.home-screen{display:flex;height:100vh;background:#0f0f1a;color:#e2e8f0;font-family:inherit}.sidebar{width:220px;background:#1a1a2e;border-right:1px solid #2d2d4e;display:flex;flex-direction:column;padding:20px 0;flex-shrink:0}.sidebar__logo{font-size:1.4rem;font-weight:700;padding:0 20px 20px;border-bottom:1px solid #2d2d4e;color:#60b8ff}.sidebar__menu{list-style:none;margin:0;padding:12px 0;flex:1}.sidebar__item{padding:10px 20px;cursor:pointer;border-radius:0;font-size:.9rem;color:#94a3b8;transition:all .15s}.sidebar__item:hover{background:#2d2d4e;color:#e2e8f0}.sidebar__item--active{background:#2d2d4e;color:#60b8ff;font-weight:600;border-left:3px solid #60b8ff}.sidebar__profile{display:flex;align-items:center;gap:10px;padding:16px 20px;border-top:1px solid #2d2d4e}.profile-avatar{font-size:1.5rem;width:36px;height:36px;background:#2d2d4e;border-radius:50%;display:flex;align-items:center;justify-content:center}.profile-name{font-size:.875rem;font-weight:600}.profile-level{font-size:.75rem;color:#facc15}.sidebar__profile .btn-icon{margin-left:auto;background:none;border:none;color:#94a3b8;cursor:pointer;font-size:1rem;padding:4px 6px}.sidebar__profile .btn-icon:hover{color:#f87171}.home-main{flex:1;overflow-y:auto;padding:32px}.home-header h1{font-size:1.6rem;margin:0 0 4px}.home-header__sub{color:#94a3b8;margin:0 0 28px}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:32px}.stat-card{background:#1a1a2e;border:1px solid #2d2d4e;border-radius:12px;padding:16px;text-align:center}.stat-card__value{font-size:1.6rem;font-weight:700;color:#60b8ff}.stat-card__label{font-size:.75rem;color:#94a3b8;margin-top:4px}.today-section{margin-bottom:32px}.today-section h2{font-size:1.1rem;margin:0 0 12px}.today-card{background:linear-gradient(135deg,#1e3a5f,#1a1a2e);border:1px solid #2d5a8e;border-radius:12px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:border-color .15s}.today-card:hover{border-color:#60b8ff}.today-card h3{margin:0 0 4px;font-size:1.1rem}.today-card p{color:#94a3b8;margin:0 0 10px;font-size:.875rem}.today-card__tags{display:flex;gap:8px;flex-wrap:wrap}.tag{background:#2d2d4e;color:#94a3b8;padding:2px 8px;border-radius:4px;font-size:.75rem}.recent-section{margin-bottom:32px}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-header h2{font-size:1.1rem;margin:0}.btn-text{background:none;border:none;color:#60b8ff;cursor:pointer;font-size:.875rem}.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.song-card{background:#1a1a2e;border:1px solid #2d2d4e;border-radius:12px;padding:16px;cursor:pointer;transition:border-color .15s,transform .1s}.song-card:hover{border-color:#60b8ff;transform:translateY(-2px)}.song-card__emoji{font-size:2rem;margin-bottom:8px}.song-card h4{margin:0 0 4px;font-size:.9rem}.song-card p{color:#94a3b8;margin:0 0 10px;font-size:.75rem}.difficulty-bar{display:flex;gap:3px}.difficulty-bar__dot{width:8px;height:8px;border-radius:2px;background:#2d2d4e}.difficulty-bar__dot--filled{background:#3b82f6}.library-screen{height:100vh;display:flex;flex-direction:column;background:#0f0f1a;color:#e2e8f0}.library-header{display:flex;align-items:center;gap:16px;padding:16px 24px;background:#1a1a2e;border-bottom:1px solid #2d2d4e;flex-shrink:0}.library-header h1{margin:0;font-size:1.2rem}.library-toolbar{display:flex;align-items:center;gap:12px;padding:12px 24px;background:#1a1a2e;border-bottom:1px solid #2d2d4e;flex-shrink:0;flex-wrap:wrap}.search-input{flex:1;min-width:200px;background:#2d2d4e;border:1px solid #3d3d5e;border-radius:8px;padding:8px 12px;color:#e2e8f0;font-size:.875rem}.search-input:focus{outline:none;border-color:#60b8ff}.genre-tabs{display:flex;gap:4px}.genre-tab{background:#2d2d4e;border:1px solid #3d3d5e;border-radius:20px;padding:4px 14px;color:#94a3b8;cursor:pointer;font-size:.8rem;transition:all .15s}.genre-tab--active{background:#3b82f6;border-color:#3b82f6;color:#fff}.sort-select{background:#2d2d4e;border:1px solid #3d3d5e;border-radius:8px;padding:6px 10px;color:#e2e8f0;font-size:.8rem}.library-list{flex:1;overflow-y:auto;padding:12px 24px}.library-empty{text-align:center;color:#94a3b8;padding:40px}.library-item{display:flex;align-items:center;gap:16px;padding:14px 16px;background:#1a1a2e;border:1px solid #2d2d4e;border-radius:10px;margin-bottom:8px;cursor:pointer;transition:border-color .15s}.library-item:hover{border-color:#3d3d5e}.library-item__icon{font-size:1.5rem}.library-item__info{flex:1}.library-item__info h3{margin:0 0 4px;font-size:.95rem}.library-item__info p{margin:0;font-size:.75rem;color:#94a3b8}.library-item__actions{display:flex;align-items:center;gap:8px}.btn-favorite{background:none;border:none;font-size:1.2rem;cursor:pointer;color:#94a3b8;line-height:1;padding:4px}.btn-favorite--active{color:#facc15}.btn{padding:6px 16px;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:.8rem;background:#2d2d4e;color:#e2e8f0}.btn-icon{background:none;border:none;color:#94a3b8;font-size:.9rem;cursor:pointer;padding:4px 8px}.sheet-score{width:100%;background:#1a1a2e;border-radius:8px;overflow:hidden}.sheet-score__canvas{width:100%}.sheet-score__canvas svg{filter:brightness(1.1)}.falling-notes{width:100%;height:100%;position:relative}.falling-notes__canvas{width:100%;height:100%;display:block}.piano-keyboard{position:relative;display:flex;align-items:stretch;height:100%;background:#111;-webkit-user-select:none;user-select:none;overflow:hidden}.piano-key{cursor:pointer;transition:background 60ms}.piano-key--white{flex:1;min-width:0;background:#f5f5f0;border-right:1px solid #999;border-bottom:3px solid #bbb;border-radius:0 0 4px 4px;box-sizing:border-box;z-index:1}.piano-key--white:last-of-type{border-right:none}.piano-key--white:hover{background:#e8e8e0}.piano-key--white.piano-key--active{background:#60b8ff;border-color:#3a8fd0}.piano-key--white.piano-key--highlight{background:#a8f5a8;border-color:#5cb85c}.piano-key--white.piano-key--active.piano-key--highlight{background:#60b8ff}.piano-keyboard__blacks{position:absolute;top:0;left:0;right:0;height:62%;pointer-events:none;z-index:2}.piano-key--black{position:absolute;height:100%;background:#1a1a1a;border:1px solid #000;border-top:none;border-radius:0 0 3px 3px;pointer-events:auto;box-sizing:border-box}.piano-key--black:hover{background:#333}.piano-key--black.piano-key--active{background:#2980d9}.piano-key--black.piano-key--highlight{background:#2d7a2d}.piano-key--black.piano-key--active.piano-key--highlight{background:#2980d9}.verdict-badge{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2rem;font-weight:800;letter-spacing:2px;padding:8px 24px;border-radius:8px;animation:badge-pop .6s ease forwards;pointer-events:none;z-index:100}@keyframes badge-pop{0%{opacity:0;transform:translate(-50%,-60%) scale(.6)}30%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}70%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-45%) scale(.9)}}.verdict-badge--perfect{color:#4ade80;text-shadow:0 0 20px #4ade80}.verdict-badge--good{color:#86efac;text-shadow:0 0 10px #86efac}.verdict-badge--late,.verdict-badge--early{color:#facc15;text-shadow:0 0 10px #facc15}.verdict-badge--miss{color:#f87171;text-shadow:0 0 10px #f87171}.verdict-badge--skip{color:#94a3b8}.practice-screen{display:flex;flex-direction:column;height:100vh;background:#0f0f1a;color:#e2e8f0}.practice-screen--loading{align-items:center;justify-content:center;font-size:1.2rem;color:#94a3b8}.practice-header{display:flex;align-items:center;gap:12px;padding:8px 16px;height:64px;background:#1a1a2e;border-bottom:1px solid #2d2d4e;flex-shrink:0}.practice-header__info{flex:1}.practice-header__info h2{font-size:1rem;font-weight:600;margin:0}.practice-header__info span{font-size:.75rem;color:#94a3b8}.practice-header__controls{display:flex;align-items:center;gap:8px}.practice-header__controls select{background:#2d2d4e;color:#e2e8f0;border:1px solid #3d3d5e;border-radius:6px;padding:4px 8px;font-size:.8rem;cursor:pointer}.bpm-badge{background:#2d2d4e;padding:4px 10px;border-radius:6px;font-size:.8rem;color:#94a3b8}.midi-badge{background:#2d2d4e;padding:4px 10px;border-radius:6px;font-size:.75rem;color:#64748b;white-space:nowrap;max-width:160px;overflow:hidden;text-overflow:ellipsis}.midi-badge--connected{color:#4ade80;border:1px solid #166534}.practice-header__score{text-align:right;min-width:80px}.score-display{font-size:1.6rem;font-weight:700;color:#60b8ff;line-height:1}.combo-display{font-size:.75rem;color:#facc15;font-weight:600}.practice-main{flex:1;overflow:hidden;min-height:0}.practice-footer{display:flex;flex-direction:column;height:160px;background:#1a1a2e;border-top:1px solid #2d2d4e;flex-shrink:0}.practice-piano{flex:1;overflow:hidden;min-height:0}.practice-controls{display:flex;align-items:center;justify-content:center;gap:12px;padding:8px;height:48px}.btn{padding:6px 20px;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:.875rem;background:#2d2d4e;color:#e2e8f0;transition:background .15s}.btn:hover{background:#3d3d5e}.btn-icon{background:none;border:none;color:#94a3b8;font-size:1.2rem;cursor:pointer;padding:4px 8px;border-radius:4px}.btn-icon:hover{color:#e2e8f0;background:#2d2d4e}.results-screen{height:100vh;display:flex;flex-direction:column;background:#0f0f1a;color:#e2e8f0}.results-screen--loading{align-items:center;justify-content:center}.results-header{display:flex;align-items:center;gap:16px;padding:16px 24px;background:#1a1a2e;border-bottom:1px solid #2d2d4e;flex-shrink:0}.results-header h1{margin:0;font-size:1.2rem}.results-content{flex:1;overflow-y:auto;padding:24px;max-width:600px;margin:0 auto;width:100%}.results-song-info{text-align:center;margin-bottom:20px}.results-song-info h2{margin:0 0 4px;font-size:1.3rem}.results-song-info p{color:#94a3b8;margin:0}.results-stars{display:flex;justify-content:center;gap:8px;margin-bottom:16px}.star{font-size:2.5rem;color:#2d2d4e;transition:color .3s}.star--filled{color:#facc15}.results-total-score{text-align:center;margin-bottom:28px}.results-total-score__value{font-size:4rem;font-weight:800;color:#60b8ff;line-height:1}.results-total-score__label{font-size:.875rem;color:#94a3b8;margin-top:4px}.score-breakdown{background:#1a1a2e;border:1px solid #2d2d4e;border-radius:12px;padding:16px;margin-bottom:20px;display:flex;flex-direction:column;gap:12px}.score-bar__label{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:4px}.score-bar__track{background:#2d2d4e;border-radius:4px;height:8px;overflow:hidden}.score-bar__fill{height:100%;border-radius:4px;transition:width .6s ease}.verdict-breakdown{background:#1a1a2e;border:1px solid #2d2d4e;border-radius:12px;padding:16px;margin-bottom:20px}.verdict-breakdown h3{margin:0 0 12px;font-size:.95rem}.verdict-grid{display:flex;flex-wrap:wrap;gap:8px}.verdict-chip{border:1px solid;border-radius:20px;padding:4px 14px;font-size:.8rem;display:flex;align-items:center;gap:6px}.verdict-chip__count{font-weight:700;color:#e2e8f0}.ai-comment{background:#1a2e1a;border:1px solid #2d4e2d;border-radius:12px;padding:16px;margin-bottom:24px}.ai-comment h3{margin:0 0 8px;font-size:.95rem}.ai-comment p{margin:0;color:#86efac;font-size:.875rem;line-height:1.5}.results-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.btn{padding:10px 24px;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:.875rem;background:#2d2d4e;color:#e2e8f0}.btn--primary:hover{background:#2563eb}.curriculum-screen{height:100vh;display:flex;flex-direction:column;background:#0f0f1a;color:#e2e8f0}.curriculum-header{display:flex;align-items:center;gap:16px;padding:16px 24px;background:#1a1a2e;border-bottom:1px solid #2d2d4e;flex-shrink:0}.curriculum-header h1{margin:0;flex:1;font-size:1.2rem}.xp-badge{background:#2d2d4e;color:#facc15;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600}.curriculum-content{flex:1;overflow-y:auto;padding:24px;max-width:680px;margin:0 auto;width:100%}.curriculum-intro{margin-bottom:28px}.curriculum-intro p{color:#94a3b8;margin:0 0 12px}.xp-progress__label{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:6px}.xp-progress__track{background:#2d2d4e;border-radius:4px;height:10px;overflow:hidden}.xp-progress__fill{height:100%;background:linear-gradient(90deg,#3b82f6,#60b8ff);border-radius:4px;transition:width .6s ease}.xp-progress__hint{font-size:.75rem;color:#94a3b8;margin:4px 0 0}.level-list{display:flex;flex-direction:column;gap:12px}.level-card{display:flex;align-items:center;gap:16px;background:#1a1a2e;border:1px solid #2d2d4e;border-radius:12px;padding:16px 20px}.level-card--locked{opacity:.5}.level-card__number{width:40px;height:40px;background:#2d2d4e;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;flex-shrink:0}.level-card__info{flex:1}.level-card__info h3{margin:0 0 4px;font-size:.95rem}.level-card__info p{margin:0;color:#94a3b8;font-size:.8rem}.level-card__req{color:#facc15!important;margin-top:4px!important}.lock-badge{background:#2d2d4e;color:#94a3b8;padding:4px 12px;border-radius:6px;font-size:.8rem}.btn{padding:8px 18px;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:.8rem;background:#2d2d4e;color:#e2e8f0}.settings-screen{height:100vh;display:flex;flex-direction:column;background:#0f0f1a;color:#e2e8f0}.settings-header{display:flex;align-items:center;gap:16px;padding:16px 24px;background:#1a1a2e;border-bottom:1px solid #2d2d4e;flex-shrink:0}.settings-header h1{margin:0;flex:1;font-size:1.2rem}.settings-content{flex:1;overflow-y:auto;padding:24px;max-width:560px;margin:0 auto;width:100%}.settings-section{background:#1a1a2e;border:1px solid #2d2d4e;border-radius:12px;padding:16px 20px;margin-bottom:16px}.settings-section h2{margin:0 0 16px;font-size:.95rem;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em}.settings-label{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;font-size:.875rem}.settings-input{background:#2d2d4e;border:1px solid #3d3d5e;border-radius:8px;padding:8px 12px;color:#e2e8f0;font-size:.875rem}.settings-input:focus{outline:none;border-color:#60b8ff}.settings-select{background:#2d2d4e;border:1px solid #3d3d5e;border-radius:8px;padding:8px 10px;color:#e2e8f0;font-size:.875rem;cursor:pointer}.settings-slider{-webkit-appearance:none;height:6px;border-radius:3px;background:#2d2d4e;cursor:pointer;outline:none}.settings-slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#3b82f6;cursor:pointer}.settings-range-labels{display:flex;justify-content:space-between;font-size:.7rem;color:#94a3b8}.settings-hint{font-size:.75rem;color:#facc15;margin:4px 0 0}.input-mode-group{display:flex;gap:8px;margin-bottom:14px}.input-mode-btn{flex:1;padding:10px;background:#2d2d4e;border:1px solid #3d3d5e;border-radius:8px;color:#94a3b8;cursor:pointer;font-size:.8rem;transition:all .15s}.input-mode-btn--active{background:#3b82f6;border-color:#3b82f6;color:#fff}.settings-info p{margin:4px 0;font-size:.8rem;color:#94a3b8}.midi-device-list{margin-top:8px}.midi-device-list__label{font-size:.78rem;color:#64748b;margin:0 0 8px;text-transform:uppercase;letter-spacing:.04em}.midi-device-item{display:flex;align-items:center;gap:8px;padding:6px 10px;background:#12122a;border:1px solid #2d2d4e;border-radius:8px;margin-bottom:6px}.midi-device-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 6px #4ade80;flex-shrink:0;animation:midi-pulse 1.8s infinite}@keyframes midi-pulse{0%,to{opacity:1}50%{opacity:.4}}.midi-device-name{flex:1;font-size:.85rem;color:#e2e8f0}.midi-device-toggle{padding:3px 10px;border-radius:6px;border:1px solid #3d3d5e;background:#2d2d4e;color:#64748b;cursor:pointer;font-size:.75rem;transition:all .15s}.midi-device-toggle--on{background:#1e2d1e;border-color:#4ade80;color:#4ade80}.midi-device-dot--off{background:#3d3d5e;box-shadow:none;animation:none}.settings-section--keyboard{max-width:100%}.settings-keyboard-wrap{height:100px;overflow:hidden;border-radius:8px;border:1px solid #2d2d4e}.btn{padding:8px 18px;border-radius:8px;border:none;cursor:pointer;font-weight:600;font-size:.875rem;background:#2d2d4e;color:#e2e8f0}.btn--primary{background:#3b82f6;color:#fff}.btn--danger{background:#ef4444;color:#fff}.btn--danger:hover{background:#dc2626}.freeplay-screen{height:100vh;display:flex;flex-direction:column;background:#0f0f1a;color:#e2e8f0}.freeplay-header{display:flex;align-items:center;gap:16px;padding:12px 20px;background:#1a1a2e;border-bottom:1px solid #2d2d4e;flex-shrink:0;height:56px}.freeplay-header h1{margin:0;font-size:1.1rem;flex:1}.freeplay-midi-status{display:flex;align-items:center;gap:7px;background:#2d2d4e;padding:5px 12px;border-radius:20px;font-size:.8rem;color:#64748b;border:1px solid transparent}.freeplay-midi-status--connected{color:#4ade80;border-color:#166834}.freeplay-midi-dot{width:8px;height:8px;border-radius:50%;background:#64748b;flex-shrink:0}.freeplay-midi-status--connected .freeplay-midi-dot{background:#4ade80;box-shadow:0 0 6px #4ade80;animation:pulse 1.8s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.freeplay-device-list{display:flex;flex-wrap:wrap;gap:8px;padding:8px 20px;background:#12122a;border-bottom:1px solid #2d2d4e;flex-shrink:0}.freeplay-device-chip{padding:4px 12px;border-radius:14px;font-size:.75rem;cursor:pointer;border:1px solid;transition:all .15s;font-family:inherit}.freeplay-device-chip--on{background:#1e2d1e;border-color:#4ade80;color:#4ade80}.freeplay-device-chip--off{background:#1a1a2e;border-color:#3d3d5e;color:#64748b}.freeplay-main{flex:1;display:flex;align-items:center;justify-content:center;min-height:0}.freeplay-note-display{text-align:center;min-height:60px;display:flex;align-items:center;justify-content:center}.freeplay-note-names{font-size:2.4rem;font-weight:700;color:#60b8ff;letter-spacing:.05em;transition:all .1s}.freeplay-note-hint{font-size:1rem;color:#3d3d5e}.freeplay-footer{flex-shrink:0;height:110px;background:#1a1a2e;border-top:1px solid #2d2d4e;overflow:hidden}.btn-icon{background:none;border:none;color:#94a3b8;cursor:pointer;padding:4px 8px;font-size:.9rem}.btn-icon:hover{color:#e2e8f0}.auth-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:#0f0f1a;color:#e2e8f0}.auth-card{width:100%;max-width:360px;background:#1a1a2e;border:1px solid #2d2d4e;border-radius:12px;padding:28px 24px}.auth-card h1{margin:0 0 4px;font-size:1.3rem;text-align:center}.auth-card__sub{margin:0 0 20px;text-align:center;font-size:.8rem;color:#94a3b8}.auth-label{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;font-size:.875rem}.auth-input{background:#2d2d4e;border:1px solid #3d3d5e;border-radius:8px;padding:10px 12px;color:#e2e8f0;font-size:.875rem}.auth-input:focus{outline:none;border-color:#60b8ff}.auth-error{color:#f87171;font-size:.8rem;margin:0 0 14px;text-align:center}.auth-submit{width:100%;padding:10px;border-radius:8px;border:none;background:#3b82f6;color:#fff;font-weight:600;font-size:.9rem;cursor:pointer;margin-top:4px}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-switch{margin-top:16px;text-align:center;font-size:.8rem;color:#94a3b8}.auth-switch button{background:none;border:none;color:#60b8ff;cursor:pointer;font-size:.8rem;padding:0}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;height:100%;overflow:hidden}body{font-family:Pretendard,Noto Sans KR,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0f0f1a;color:#e2e8f0;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#1a1a2e}::-webkit-scrollbar-thumb{background:#3d3d5e;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#5d5d7e}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #60b8ff;outline-offset:2px}