:root{--color-interval-0: #f44b42;--color-interval-1: #f48942;--color-interval-2: #f4bf42;--color-interval-3: #f4ee42;--color-interval-4: #8cf442;--color-interval-5: #42f4bf;--color-interval-6: #42d4f4;--color-interval-7: #429ef4;--color-interval-8: #e542f4;--color-interval-9: #f44289;--color-interval-10: #ff8282;--color-interval-11: #ff82fc}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;border-radius:0!important}html,body{width:100%;min-height:100%;background:var(--color-page, #1A2535);color:var(--color-text-primary, #EAF7F9);font-family:Share Tech Mono,VT323,monospace;font-size:14px}body{overflow:hidden}button,input,select,textarea{font-family:inherit;font-size:inherit;background:var(--color-button);color:var(--color-text-primary);border:1px solid var(--color-border);outline:none;cursor:pointer}button:hover{background:var(--color-raised);border-color:var(--color-border-mid)}select{background:var(--color-button);color:var(--color-text-primary);border:1px solid var(--color-border);padding:3px 6px;cursor:pointer}select:hover{border-color:var(--color-border-mid)}optgroup{background:var(--color-surface);color:var(--color-text-secondary)}option{background:var(--color-surface);color:var(--color-text-primary)}#app-root{background:var(--color-page);display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:6px 16px;background:var(--color-surface);border-bottom:1px solid var(--color-border);height:50px;flex-shrink:0}.header-title{flex-shrink:0}.header-logo{font-family:VT323,monospace;font-size:24px;color:var(--color-tonic);letter-spacing:2px;text-transform:uppercase}.header-controls{display:flex;align-items:center;gap:8px;flex:1}.header-select-label{display:flex;align-items:center;gap:4px;white-space:nowrap}.header-select-text{font-size:13px;color:var(--color-text-secondary)}.header-select{padding:4px 6px;font-size:14px;min-width:150px}.header-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.header-btn{display:flex;align-items:center;gap:5px;padding:6px 12px;font-size:14px;background:var(--color-button);border:1px solid var(--color-border)}.header-btn:hover{background:var(--color-raised);border-color:var(--color-border-mid)}.midi-indicator{display:flex;align-items:center;gap:4px;padding:4px 8px;font-size:11px;color:var(--color-text-faint);border:1px solid var(--color-border);background:var(--color-surface)}.midi-indicator--connected{color:var(--color-text-primary);border-color:var(--color-scale-note-stroke)}.midi-dot{width:8px;height:8px;border-radius:50%!important;background:var(--color-text-faint);flex-shrink:0}.midi-indicator--connected .midi-dot{background:var(--color-scale-note-stroke)}.midi-label{font-size:11px}.app-main{display:flex;justify-content:center}.app-col{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:8px}.app-col--left{width:576px;flex-shrink:0;gap:8px}.app-col--center{width:260px;flex-shrink:0;min-width:0;overflow:hidden;padding:8px 12px}.app-col--right{width:576px;flex-shrink:0;border-right:none}.app-fretboard{background:var(--color-page);padding:8px 12px;width:1412px;margin:0 auto}.app-footer{padding:8px 16px;text-align:center;font-size:11px;color:var(--color-text-faint)}.app-footer a{color:var(--color-text-secondary);text-decoration:none}.app-footer a:hover{color:var(--color-text-primary)}.tonic-selector{display:flex;flex-direction:column;gap:6px;align-items:center;width:100%}.tonic-grid{display:flex;flex-direction:column;gap:4px}.tonic-row{display:flex;align-items:center;gap:4px}.tonic-row-label{width:14px;text-align:right;font-size:11px;color:var(--color-text-faint);margin-right:2px}.tonic-btn{width:44px;height:28px;font-size:14px;text-align:center;background:var(--color-button);border:1px solid var(--color-border);color:var(--color-text-secondary);transition:background .1s}.tonic-btn:hover:not(:disabled){background:var(--color-raised);border-color:var(--color-border-mid);color:var(--color-text-primary)}.tonic-btn--selected{background:var(--color-tonic)!important;border-color:var(--color-tonic)!important;color:#000!important}.tonic-btn--disabled{opacity:.2;cursor:not-allowed}.key-signature{display:flex;align-items:center;gap:4px;font-size:12px}.key-sig-label{color:var(--color-text-faint)}.key-sig-value{color:var(--color-text-primary);font-size:14px}.mode-list{width:100%;margin-top:16px}.mode-list-title{font-family:VT323,monospace;font-size:18px;color:var(--color-tonic);margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--color-border)}.mode-list-items{display:flex;flex-direction:column;gap:3px}.mode-btn{display:flex;align-items:center;gap:8px;padding:6px 10px;width:100%;text-align:left;background:var(--color-button);border:1px solid var(--color-border);color:var(--color-text-secondary);font-size:13px;transition:background .1s}.mode-btn:hover{background:var(--color-raised);border-color:var(--color-border-mid);color:var(--color-text-primary)}.mode-btn--selected{background:var(--color-mode-selected)!important;border-color:var(--color-mode-selected)!important;color:var(--color-text-primary)!important}.mode-btn-num{font-size:10px;color:var(--color-text-faint);width:14px;text-align:right;flex-shrink:0}.mode-btn--selected .mode-btn-num{color:var(--color-text-secondary)}.mode-btn-label{flex:1}.chord-extension-toggle{display:flex;flex-direction:column;gap:4px;align-items:center;width:100%;margin-top:16px}.chord-extension-label{font-size:11px;color:var(--color-text-faint)}.chord-extension-buttons{display:flex;gap:2px}.chord-ext-btn{padding:3px 10px;font-size:11px;background:var(--color-button);border:1px solid var(--color-border);color:var(--color-text-secondary);transition:background .1s}.chord-ext-btn:hover{background:var(--color-raised);border-color:var(--color-border-mid)}.chord-ext-btn--active{background:var(--color-mode-selected)!important;border-color:var(--color-mode-selected)!important;color:var(--color-text-primary)!important}.guide-text{font-size:14px;color:var(--color-text-secondary);line-height:1.7}.guide-text strong{color:var(--color-text-primary)}.guide-text a{color:var(--color-text-secondary);text-decoration:underline}.guide-text a:hover{color:var(--color-text-primary)}.guide-list{list-style:none;display:flex;flex-direction:column;gap:4px;padding-left:8px}.guide-list li{font-size:14px;color:var(--color-text-secondary);line-height:1.6}.guide-list li:before{content:"›  ";color:var(--color-tonic)}.guide-list li strong{color:var(--color-text-primary)}.ring-seg{transition:filter .1s;will-change:filter}.ring-seg:hover{filter:brightness(1.5)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-panel{background:var(--color-surface);border:1px solid var(--color-border-mid);min-width:400px;max-width:780px;width:90%;max-height:85vh;display:flex;flex-direction:column;overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--color-raised);border-bottom:1px solid var(--color-border);flex-shrink:0}.modal-title{font-family:VT323,monospace;font-size:20px;color:var(--color-text-primary);letter-spacing:1px}.modal-close-btn{background:transparent;border:none;color:var(--color-text-secondary);font-size:20px;line-height:1;padding:0 4px;cursor:pointer}.modal-close-btn:hover{color:var(--color-text-primary);background:transparent}.modal-body{padding:20px 24px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}.settings-section{display:flex;flex-direction:column;gap:8px}.settings-section-title{font-size:11px;color:var(--color-text-faint);text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid var(--color-border);padding-bottom:4px}.settings-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.settings-label{font-size:12px;color:var(--color-text-secondary);display:flex;align-items:center;gap:6px}.settings-label--faint{opacity:.6}.settings-checkbox-label{display:flex;align-items:center;gap:6px;font-size:12px;cursor:pointer}.settings-checkbox-label input[type=checkbox]{width:14px;height:14px;cursor:pointer;accent-color:var(--color-mode-selected)}.settings-btn{padding:5px 12px;font-size:12px;background:var(--color-button);border:1px solid var(--color-border);color:var(--color-text-secondary)}.settings-btn:hover{background:var(--color-raised);border-color:var(--color-border-mid);color:var(--color-text-primary)}.settings-btn--active{background:var(--color-mode-selected)!important;border-color:var(--color-mode-selected)!important;color:var(--color-text-primary)!important}.settings-btn--primary{background:var(--color-tonic);border-color:var(--color-tonic);color:#000}.settings-btn--primary:hover{opacity:.85}.settings-input{width:60px;padding:3px 6px;background:var(--color-button);border:1px solid var(--color-border);color:var(--color-text-primary);font-family:inherit;font-size:12px;-moz-appearance:textfield}.settings-input::-webkit-inner-spin-button,.settings-input::-webkit-outer-spin-button{-webkit-appearance:none}#print-root{display:none}.print-header{padding:12px;font-family:monospace}.print-header h2{font-size:18px;margin-bottom:4px}.print-header p{font-size:12px;color:#666}.print-legend{display:flex;gap:20px;padding:8px 12px;font-family:monospace;font-size:11px;color:#333}.print-legend-item{display:flex;align-items:center;gap:5px}.print-legend-dot{display:inline-block;width:12px;height:12px;border-radius:50%;flex-shrink:0}@media print{#app-root,.modal-overlay{display:none!important}#print-root{display:block!important;position:static;width:100%}}@page{size:landscape;margin:10mm}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-surface)}::-webkit-scrollbar-thumb{background:var(--color-border-mid)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-faint)}