:root,[data-theme=dark]{--font-main: "Itim", monospace;--font-display: "Itim", monospace;--legend-root: #fbbf24;--legend-chord: #4ade80;--legend-accent: #60a5fa;--legend-ghost: #cbd5e1;--legend-other: #a78bfa;--topbar-bg: #0f172a;--topbar-border: rgba(99, 102, 241, .1);--topbar-height: 28px;--accent: #f59e0b;--accent-hover: #d97706;--text-primary: #f1f5f9;--text-muted: #b7d1f6;--flyout-bg: #1e293b;--flyout-border: rgba(99, 102, 241, .15);--dropdown-bg: #334155;--dropdown-hover: #475569;--bg-sidebar: linear-gradient(180deg, #2a2a32, #1e1e24);--bg-main: #a1a1a1;--bg-fretboard: #111;--bg-fretboard-card: transparent;--bg-highlight: #1a1a1a;--text-secondary: #9ca3af;--border-color: rgba(255, 255, 255, .1);--string-color: rgba(255, 255, 255, .1);--fret-color: #444444;--nut-color: black;--note-inactive-bg: #2e2d2d00;--note-inactive-color: #aaaaaa53;--note-active-bg: #1a1a1a;--shadow-color: rgba(0, 0, 0, .4);--color-C: #ff4444;--color-A: #ff8800;--color-G: #ffff00;--color-E: #00ff00;--color-D: #00ffff;--cell-width-base: 50px;--cell-height-base: 55px;--note-size-base: 30px;--note-size-secondary-base: 24px;--note-size-inactive-base: 20px;--fret-marker-width-base: 38px;--string-label-size-base: 32px;--note-font-base: 15px;--note-font-secondary-base: 13px;--note-font-inactive-base: 12px;--num-strings: 6;--radius: 8px;--glow: none}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-main);background:radial-gradient(ellipse at left,#1c556d,#0c2c3b);background-attachment:fixed;color:var(--text-primary);-webkit-font-smoothing:antialiased}.grid-container{display:flex;flex-direction:column;min-height:100vh;width:100%;background:transparent;--ui-scale: 1;--cell-width: calc(var(--cell-width-base) * var(--ui-scale));--cell-height: calc(var(--cell-height-base) * var(--ui-scale));--note-size: calc(var(--note-size-base) * var(--ui-scale));--note-size-secondary: calc(var(--note-size-secondary-base) * var(--ui-scale));--note-size-inactive: 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var(--flyout-border)}.onboarding-title{font-size:20px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.onboarding-subtitle{font-size:14px;color:var(--text-muted)}.onboarding-content{padding:20px 24px}.onboarding-section{margin-bottom:20px}.onboarding-section:last-child{margin-bottom:0}.onboarding-section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:12px}.onboarding-steps{display:flex;flex-direction:column;gap:12px}.onboarding-step{display:flex;align-items:flex-start;gap:12px}.step-number{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#000;font-size:12px;font-weight:700;border-radius:50%;flex-shrink:0}.step-content{display:flex;flex-direction:column;gap:2px}.step-content strong{font-size:13px;font-weight:600;color:var(--text-primary)}.step-content span{font-size:12px;color:var(--text-muted)}.onboarding-multi-intro{font-size:13px;color:var(--text-secondary);margin:0 0 8px}.onboarding-tips{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.onboarding-tips li{font-size:13px;color:var(--text-primary);padding-left:16px;position:relative}.onboarding-tips li:before{content:"→";position:absolute;left:0;color:var(--accent)}.onboarding-tips strong{color:var(--accent)}.onboarding-footer{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--flyout-border);background:#0003;border-radius:0 0 12px 12px}.onboarding-checkbox{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted);cursor:pointer}.onboarding-checkbox input{cursor:pointer}.onboarding-btn{padding:10px 20px;font-family:inherit;font-size:13px;font-weight:600;background:var(--accent);border:none;border-radius:6px;color:#000;cursor:pointer;transition:all .15s ease}.onboarding-btn:hover{filter:brightness(1.1)}.fretboard-container{display:flex;flex-direction:column}.string-labels{display:grid;grid-template-columns:repeat(var(--num-strings),var(--cell-width));margin-left:var(--fret-marker-width);width:fit-content;align-items:center;background:#000000e5;padding:4px 0}.string-label{font-size:var(--note-font);font-weight:600;color:#444;transition:all .15s ease;display:flex;align-items:center;justify-content:center;height:calc(var(--string-label-size) * .6);width:calc(var(--string-label-size) * .6);margin:0 auto}.string-label.open-active .string-label-text{color:currentColor}.fretboard-wrapper,.fretboard-wrapper-inner{display:flex}.fretboard{display:flex;flex-direction:column;background:var(--bg-fretboard);overflow:hidden;position:relative}.shape-preview-overlay{position:absolute;left:0;right:0;top:var(--preview-top);height:var(--preview-height);border:2px dashed currentColor;border-radius:8px;pointer-events:none;z-index:5;opacity:.7;background:rgb(from currentColor r g b / .05)}.triad-cluster-overlay{position:absolute;pointer-events:none;z-index:1;border-radius:12px;opacity:.35;background:currentColor;left:calc(var(--cluster-min-string) * var(--cell-width) + var(--cell-width) * .15);width:calc((var(--cluster-max-string) - var(--cluster-min-string) + 1) * var(--cell-width) - var(--cell-width) * .3);top:var(--cluster-top);height:var(--cluster-height)}.fret-markers{display:flex;flex-direction:column;width:var(--fret-marker-width);padding-right:calc(10px * var(--ui-scale));text-align:right}.fret-markers.fret-markers-right{padding-right:0;padding-left:calc(10px * var(--ui-scale));text-align:left}.fret-markers.fret-markers-right .fret-marker-label{justify-content:flex-start}.fret-row{display:grid;grid-template-columns:repeat(var(--num-strings),var(--cell-width));height:calc(var(--cell-height) * var(--fret-scale, 1));border-bottom:1px solid var(--fret-color);position:relative}.fret-row:first-child{border-top:4px solid var(--nut-color)}.fret-row:last-child{border-bottom:none}.fret-row.fret-marker-row{background:var(--bg-highlight)}.fret-row[data-fret="3"]:before,.fret-row[data-fret="5"]:before,.fret-row[data-fret="7"]:before,.fret-row[data-fret="9"]:before,.fret-row[data-fret="15"]:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:10px;height:10px;border-radius:50%;background:#fff;opacity:.1;pointer-events:none;z-index:0}.fret-row[data-fret="12"]:before,.fret-row[data-fret="12"]:after{content:"";position:absolute;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#fff;opacity:.1;pointer-events:none;z-index:0}.fret-row[data-fret="12"]:before{left:calc(50% - 65px)}.fret-row[data-fret="12"]:after{left:calc(50% + 55px)}.fret-cell{position:relative;display:flex;align-items:center;justify-content:center}.fret-cell:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:var(--string-color);transform:translate(-50%)}.fret-marker-label{height:calc(var(--cell-height) * var(--fret-scale, 1));display:flex;align-items:center;justify-content:flex-end;font-size:var(--note-font);font-weight:900;color:#f1af64}.fret-marker-label.fret-minor{color:#65648a}.note-marker{position:relative;width:var(--note-size-inactive);height:var(--note-size-inactive);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--note-font-inactive);font-weight:600;z-index:1;background:var(--note-inactive-bg);color:var(--note-inactive-color);transition:width .15s ease,height .15s ease,background .15s ease,border .15s ease,font-size .15s ease,box-shadow .15s ease,opacity .15s ease}.note-marker.active{width:var(--note-size);height:var(--note-size);background:currentColor;border:1px solid currentColor;font-size:var(--note-font);box-shadow:var(--glow)}.note-marker.active .note-text{color:#1a1a1a}.note-marker.active.root{background:#1a1a1a;border:2px solid currentColor}.note-marker.active.root .note-text{color:#fff}.note-badge{position:absolute;top:-8px;right:-8px;font-size:11px;font-weight:600;background:#000000bf;color:#fff;padding:2px 5px;border-radius:4px;line-height:1;pointer-events:none}.note-marker.secondary{width:var(--note-size-secondary);height:var(--note-size-secondary);background:currentColor;border:1px solid currentColor;opacity:.5;font-size:var(--note-font-secondary);cursor:pointer}.note-marker.secondary .note-text{color:#1a1a1a}.note-marker.secondary.root{background:#1a1a1a;font-size:var(--note-font);border:1px solid currentColor}.note-marker.secondary.root .note-text{color:#fff}.note-marker.ghosted{width:var(--note-size-secondary);height:var(--note-size-secondary);background:currentColor;border:1px dashed currentColor;opacity:.2;cursor:pointer;font-size:calc(var(--note-font-secondary) * .9)}.note-marker.ghosted .note-text{color:#1a1a1a}.note-marker.hidden{visibility:hidden}.note-marker.secondary-hidden{width:var(--note-size-inactive);height:var(--note-size-inactive);background:var(--note-inactive-bg);border:1px solid rgb(from currentColor r g b / .2);font-size:var(--note-font-inactive);cursor:pointer}.note-marker.secondary-hidden .note-text{color:var(--note-inactive-color)}.note-marker.ghosted-hidden{width:var(--note-size-inactive);height:var(--note-size-inactive);background:var(--note-inactive-bg);border:1px solid rgb(from currentColor r g b / .2);font-size:var(--note-font-inactive);cursor:pointer}.note-marker.ghosted-hidden .note-text{color:var(--note-inactive-color)}.note-marker.active,.note-marker.secondary,.note-marker.secondary-hidden{color:var(--legend-other)}.note-marker.active.root,.note-marker.secondary.root{color:var(--legend-root);border-color:var(--legend-root)}.note-marker.active.role-chord,.note-marker.secondary.role-chord{color:var(--legend-chord);border-color:var(--legend-chord)}.note-marker.active.role-character,.note-marker.secondary.role-character,.note-marker.ghosted.role-character{color:var(--legend-accent);border-color:var(--legend-accent)}.note-marker.ghosted,.note-marker.ghosted-hidden{color:var(--legend-ghost);border-color:var(--legend-ghost)}:not(.note-marker).shape-C{color:var(--color-C)}:not(.note-marker).shape-A{color:var(--color-A)}:not(.note-marker).shape-G{color:var(--color-G)}:not(.note-marker).shape-E{color:var(--color-E)}:not(.note-marker).shape-D{color:var(--color-D)}.custom-dropdown-item.shape-C{color:var(--color-C)}.custom-dropdown-item.shape-A{color:var(--color-A)}.custom-dropdown-item.shape-G{color:var(--color-G)}.custom-dropdown-item.shape-E{color:var(--color-E)}.custom-dropdown-item.shape-D{color:var(--color-D)}.note-marker.active.role-tonic{box-shadow:0 0 12px currentColor,0 0 20px currentColor}.note-marker.secondary.role-tonic{box-shadow:0 0 8px currentColor;opacity:.7}.note-marker.active.role-chord{box-shadow:inset 0 0 0 3px #000,inset 0 0 0 5px #ffffff80}.note-marker.secondary.role-chord{box-shadow:inset 0 0 0 2px #000,inset 0 0 0 4px #fff6;opacity:.65}.note-marker.active.role-character{background:repeating-linear-gradient(45deg,currentColor,currentColor 3px,rgba(0,0,0,.3) 3px,rgba(0,0,0,.3) 6px)}.note-marker.secondary.role-character{background:repeating-linear-gradient(45deg,currentColor,currentColor 2px,rgba(0,0,0,.3) 2px,rgba(0,0,0,.3) 4px);opacity:.6}.note-marker.ghosted.role-character{background:repeating-linear-gradient(45deg,currentColor,currentColor 2px,rgba(0,0,0,.3) 2px,rgba(0,0,0,.3) 4px);opacity:.3}.note-marker.secondary.role-neutral{opacity:.5}.note-marker.active.triad-cluster{box-shadow:0 0 0 2px #ffffffe6,0 0 10px #ffffff80}.note-marker.active.triad-unclustered{opacity:.15;transform:scale(.7);box-shadow:none}.fretboard-grid{display:flex;gap:24px;padding:24px;align-items:start;overflow-x:auto;overflow-y:hidden;max-width:100%}.board-wrapper{display:flex;flex-direction:column;cursor:pointer;padding:8px;border-radius:var(--radius);transition:all .15s ease;background:#1e283733}.board-wrapper:hover{background:#1e28374d}.board-wrapper.active{outline:2px solid var(--accent);background:#3b82f61a}.board-header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--bg-fretboard);border-radius:var(--radius);gap:12px}.board-key-scale{font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:.5px}.board-shape-badge{font-size:14px;font-weight:700;padding:4px 12px;border-radius:20px;color:#1a1a1a}.board-shape-badge.shape-C{background:var(--color-C)}.board-shape-badge.shape-A{background:var(--color-A)}.board-shape-badge.shape-G{background:var(--color-G)}.board-shape-badge.shape-E{background:var(--color-E)}.board-shape-badge.shape-D{background:var(--color-D)}.fretboard-wrapper--mini{display:contents}.progression-select{width:100%;padding:8px 12px;font-family:inherit;font-size:12px;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);color:var(--text-primary);cursor:pointer}.progression-select:hover{border-color:var(--accent)}.progression-select:focus{outline:none;border-color:var(--accent)}.progression-select optgroup{font-weight:600;color:var(--text-muted)}.progression-select option{background:var(--bg-fretboard);color:var(--text-primary);padding:4px}.custom-progression-input-group{display:flex;gap:6px}.custom-progression-input{flex:1;padding:8px 12px;font-family:inherit;font-size:12px;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);color:var(--text-primary)}.custom-progression-input:focus{outline:none;border-color:var(--accent)}.custom-progression-input::placeholder{color:var(--text-muted)}.apply-custom-btn{padding:8px 12px;font-family:inherit;font-size:12px;font-weight:500;background:var(--accent);border:none;border-radius:var(--radius);color:#fff;cursor:pointer;transition:opacity .15s ease}.apply-custom-btn:hover{opacity:.8}.progression-nav{display:flex;align-items:center;gap:8px}.progression-nav-btn{padding:6px 10px;font-family:inherit;font-size:12px;font-weight:500;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);color:var(--text-muted);cursor:pointer;transition:all .15s ease}.progression-nav-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.progression-nav-btn:disabled{opacity:.4;cursor:not-allowed}.progression-page-info{font-size:12px;color:var(--text-muted);min-width:50px;text-align:center}@media(max-width:700px){:root{--cell-width-base: 55px;--cell-height-base: 48px;--note-size-base: 36px;--note-size-secondary-base: 26px;--note-size-inactive-base: 18px;--fret-marker-width-base: 36px;--string-label-size-base: 34px;--note-font-base: 18px;--note-font-secondary-base: 15px;--note-font-inactive-base: 15px}.grid-content{padding:16px}.board-controls{flex-wrap:wrap}}@media(max-width:540px){:root{--cell-width-base: 44px;--cell-height-base: 38px;--note-size-base: 28px;--note-size-secondary-base: 20px;--note-size-inactive-base: 16px;--fret-marker-width-base: 28px;--string-label-size-base: 26px;--note-font-base: 14px;--note-font-secondary-base: 12px;--note-font-inactive-base: 12px}.grid-content{padding:8px;padding-top:calc(var(--topbar-height) + 8px)}.hamburger-btn{display:flex}.hamburger-label{display:inline}.top-bar-menu{position:absolute;right:8px;left:auto;transform:none}.menu-content{display:none;position:absolute;top:var(--topbar-height);right:-8px;left:auto;min-width:160px;background:var(--topbar-bg);flex-direction:column;align-items:stretch;padding:8px 0;gap:0;border-bottom:1px solid var(--topbar-border);border-left:1px solid var(--topbar-border);border-radius:0 0 0 8px;z-index:100}.top-bar-menu.mobile-open .menu-content{display:flex}.menu-divider,.desktop-only,span.desktop-only,.menu-btn.desktop-only{display:none}.mobile-only,.menu-btn.mobile-only{display:flex}.menu-btn{width:100%;justify-content:flex-end;padding:10px 16px;border-radius:0}.add-board-wrapper,.add-board-wrapper .menu-btn{width:100%}.add-board-menu{position:static;background:transparent;border:none;box-shadow:none;padding:4px 0 4px 16px;margin:0}.add-board-item{padding:8px 16px;justify-content:flex-end}.header-actions{display:none}.mobile-help-wrapper,.mobile-settings-wrapper,.mobile-help-wrapper .help-wrapper,.mobile-settings-wrapper .settings-wrapper{display:block;width:100%}.mobile-help-wrapper .settings-btn,.mobile-settings-wrapper .settings-btn{width:100%;justify-content:flex-end;padding:10px 16px;border-radius:0}.board-toggles{overflow:visible}.toggle-row{flex-wrap:wrap}.fretboard-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.fretboard-wrapper-inner,.string-labels{min-width:max-content}}.sections-container{display:flex;flex-direction:column;gap:40px;padding:32px;overflow-y:auto;height:100vh;width:100%;align-items:stretch;align-self:flex-start}.section{display:flex;flex-direction:column;gap:16px}.section.active .section-header{color:var(--text-primary)}.section-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:8px}.section-title{font-size:13px;font-weight:700;color:#888;text-transform:uppercase;letter-spacing:1.5px}.section.active .section-title{color:var(--text-primary)}.section-delete-btn{width:24px;height:24px;border:none;background:transparent;color:var(--text-muted);font-size:16px;cursor:pointer;border-radius:4px;transition:all .15s ease;display:flex;align-items:center;justify-content:center;opacity:.5}.section:hover .section-delete-btn{opacity:1}.section-delete-btn:hover{background:#ef444426;color:#ef4444}.section:only-of-type .section-delete-btn{display:none}.section-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.custom-dropdown{position:relative;min-width:180px}.custom-dropdown-trigger{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:2px 8px;font-family:inherit;font-size:14px;font-weight:500;background:var(--bg-fretboard);border:1px solid rgba(255,255,255,.15);border-radius:4px;color:var(--text-primary);cursor:pointer;transition:all .15s ease;width:100%;text-align:left}.custom-dropdown-trigger:hover{border-color:#ffffff4d}.custom-dropdown.open .custom-dropdown-trigger{border-color:var(--accent)}.custom-dropdown-label{display:flex;align-items:center;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.dropdown-icon{width:14px;height:14px}.custom-dropdown-value{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.custom-dropdown-arrow{font-size:10px;color:var(--text-muted);transition:transform .15s ease}.custom-dropdown.open .custom-dropdown-arrow{transform:rotate(180deg)}.custom-dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;min-width:100%;width:max-content;max-height:320px;overflow-y:auto;background:var(--bg-fretboard);border:1px solid rgba(255,255,255,.15);border-radius:6px;box-shadow:0 8px 24px #0006;z-index:100;display:none}.custom-dropdown.open .custom-dropdown-menu{display:block}.custom-dropdown-group{padding:4px 0}.custom-dropdown-group:not(:last-child){border-bottom:1px solid rgba(255,255,255,.08)}.custom-dropdown-group-label{padding:8px 12px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.custom-dropdown-item{padding:8px 12px;font-size:13px;color:var(--text-primary);cursor:pointer;transition:background .1s ease}.custom-dropdown-item:hover{background:#ffffff14}.custom-dropdown-item.selected{background:#3b82f633;color:var(--accent)}.custom-dropdown-divider{padding:4px 12px;font-size:11px;color:#ffffff4d;cursor:default;border-top:1px solid rgba(255,255,255,.08);margin-top:4px}.custom-dropdown-header{padding:10px 12px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);cursor:default}.custom-dropdown-header:not(:first-child){border-top:1px solid rgba(255,255,255,.08);margin-top:4px}.section-custom-input-group{display:none;gap:8px}.section-custom-input-group.visible{display:flex}.section-custom-input{width:160px;padding:10px 14px;font-size:13px;background:var(--bg-fretboard);border:1px solid rgba(255,255,255,.15);border-radius:6px;color:var(--text-primary)}.section-custom-input:focus{outline:none;border-color:var(--accent)}.section-custom-input::placeholder{color:var(--text-muted);opacity:.6}.section-apply-btn{padding:10px 16px;font-size:13px;font-weight:600;background:var(--accent);border:none;border-radius:6px;color:#fff;cursor:pointer;transition:all .15s ease}.section-apply-btn:hover{filter:brightness(1.1)}.section-pagination{display:none;align-items:center;gap:8px;margin-left:auto}.section-pagination.visible{display:flex}.section-prev-btn,.section-next-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;background:var(--bg-fretboard);border:1px solid rgba(255,255,255,.15);border-radius:6px;color:var(--text-primary);cursor:pointer;transition:all .15s ease}.section-prev-btn:hover:not(:disabled),.section-next-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.section-prev-btn:disabled,.section-next-btn:disabled{opacity:.3;cursor:not-allowed}.section-page-info{font-size:12px;font-weight:500;color:var(--text-muted);min-width:50px;text-align:center}.section-fretboards{overflow-x:auto;overflow-y:hidden;margin:0 -8px;padding:0 8px}.section-fretboards .fretboard-grid{display:flex;gap:24px;padding:8px 0;align-items:start}.sections-actions{display:flex;gap:12px;align-items:center}.add-section-btn,.clear-all-btn{padding:10px 20px;font-family:inherit;font-size:13px;font-weight:600;background:var(--bg-fretboard);border:1px solid rgba(255,255,255,.1);border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .15s ease}.add-section-btn:hover{border-color:var(--accent);color:var(--accent);background:#3b82f614}.clear-all-btn:hover{border-color:#ef4444;color:#ef4444;background:#ef444414}.board-wrapper:has(.fretboard-tilted){overflow:visible;padding-bottom:200px}.board-wrapper:has(.fretboard-tilted) .fretboard-container{margin-top:-28px}.fretboard-tilted{display:flex;flex-direction:column;transform-origin:center center}.fretboard-tilted-left{transform:rotate(-55deg)}.fretboard-tilted-right,.fretboard-tilted-left .note-text,.fretboard-tilted-left .note-badge,.fretboard-tilted-left .string-label-text,.fretboard-tilted-left .fret-marker-label{transform:rotate(55deg)}.fretboard-tilted-right .note-text,.fretboard-tilted-right .note-badge,.fretboard-tilted-right .string-label-text,.fretboard-tilted-right .fret-marker-label{transform:rotate(-55deg)}