:root{--bg:#121214;--surface:#1a1a1d;--line:#2c2c30;--text:#e8e6e3;--text-dim:#8a8890;--note:#4b4a52;--accent:#d4a04c;--accent-bright:#f0c674;--danger:#c0654f;--sans:-apple-system, system-ui, "Segoe UI", Roboto, sans-serif;--mono:"SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;font:16px/1.4 var(--sans);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0}#root{min-height:100svh}h1{letter-spacing:-.2px;margin:0;font-size:22px;font-weight:600}a{color:inherit;text-decoration:none}button{font-family:inherit}.page{max-width:480px;min-height:100svh;margin:0 auto;padding:20px 16px 48px}@media (width>=700px){.page{max-width:96vw;padding:28px 20px 56px}}.page-header{align-items:center;gap:12px;margin-bottom:24px;display:flex}.icon-link{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:20px;display:flex}.icon-link:active{background:var(--surface)}.header-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.lang-toggle{border:1px solid var(--line);border-radius:8px;display:flex;overflow:hidden}.lang-toggle-btn{background:var(--surface);color:var(--text-dim);border:none;padding:7px 11px;font-size:12px;font-weight:600}.lang-toggle-btn+.lang-toggle-btn{border-left:1px solid var(--line)}.lang-toggle-btn.active{background:var(--accent);color:#161614}.exercise-section{margin-bottom:28px}.section-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.4px;margin:0 0 10px;font-size:14px;font-weight:600}.exercise-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.exercise-row{background:var(--surface);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.exercise-row--mastered{border-color:var(--accent-bright);background:linear-gradient(135deg,#f0c67424,#f0c67408);box-shadow:0 0 0 1px #f0c67440}.mastery-medal{font-size:13px}.exercise-row-main{align-items:baseline;gap:8px;display:flex}.exercise-name{font-size:16px;font-weight:500}.exercise-key{color:var(--text-dim);font-size:13px}.exercise-row-meta{flex-direction:column;align-items:flex-end;gap:4px;display:flex}.exercise-bpm{color:var(--text-dim);font-size:13px}.status-badge{letter-spacing:.2px;border-radius:20px;padding:2px 8px;font-size:11px}.status-not_started{color:var(--text-dim);background:0 0}.status-in_progress{color:var(--accent);background:#d4a04c26}.status-mastered{color:#161614;background:#d4a04ce6}.page{--tier-accent:var(--accent);--tier-accent-bright:var(--accent-bright)}.page.tier-1{--tier-accent:#4c93c4;--tier-accent-bright:#7ec2ec}.page.tier-2{--tier-accent:#9070c9;--tier-accent-bright:#b79cec}.page.tier-3{--tier-accent:#e8b93f;--tier-accent-bright:#ffd35c}.exercise-title{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}@keyframes mostro-shimmer{to{background-position:-200% 0}}.page.tier-3 .exercise-title h1{background:linear-gradient(90deg, var(--tier-accent) 0%, var(--tier-accent-bright) 25%, var(--tier-accent) 50%, var(--tier-accent-bright) 75%, var(--tier-accent) 100%);color:#0000;background-size:200%;-webkit-background-clip:text;background-clip:text;animation:3.5s linear infinite mostro-shimmer}.exercise-key-large{color:var(--text-dim);font-size:15px}.scale-description{color:var(--text-dim);margin:0 0 16px;font-size:13px}.goal-card{background:var(--surface);border:1px solid var(--tier-accent);border-radius:14px;flex-direction:column;gap:8px;margin-bottom:16px;padding:14px 16px;display:flex}.goal-card-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.goal-card-stage{color:var(--text-dim);text-transform:uppercase;letter-spacing:.4px;font-size:12px;font-weight:600}.goal-card-ready{color:var(--tier-accent);background:color-mix(in srgb, var(--tier-accent) 15%, transparent);white-space:nowrap;border-radius:20px;flex-shrink:0;padding:3px 10px;font-size:11px;font-weight:600}.goal-card-target{color:var(--text);margin:0;font-size:15px;font-weight:600}.stage-progress{margin-top:2px}.stage-progress-track{background:var(--line);border-radius:4px;height:6px;overflow:hidden}.stage-progress-fill{background:var(--tier-accent);border-radius:4px;height:100%;transition:width .25s}.stage-progress-label{color:var(--text-dim);font-size:12px;font-family:var(--mono);margin-top:4px}.position-selector{margin:16px 0}.position-selector-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.4px;margin:0 0 8px;font-size:13px;font-weight:600}.position-selector-grid{flex-wrap:wrap;gap:6px;display:flex}.position-button{background:var(--surface);border:1px solid var(--line);color:var(--text-dim);border-radius:8px;padding:8px 10px;font-size:12px}.position-button.active{border-color:var(--accent);color:var(--accent);background:#d4a04c1f}.mode-selector{margin:16px 0}.mode-selector-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.4px;margin:0 0 8px;font-size:13px;font-weight:600}.mode-selector-grid{flex-wrap:wrap;gap:6px;display:flex}.mode-button{background:var(--surface);border:1px solid var(--line);color:var(--text-dim);border-radius:8px;padding:8px 10px;font-size:12px}.mode-button.active{border-color:var(--accent);color:var(--accent);background:#d4a04c1f}.stage-tracker{flex-direction:column;gap:6px;margin:16px 0 0;padding:0;list-style:none;display:flex}.stage-item{color:var(--text-dim);border-radius:8px;align-items:flex-start;gap:10px;padding:10px 12px;font-size:13px;display:flex}.stage-item-body{flex:1;min-width:0}.stage-item-top{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.stage-target{font-size:12px;font-family:var(--mono);color:var(--text-dim);flex-shrink:0}.stage-best{color:var(--tier-accent);margin-top:4px;font-size:11px;display:inline-block}.stage-item.stage-current{background:color-mix(in srgb, var(--tier-accent) 12%, transparent);color:var(--text)}.stage-item.stage-current .stage-target,.stage-item.stage-mastered{color:var(--tier-accent)}.stage-item.stage-locked{opacity:.45}.stage-marker{text-align:center;flex-shrink:0;width:18px;margin-top:1px}.stage-note{color:var(--text-dim);background:var(--surface);border:1px solid var(--line);border-radius:10px;margin:14px 0;padding:12px 14px;font-size:13px}.note-volume-row{align-items:center;gap:10px;margin-top:10px;display:flex}.note-volume-label{color:var(--text-dim);white-space:nowrap;font-size:12px}.note-volume-slider{accent-color:var(--accent);flex:1}.fixed-subdivision-label{text-align:center;color:var(--accent);background:#d4a04c1a;border-radius:10px;margin:0 0 16px;padding:10px;font-size:13px}.subdivision-selector{gap:8px;margin-bottom:16px;display:flex}.subdivision-button{background:var(--surface);border:1px solid var(--line);color:var(--text-dim);border-radius:10px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:10px 6px;font-size:12px;display:flex}.subdivision-symbol{font-size:17px;font-family:var(--mono)}.subdivision-button.active{border-color:var(--accent);color:var(--accent);background:#d4a04c1f}.bpm-panel{justify-content:center;align-items:center;gap:20px;margin:20px 0 4px;display:flex}.bpm-step{background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:50%;width:44px;height:44px;font-size:22px;line-height:1}.bpm-step:active{background:var(--line)}.bpm-display{justify-content:center;align-items:baseline;gap:6px;min-width:110px;display:flex}.bpm-value{letter-spacing:-1px;font-size:48px;font-weight:600;font-family:var(--mono);cursor:pointer;border-bottom:1px dashed #0000}.bpm-value:hover{border-bottom-color:var(--text-dim)}.page.tier-3 .bpm-value{color:var(--tier-accent-bright);text-shadow:0 0 20px color-mix(in srgb, var(--tier-accent-bright) 55%, transparent)}.bpm-value-input{letter-spacing:-1px;width:110px;font-size:48px;font-weight:600;font-family:var(--mono);border:none;border-bottom:1px solid var(--accent);color:var(--text);text-align:center;background:0 0}.bpm-value-input:focus{outline:none}.bpm-unit{color:var(--text-dim);font-size:14px}.nps-readout{text-align:center;color:var(--text-dim);margin:0 0 8px;font-size:13px}.slow-warning{color:var(--accent);background:#d4a04c1a;border-radius:10px;margin-bottom:12px;padding:10px 14px;font-size:13px}.play-button-wide{background:var(--accent);color:#161614;border:none;border-radius:12px;width:100%;margin-bottom:16px;padding:14px;font-size:15px;font-weight:600;display:block}.play-button-wide:active{background:var(--accent-bright)}.clean-button{background:var(--surface);border:1px solid var(--tier-accent);width:100%;color:var(--tier-accent);border-radius:12px;margin-top:8px;padding:14px;font-size:15px;font-weight:500;display:block}.clean-button:active{background:color-mix(in srgb, var(--tier-accent) 12%, transparent)}@keyframes banner-pop{0%{opacity:0;transform:scale(.92)translateY(6px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes mostro-glow-pulse{0%,to{box-shadow:0 0 #0000}35%{box-shadow:0 0 32px 6px color-mix(in srgb, var(--tier-accent-bright) 45%, transparent)}}.mastered-banner{text-align:center;background:color-mix(in srgb, var(--tier-accent) 8%, var(--surface));border:1px solid var(--tier-accent);border-radius:12px;margin-top:20px;padding:16px;animation:.4s ease-out banner-pop}.mastered-banner--mostro{background:linear-gradient(135deg, color-mix(in srgb, var(--tier-accent) 20%, var(--surface)), color-mix(in srgb, var(--tier-accent-bright) 10%, var(--surface)));border-color:var(--tier-accent-bright);animation:.4s ease-out banner-pop,1.3s ease-out mostro-glow-pulse}.mastered-banner p{margin:0 0 12px;font-size:15px}.next-button{background:var(--accent);color:#161614;border:none;border-radius:10px;padding:10px 18px;font-size:14px;font-weight:600;display:inline-block}.settings-list{flex-direction:column;gap:4px;display:flex}.settings-row{background:var(--surface);border:1px solid var(--line);border-radius:10px;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.settings-row input[type=number]{background:var(--bg);border:1px solid var(--line);width:64px;color:var(--text);text-align:center;border-radius:6px;padding:6px 8px;font-size:14px}.settings-row input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent)}.settings-row input[type=range]{width:140px;accent-color:var(--accent)}.reset-button{border:1px solid var(--line);width:100%;color:var(--text-dim);background:0 0;border-radius:10px;margin-top:20px;padding:12px;font-size:14px}.reset-button--danger{border-color:var(--danger);color:var(--danger);margin-top:12px}.reset-button--danger:active{background:#c0654f1f}.feedback-note{text-align:center;color:var(--text-dim);margin-top:14px;font-size:14px}.modal-overlay{z-index:10;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-card{background:var(--surface);border:1px solid var(--line);text-align:center;border-radius:14px;width:100%;max-width:360px;padding:20px}.modal-card p{margin:0 0 16px;font-size:16px}.modal-actions{gap:10px;display:flex}.modal-button{border:1px solid var(--line);border-radius:10px;flex:1;padding:12px;font-size:14px;font-weight:600}.modal-button-secondary{color:var(--text-dim);background:0 0}.modal-button-primary{background:var(--accent);border-color:var(--accent);color:#161614}.modal-button-danger{background:var(--danger);border-color:var(--danger);color:#161614}