(91,168,255,.3)!important;color:var(--accent)!important;font-weight:600!important}.scale-chips-wrap{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);z-index:40;display:none;gap:6px;padding:8px 14px;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:50px;max-width:calc(100vw - 20px);overflow-x:auto;scrollbar-width:none}.scale-chips-wrap::-webkit-scrollbar{display:none}.scale-chips-wrap.open{display:flex}.scale-chip{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 10px;border-radius:20px;border:1.5px solid rgba(255,255,255,.1);cursor:pointer;background:rgba(255,255,255,.04);transition:background-color .2s,border-color .2s,transform .2s;min-width:52px}@media (hover:hover){.custom-scale-save:hover{background:rgba(91,168,255,.35)!important}.scale-chip:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);transform:translateY(-2px)}}.scale-chip.active{background:rgba(124,111,255,.2);border-color:rgba(124,111,255,.5)}.scale-chip-emoji{font-size:18px;line-height:1}.scale-chip-name{font-size:8.5px;font-weight:700;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.3px;text-align:center;line-height:1.2}.scale-chip.active .scale-chip-name{color:#a29bfe}.embed-mode #backdrop,.embed-mode #header,.embed-mode #onboarding,.embed-mode #settings-panel,.embed-mode #sidebar,.embed-mode .note-hud,.embed-mode .scale-chips-wrap{display:none!important}.clean-mode #backdrop,.clean-mode #controls,.clean-mode #header,.clean-mode #onboarding,.clean-mode #settings-panel,.clean-mode #sidebar,.clean-mode .scale-chips-wrap{display:none!important}.clean-mode *{cursor:none!important}.embed-mode #controls{bottom:0;border-radius:0;background:rgba(5,5,16,.9)}.embed-mode #controls .btn-label{font-size:11px}:fullscreen #header{background:0 0;border-bottom-color:transparent}:fullscreen #controls{bottom:12px}#splash{position:fixed;inset:0;z-index:9999;background:var(--bg-dark);display:flex;align-items:center;justify-content:center;transition:opacity .5s}.splash-title{font-family:'Fredoka One',sans-serif;font-size:clamp(36px, 8vw, 72px);background:linear-gradient(135deg,var(--accent),#fd79a8,#54a0ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:1.2s ease-in-out infinite alternate splash-pulse}@keyframes splash-pulse{from{opacity:.6;transform:scale(.97)}to{opacity:1;transform:scale(1.03)}}#rec-indicator.rec-dot{width:10px;height:10px;border-radius:50%;background:#ff4757;animation:1s ease-in-out infinite rec-pulse;position:absolute;top:50%;right:64px;transform:translateY(-50%)}@keyframes rec-pulse{0%,100%{opacity:1;transform:translateY(-50%) scale(1)}50%{opacity:.4;transform:translateY(-50%) scale(.8)}}.setting-group+.setting-group{border-top:1px solid rgba(100,140,200,.06);padding-top:16px}.touch-ripple{position:fixed;width:60px;height:60px;border-radius:50%;border:2px solid rgba(124,111,255,.4);transform:translate(-50%,-50%) scale(0);animation:.6s ease-out forwards ripple-expand;pointer-events:none;z-index:50}@keyframes ripple-expand{to{transform:translate(-50%,-50%) scale(3);opacity:0}}[data-theme="studio"] .icon-sun{display:none}[data-theme="studio"] .icon-moon{display:block}[data-theme="studio"]{--bg-dark:linear-gradient(180deg,#f8f9fc 0%,#eef0f5 100%);--glass-bg:rgba(255,255,255,0.88);--glass-border:rgba(31,35,55,0.10);--text-1:#1f2337;--text-2:rgba(31,35,55,0.72);--text-3:rgba(31,35,55,0.55);--accent:#6366F1;--accent-glow:rgba(99,102,241,0.28);--note-1:#EF4444;--note-2:#F87171;--note-3:#F97316;--note-4:#EAB308;--note-5:#FBBF24;--note-6:#84CC16;--note-7:#22C55E;--note-8:#10B981;--note-9:#14B8A6;--note-10:#3B82F6;--note-11:#6366F1;--note-12:#8B5CF6;--note-13:#EC4899;--note-14:#DB2777;--accent-green:#22C55E;--accent-orange:#F97316;--accent-pink:#EC4899}[data-theme="studio"],[data-theme="studio"] body,[data-theme="studio"] html{background:var(--bg-dark);color:var(--text-1)}[data-theme="studio"] #header{background:rgba(255,255,255,0.88);border-bottom-color:rgba(31,35,55,0.10)}[data-theme="studio"] .icon-btn{color:rgba(31,35,55,0.68)}[data-theme="studio"] #sidebar{background:rgba(255,255,255,0.97);border-right-color:rgba(31,35,55,0.10)}[data-theme="studio"] .nav-link{color:var(--text-2)}@media (hover:hover){[data-theme="studio"] .icon-btn:hover{background:rgba(31,35,55,0.06);color:var(--text-1)}[data-theme="studio"] .nav-link:hover{background:rgba(31,35,55,0.05);color:var(--text-1)}}[data-theme="studio"] .nav-link.active{background:linear-gradient(135deg,rgba(99,102,241,0.12),rgba(236,72,153,0.06));color:var(--accent)}[data-theme="studio"] .sidebar-header{border-bottom-color:rgba(31,35,55,0.08)}[data-theme="studio"] .sidebar-footer{border-top-color:rgba(31,35,55,0.08)}[data-theme="studio"] .sidebar-legal a{color:rgba(31,35,55,0.45)}[data-theme="studio"] .version{color:rgba(31,35,55,0.40)}[data-theme="studio"] #settings-panel{background:rgba(255,255,255,0.97);border-left-color:rgba(31,35,55,0.10)}[data-theme="studio"] .panel-header{border-bottom-color:rgba(31,35,55,0.08)}[data-theme="studio"] .setting-group{border-bottom-color:rgba(31,35,55,0.07)}[data-theme="studio"] .close-btn,[data-theme="studio"] label{color:var(--text-2)}[data-theme="studio"] input[type=range],[data-theme="studio"] select{background:rgba(31,35,55,0.05);border-color:rgba(31,35,55,0.12);color:var(--text-1);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='rgba(31,35,55,0.4)' stroke-width='1.5'/%3E%3C/svg%3E")}[data-theme="studio"] #controls{background:rgba(255,255,255,0.94);border-color:rgba(31,35,55,0.10)}[data-theme="studio"] .btn{background:rgba(31,35,55,0.04);color:var(--text-1);border-color:rgba(31,35,55,0.12)}@media (hover:hover){[data-theme="studio"] select:hover{background-color:rgba(31,35,55,0.08)}[data-theme="studio"] .close-btn:hover{background:rgba(31,35,55,0.06)}[data-theme="studio"] .btn:hover{background:rgba(31,35,55,0.08)}[data-theme="studio"] .scale-chip:hover{background:rgba(31,35,55,0.08);transform:translateY(-2px)}}[data-theme="studio"] .overlay{background:rgba(99,102,241,0.18)}[data-theme="studio"] .overlay-content{background:rgba(255,255,255,0.97);border-color:rgba(31,35,55,0.10);color:var(--text-1)}[data-theme="studio"] .overlay-content h2{color:var(--text-1)}[data-theme="studio"] .learn-section{border-bottom-color:rgba(31,35,55,0.07)}[data-theme="studio"] .learn-section h3{color:var(--text-1)}[data-theme="studio"] .learn-section li,[data-theme="studio"] .learn-section p{color:var(--text-2)}[data-theme="studio"] .learn-section li::before{color:var(--accent)}[data-theme="studio"] .overlay-intro{color:var(--text-3)}[data-theme="studio"] .scale-card{background:rgba(31,35,55,0.03);border-color:rgba(31,35,55,0.09)}[data-theme="studio"] .scale-card strong{color:var(--text-1)}[data-theme="studio"] .scale-card span{color:var(--text-3)}[data-theme="studio"] .faq-section details{border-bottom-color:rgba(31,35,55,0.08)}[data-theme="studio"] .faq-section summary{color:var(--text-1)}[data-theme="studio"] .faq-section details p,[data-theme="studio"] .shortcut-row{color:var(--text-2)}[data-theme="studio"] .shortcut-row kbd{background:rgba(31,35,55,0.06);border-color:rgba(31,35,55,0.18);color:var(--text-1)}[data-theme="studio"] .scale-chips-wrap{background:rgba(255,255,255,0.92);border-top-color:rgba(31,35,55,0.08)}[data-theme="studio"] .scale-chip{background:rgba(31,35,55,0.03);border-color:rgba(31,35,55,0.10)}[data-theme="studio"] .scale-chip.active{background:rgba(99,102,241,0.12);border-color:rgba(99,102,241,0.45)}[data-theme="studio"] .scale-chip-name{color:rgba(31,35,55,0.55)}[data-theme="studio"] .scale-chip.active .scale-chip-name{color:#4f46e5}[data-theme="studio"] #backdrop{background:rgba(99,102,241,0.15)}[data-theme="studio"] .theme-btn{border-color:rgba(31,35,55,0.15)}[data-theme="studio"] .theme-btn.active{border-color:var(--accent)}[data-theme="studio"] .active-scale-badge{background:rgba(99,102,241,0.12);border-color:rgba(99,102,241,0.30);color:#4f46e5}[data-theme="studio"] #btn-autoplay.active{background:linear-gradient(135deg,rgba(34,197,94,0.20),rgba(16,185,129,0.10));border-color:rgba(34,197,94,0.50);color:#15803d}[data-theme="studio"] #btn-record.active{background:linear-gradient(135deg,rgba(239,68,68,0.20),rgba(248,113,113,0.10));border-color:rgba(239,68,68,0.50);color:#dc2626}[data-theme="studio"] .rec-dot{background:rgba(239,68,68,0.5)}[data-theme="studio"] .btn.active .rec-dot{background:#ef4444}
@keyframes practice-pulse{0%,100%{box-shadow:0 0 0 0 rgba(124,111,255,0.6)}50%{box-shadow:0 0 0 12px rgba(124,111,255,0)}}
.btn-practice.hint-pulse{animation:practice-pulse 2s infinite}
.practice-overlay-content{max-width:720px}
.practice-intro{font-size:15px;color:var(--text-2);margin-bottom:20px;line-height:1.55}
.practice-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.practice-tab{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:var(--text-2);padding:7px 16px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;transition:.2s}
.practice-tab.active{background:rgba(124,111,255,.2);border-color:rgba(124,111,255,.5);color:#c5bfff}
@media(hover:hover){.practice-tab:hover{background:rgba(255,255,255,.1);color:var(--text-1)}}
[data-theme="studio"] .practice-tab{background:rgba(31,35,55,.05);border-color:rgba(31,35,55,.12);color:var(--text-2)}
[data-theme="studio"] .practice-tab.active{background:rgba(99,102,241,.12);border-color:rgba(99,102,241,.45);color:#4f46e5}
.melody-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:28px;min-height:120px}
.melody-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:18px 16px;cursor:pointer;transition:.2s;display:flex;flex-direction:column;gap:6px}
@media(hover:hover){.melody-card:hover{background:rgba(124,111,255,.12);border-color:rgba(124,111,255,.4);transform:translateY(-2px)}}
.melody-card-name{font-size:13.5px;font-weight:600;color:var(--text-1);line-height:1.3}
.melody-card-meta{font-size:11.5px;color:var(--text-3);margin-bottom:4px}
.melody-card-btn{margin-top:auto;background:linear-gradient(135deg,rgba(124,111,255,.3),rgba(253,121,168,.2));border:1px solid rgba(124,111,255,.4);color:#c5bfff;padding:6px 14px;border-radius:7px;font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;transition:.15s;align-self:flex-start}
@media(hover:hover){.melody-card-btn:hover{background:linear-gradient(135deg,rgba(124,111,255,.45),rgba(253,121,168,.3))}}
[data-theme="studio"] .melody-card{background:rgba(31,35,55,.03);border-color:rgba(31,35,55,.09)}
[data-theme="studio"] .melody-card-btn{background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(236,72,153,.08));border-color:rgba(99,102,241,.35);color:#4f46e5}
.practice-instructions{border-top:1px solid rgba(255,255,255,.07);padding-top:20px;margin-top:4px}
.practice-instructions>summary{font-size:14px;font-weight:600;color:var(--text-2);cursor:pointer;padding:8px 0;list-style:none;display:flex;align-items:center;gap:8px;user-select:none}
.practice-instructions>summary::-webkit-details-marker{display:none}
.practice-instructions>summary::before{content:'▶';font-size:11px;transition:transform .2s;opacity:.6}
.practice-instructions[open]>summary::before{transform:rotate(90deg)}
[data-theme="studio"] .practice-instructions{border-top-color:rgba(31,35,55,.08)}
.difficulty-easy{color:#48d58e}.difficulty-medium{color:#ff9f43}.difficulty-hard{color:#ff4757}
[data-theme="studio"] .difficulty-easy{color:#15803d}[data-theme="studio"] .difficulty-medium{color:#c2410c}[data-theme="studio"] .difficulty-hard{color:#dc2626}
.onboarding-new{z-index:600}
.onboarding-content{max-width:480px;text-align:center;padding:40px 36px}
.onboard-panel{display:flex;flex-direction:column;align-items:center;gap:16px}
.onboard-icon-wrap{margin-bottom:4px}
.onboarding-content h2{font-size:22px;font-weight:700;background:linear-gradient(135deg,#fff,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
[data-theme="studio"] .onboarding-content h2{background:linear-gradient(135deg,#1f2337,#6366f1);-webkit-background-clip:text;background-clip:text}
.onboarding-content p{font-size:14.5px;color:var(--text-2);line-height:1.6;max-width:360px}
.onboard-actions{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:4px}
.onboard-next,.onboard-start,.onboard-try{background:linear-gradient(135deg,var(--accent),#fd79a8);border:none;color:#fff;padding:10px 24px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:opacity .15s}
[data-theme="studio"] .onboard-next,[data-theme="studio"] .onboard-start,[data-theme="studio"] .onboard-try{background:linear-gradient(135deg,#6366f1,#ec4899)}
@media(hover:hover){.onboard-next:hover,.onboard-start:hover,.onboard-try:hover{opacity:.85}}
.onboard-skip{background:none;border:none;color:var(--text-3);font-size:13px;cursor:pointer;font-family:inherit;padding:6px 12px;transition:color .15s}
@media(hover:hover){.onboard-skip:hover{color:var(--text-1)}}
.onboard-dots{display:flex;gap:7px;justify-content:center;margin-top:4px}
.onboard-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.2);transition:.2s}
.onboard-dot.active{background:var(--accent);width:20px;border-radius:4px}
[data-theme="studio"] .onboard-dot{background:rgba(31,35,55,.15)}[data-theme="studio"] .onboard-dot.active{background:#6366f1}
.onboard-icons-row{display:flex;gap:20px;justify-content:center;margin-bottom:4px}
.onboard-feat{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;color:var(--text-2);font-weight:500}
.onboard-feat span:first-child{font-size:28px;line-height:1}
#learn-status,.learn-status{position:fixed;top:calc(116px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);z-index:110;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-pill);padding:6px 18px;font-size:13px;font-weight:600;color:var(--text-1);display:none;gap:10px;align-items:center;white-space:nowrap;max-width:calc(100vw - 24px);overflow:hidden;text-overflow:ellipsis}
#learn-status.active{display:flex}
#learn-status.error{border-color:rgba(255,71,87,.5);color:#ff4757}
#learn-status.complete{border-color:rgba(72,213,142,.5);color:#48d58e}

/* ============================================================
 * Material Drum — opt-in via ?material=on
 * ============================================================ */
#material-drum {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 1;
    perspective: 1800px;
    pointer-events: none;
}
#material-drum[hidden] { display: none; }

.md-drum-wrap {
    position: relative;
    width: min(640px, 92vw);
    height: min(640px, 92vw);
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
    will-change: transform;
    pointer-events: auto;
}

.md-drum-wrap.breathing {
    animation: mdDrumBreathe 8s ease-in-out infinite;
}
@keyframes mdDrumBreathe {
    0%, 100% { filter: brightness(1); }
    50%      { filter: brightness(1.04); }
}

.md-drum {
    position: relative;
    width: 100%;
    height: 100%;
    filter:
        drop-shadow(0 80px 80px rgba(0,0,0,0.6))
        drop-shadow(0 30px 40px rgba(124,111,255,0.15));
}
.md-drum svg { width: 100%; height: 100%; display: block; }

.md-glow-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    mix-blend-mode: screen;
}

.md-cymatics-canvas {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
[data-theme="studio"] .md-cymatics-canvas { display: none !important; }

/* Material mode is a faithful port of the prototype look: a single brushed-
 * metal SVG disc on a soft purple+pink+dark background, with cymatics +
 * glow ripple overlays. The legacy canvas (with its own background, drum
 * body, audio visualizer, sound waves, light pillars) is hidden so it
 * doesn't muddy the metal aesthetic. */
canvas#canvas { display: block; }
#material-drum { display: none; }
html.material-on canvas#canvas { display: none !important; }
html.material-on #material-drum { display: grid; z-index: 4; }
html.material-off canvas#canvas { display: block; }
html.material-off #material-drum { display: none; }
html.material-on body {
    background:
        radial-gradient(circle at 50% 40%, rgba(124,111,255,0.10), transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(253,121,168,0.06), transparent 60%),
        var(--bg-dark) !important;
}

/* Learn-mode highlights driven from CSS classes on per-tongue glow paths */
[data-md-tongue-glow].md-learn-target {
    animation: mdLearnPulse 1.4s ease-in-out infinite;
}
@keyframes mdLearnPulse {
    0%, 100% { opacity: 0.30; }
    50%      { opacity: 0.75; }
}
[data-md-tongue-glow].md-learn-wrong {
    fill: #ff4757 !important;
    animation: mdLearnFlash 0.6s ease-out;
}
@keyframes mdLearnFlash {
    0%   { opacity: 0; }
    20%  { opacity: 0.85; }
    100% { opacity: 0; }
}

/* Material picker — mirrors .theme-btn pattern */
.material-btn {
    appearance: none;
    border: 1.5px solid transparent;
    background: transparent;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    position: relative;
    transition: transform 0.2s ease;
}
.material-btn span {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}
.material-btn:hover { transform: scale(1.08); }
.material-btn.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(124, 111, 255, 0.25);
}
.material-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .md-drum-wrap, .md-drum-wrap.breathing { animation: none !important; transition: none !important; }
}

/* Mallet cursor — desktop only (hidden on coarse pointers) */
.md-mallet {
    position: fixed;
    top: 0; left: 0;
    width: 24px; height: 24px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.08);
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition:
        width 0.15s ease,
        height 0.15s ease,
        border-color 0.15s ease,
        background 0.15s ease;
    z-index: 9999;
    mix-blend-mode: difference;
}
.md-mallet.over-tongue {
    width: 16px; height: 16px;
    background: rgba(255,255,255,0.95);
    border-color: white;
}
.md-mallet.striking {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.4);
}
@media (pointer: coarse) {
    .md-mallet { display: none; }
}
html.md-mallet-on { cursor: none; }
html.md-mallet-on a, html.md-mallet-on button, html.md-mallet-on input, html.md-mallet-on select { cursor: none; }

/* Floating note name on strike */
.md-note-flash {
    position: fixed;
    pointer-events: none;
    font-family: 'Fredoka One', Inter, sans-serif;
    font-size: 22px;
    color: white;
    text-shadow: 0 0 20px currentColor;
    transform: translate(-50%, -50%);
    z-index: 9998;
    mix-blend-mode: screen;
    will-change: opacity, transform;
}

/* Hit-path focus ring (keyboard) */
[data-md-tongue]:focus-visible {
    outline: 2px solid #FD79A8;
    outline-offset: 2px;
}

/* Tongue note labels — etched into the metal surface */
.md-tongue-label {
    font-family: 'JetBrains Mono', 'Inter', monospace;
    font-size: 22px;
    font-weight: 600;
    fill: rgba(255, 255, 255, 0.62);
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.6);
    letter-spacing: 0.5px;
    user-select: none;
    -webkit-user-select: none;
    paint-order: stroke;
    stroke: rgba(0, 0, 0, 0.45);
    stroke-width: 0.6;
}

/* Floating material picker — top-right, mirrors prototype's chip */
#md-floating-picker {
    position: fixed;
    top: 120px;
    right: 24px;
    display: flex;
    gap: 6px;
    padding: 6px;
    background: rgba(8, 12, 30, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 50px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 50;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}
[data-theme="studio"] #md-floating-picker {
    background: rgba(255, 255, 255, 0.88);
    border-color: rgba(31, 35, 55, 0.12);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}
[data-theme="studio"] .md-floating-btn.active::after {
    border-color: rgba(31, 35, 55, 0.6);
}
.md-floating-btn {
    appearance: none;
    border: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    transition: transform 0.2s ease;
    position: relative;
}
.md-floating-btn:hover { transform: scale(1.12); }
.md-floating-btn.active::after {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1.5px solid white;
}
.md-floating-btn:focus-visible {
    outline: 2px solid #FD79A8;
    outline-offset: 3px;
}
@media (max-width: 600px) {
    #md-floating-picker { top: 116px; right: 12px; }
    .md-floating-btn { width: 24px; height: 24px; }
}

/* ============================================================
 * mobile UX fix: 44px touch targets (WCAG 2.5.5)
 * Apply on coarse-pointer devices (touchscreens) only so
 * desktop visual density is unchanged.
 * ============================================================ */
@media (pointer: coarse) {
    /* General action buttons */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    /* Small variant buttons */
    .btn-sm {
        min-height: 44px;
        min-width: 44px;
    }
    /* Scale quick-switch chips */
    .scale-chip {
        min-height: 44px;
        min-width: 44px;
    }
    /* Material colour picker circles (currently 36×36) */
    .material-btn {
        min-width: 44px;
        min-height: 44px;
    }
    /* Theme colour swatches (currently 44×44 — keep as-is, guard anyway) */
    .theme-btn {
        min-width: 44px;
        min-height: 44px;
    }
}

/* ============================================================
 * mobile UX fix: cookie banner padding
 * When the cookie banner is visible (display switched to flex
 * by JS) it sits at bottom:0 and can obscure #controls.
 * Use :has() to detect it; fall back to a safe static nudge
 * on older engines via the non-:has() rule below.
 * ============================================================ */

/* Push #controls above cookie banner when visible.
   Uses a class toggled by the cookie-banner JS rather than [style*="flex"]
   (which falsely matches "flex-wrap:wrap" in the inline style even when hidden). */
@supports selector(:has(*)) {
    body:has(#cookie-banner.cookie-banner-visible) #controls {
        bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    }
    body:has(#pwa-install-banner:not([hidden])) #controls {
        bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    }
}

/* Fallback: always add bottom margin on small touch screens
   (banner is gone after first consent so impact is minimal) */
@media (pointer: coarse) and (max-width: 640px) {
    #controls {
        margin-bottom: env(safe-area-inset-bottom, 0px);
    }
}
.sidebar-contact{margin-top:14px;padding-top:12px;border-top:1px solid var(--glass-border);display:flex;flex-direction:column;gap:6px}.sidebar-email{font-size:12px;color:var(--text-2);text-decoration:none;transition:color .2s}.sidebar-email:hover{color:var(--accent)}.sidebar-collab{font-size:11px;color:var(--text-3);letter-spacing:.4px;text-transform:uppercase}.sidebar-coffee{font-size:12px;color:var(--text-3);text-decoration:none;transition:color .2s}.sidebar-coffee:hover{color:#FFD32A}
.ctrl-coffee{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:16px;line-height:1;color:var(--text-3);min-width:36px;min-height:36px;transition:color .2s,transform .15s}.ctrl-coffee:hover{color:#FFD32A;transform:scale(1.08)}.ctrl-coffee:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (pointer:coarse){.ctrl-coffee{min-width:44px;min-height:44px}}
@media (max-width:380px){.ctrl-coffee{display:none}}

#pwa-install-banner{position:fixed;bottom:max(12px,env(safe-area-inset-bottom));right:max(12px,env(safe-area-inset-right));left:auto;z-index:200;display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius);box-shadow:0 8px 24px rgba(0,0,0,.4);color:var(--text-1);font-size:13px;max-width:calc(100vw - 24px);animation:pwa-slide-in .3s cubic-bezier(.4,0,.2,1)}
@keyframes pwa-slide-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
#pwa-install-banner[hidden]{display:none}
.pwa-install-dismiss{background:transparent;border:none;color:var(--text-3);font-size:20px;line-height:1;padding:4px 8px;cursor:pointer}
.pwa-install-dismiss:hover{color:var(--text-1)}
@media (max-width:600px){#pwa-install-banner{left:max(12px,env(safe-area-inset-left));right:max(12px,env(safe-area-inset-right));font-size:12px}}
.post-record-dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);margin:0;border:none;padding:0;background:transparent;max-width:90vw;width:420px;color:var(--text-1);cursor:default}
.post-record-dialog *{cursor:default}
.post-record-dialog button,.post-record-dialog a{cursor:pointer}
.post-record-dialog::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);cursor:default}
.post-record-content{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:16px;box-shadow:0 16px 48px rgba(0,0,0,.5)}
.post-record-header{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.post-record-header h3{font-size:16px;font-weight:600;margin:0}
.post-record-check{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--accent-green,#48D58E);color:#0a0e20;font-weight:700;font-size:16px}
.post-record-meta{font-size:12px;color:var(--text-3);margin-left:auto}
.post-record-actions{display:flex;gap:8px;flex-wrap:wrap}
.post-record-actions .btn{flex:1;min-width:90px;justify-content:center}
.btn-primary{background:linear-gradient(135deg,#7c6fff,#fd79a8);color:#fff;border:none}
.btn-primary:hover{filter:brightness(1.1)}
.post-record-close{align-self:flex-end;background:transparent;border:none;color:var(--text-3);font-size:12px;padding:6px 10px;cursor:pointer}
.post-record-close:hover{color:var(--text-1)}
@media (max-width:480px){.post-record-dialog{width:calc(100vw - 32px)}.post-record-actions .btn{flex:1 1 100%}}