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14}.note-btn[data-pc="11"]{grid-column:13 / 15}.note-btn.selected{background:var(--accent)!important;color:#1a1a10!important;border-color:var(--accent-light)!important;box-shadow:0 0 12px var(--accent-glow);transform:scale(1.04)}.note-btn.selected .alt-name{color:#5a4a20!important;opacity:1}.note-btn.show-correct{background:var(--success)!important;color:#0a2a1a!important;border-color:var(--success)!important;box-shadow:0 0 12px var(--success-glow)}.note-btn.show-wrong{background:var(--error)!important;color:#fff!important;border-color:var(--error)!important;box-shadow:0 0 12px var(--error-glow)}.quiz-actions{display:flex;gap:10px}.action-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:none;border:1px solid var(--surface-3);color:var(--text-dim);border-radius:8px;cursor:pointer;font-family:inherit;font-size:13px;font-weight:500;transition:all 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.lucide{width:14px;height:14px}.results-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;max-width:400px;margin:0 auto;text-align:center}.results-title{font-family:Playfair Display,serif;font-size:36px;font-weight:800}.results-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%}.result-card{background:var(--surface);border:1px solid var(--surface-3);border-radius:12px;padding:16px;text-align:center}.result-card .value{font-size:32px;font-weight:700;color:var(--accent)}.result-card .value .lucide{width:28px;height:28px}.result-card .label{font-size:12px;color:var(--text-dim);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}.help-btn{background:none;border:1px solid var(--surface-3);color:var(--text-dim);width:38px;height:38px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}.help-btn:hover{border-color:var(--accent);color:var(--accent)}.help-btn .lucide{width:17px;height:17px}.help-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#000000b3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fadeIn .2s ease}.help-overlay.open{display:flex;align-items:center;justify-content:center}.help-panel{background:var(--surface);border:1px solid var(--surface-3);border-radius:18px;width:92%;max-width:420px;max-height:85vh;overflow-y:auto;padding:24px 20px;animation:popIn .25s ease;position:relative}.help-panel::-webkit-scrollbar{width:4px}.help-panel::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:4px}.help-close{position:absolute;top:14px;right:14px;background:none;border:none;color:var(--text-dim);cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .15s}.help-close:hover{background:var(--surface-2);color:var(--text)}.help-close .lucide{width:18px;height:18px}.help-title{font-family:Playfair Display,serif;font-size:22px;font-weight:700;margin-bottom:6px}.help-steps{margin:14px 0;display:flex;flex-direction:column;gap:12px}.help-step{display:flex;gap:12px;align-items:flex-start}.step-num{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#1a1a10;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.step-text{font-size:14px;line-height:1.5;color:var(--text)}.step-text strong{color:var(--accent-light)}.help-divider{border:none;border-top:1px solid var(--surface-3);margin:16px 0}.help-groups{display:flex;flex-direction:column;gap:10px}.help-group{border:1px solid var(--surface-3);border-radius:12px;padding:14px;transition:all .3s}.help-group.active-group{border-color:var(--accent);background:#e8a93e0f;box-shadow:0 0 16px #e8a93e1a}.help-group.active-group .group-badge{background:var(--accent);color:#1a1a10}.group-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.group-badge{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:3px 8px;border-radius:6px;background:var(--surface-2);color:var(--text-dim);transition:all .3s}.group-keys{display:flex;gap:4px}.key-dot{width:18px;height:12px;border-radius:3px;border:1px solid var(--surface-3)}.key-dot.w{background:var(--white-key-bg)}.key-dot.b{background:var(--black-key-bg);border-color:var(--black-key-border)}.group-chords{font-size:13px;color:var(--text-dim);margin-bottom:6px;font-weight:500}.group-rule{font-size:13px;color:var(--text);line-height:1.5}.group-rule strong{color:var(--accent-light);font-weight:600}.group-current{display:inline-block;margin-top:8px;font-size:12px;color:var(--accent);font-weight:600;animation:pulse 1.5s ease infinite}.learn-content{flex:1;display:flex;align-items:center;justify-content:center;max-width:440px;margin:0 auto;width:100%}.flash-card{width:100%;text-align:center;animation:fadeIn .3s ease}.flash-label{font-size:14px;color:var(--text-dim);margin-bottom:6px}.flash-chord{font-family:Playfair Display,serif;font-size:clamp(40px,10vw,60px);font-weight:800;line-height:1.1;margin-bottom:8px}.flash-think{font-size:15px;color:var(--text-dim);font-style:italic;margin-bottom:16px;animation:pulse 2s ease infinite}.flash-timer-bar{width:100%;height:4px;background:var(--surface-2);border-radius:4px;margin-bottom:20px;overflow:hidden}.flash-timer-fill{height:100%;background:var(--accent);border-radius:4px;width:0%;transition:width .1s linear}.flash-phrase{font-family:Playfair Display,serif;font-size:clamp(42px,11vw,56px);font-weight:900;letter-spacing:3px;margin-bottom:8px;animation:phraseReveal .5s cubic-bezier(.2,.8,.2,1);text-transform:lowercase;color:#fff;text-shadow:0 0 30px rgba(255,255,255,.3),0 0 60px rgba(232,169,62,.2);line-height:1.1}@keyframes phraseReveal{0%{transform:scale(.5);opacity:0;filter:blur(8px)}60%{transform:scale(1.08)}to{transform:scale(1);opacity:1;filter:blur(0)}}.flash-phrase-sub{font-size:12px;color:var(--text-dim);margin-bottom:2px}.flash-answer{font-size:16px;font-weight:500;color:var(--text-dim);margin-bottom:16px;letter-spacing:1px}.flash-card .note-grid{margin-bottom:16px;pointer-events:none}.flash-time{font-size:13px;color:var(--text-dim);margin-bottom:18px}.flash-rating-label{font-size:13px;color:var(--text-dim);margin-bottom:10px}.flash-rating-btns{display:flex;gap:8px;justify-content:center}.rating-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;border-radius:12px;border:1px solid var(--surface-3);background:var(--surface);color:var(--text);cursor:pointer;font-family:inherit;font-size:12px;font-weight:500;transition:all .15s;min-width:90px}.rating-btn:hover{transform:translateY(-2px)}.rating-icon{display:inline-flex;align-items:center;justify-content:center}.rating-icon .lucide{width:18px;height:18px}.rating-no{border-color:#f871714d}.rating-no:hover{background:#f871711a;border-color:var(--error)}.rating-no .rating-icon{color:var(--error)}.rating-slow{border-color:#facc154d}.rating-slow:hover{background:#facc151a;border-color:#facc15}.rating-slow .rating-icon{color:#facc15}.rating-yes{border-color:#34d3994d}.rating-yes:hover{background:#34d3991a;border-color:var(--success)}.rating-yes .rating-icon{color:var(--success)}.summary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;margin-bottom:20px;text-align:left}.summary-item{background:var(--surface);border:1px solid var(--surface-3);border-radius:10px;padding:10px 12px;animation:slideUp .3s ease backwards}.summary-item-name{font-weight:700;font-size:15px;margin-bottom:2px}.summary-item-notes{font-size:12px;color:var(--text-dim)}.summary-item-status{font-size:11px;font-weight:600;margin-top:4px}.summary-item.s-easy{border-color:var(--success)}.summary-item.s-easy .summary-item-status{color:var(--success)}.summary-item.s-slow{border-color:#facc15}.summary-item.s-slow .summary-item-status{color:#facc15}.summary-item.s-hard{border-color:var(--error)}.summary-item.s-hard .summary-item-status{color:var(--error)}.summary-item.s-new{border-color:var(--accent);border-style:dashed}.summary-item.s-new .summary-item-status{color:var(--accent)}.summary-msg{font-size:14px;color:var(--text-dim);margin-bottom:16px;line-height:1.5}@media(max-width:480px){.screen{padding:14px}.note-grid{max-width:100%}.chord-name{font-size:44px}.mode-card{padding:14px 16px}.ref-grid{grid-template-columns:1fr 1fr}}