@layer properties;@layer theme,base,components,utilities;@layer theme{:root,:host{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing: .25rem;--text-sm: .875rem;--text-sm--line-height: calc(1.25 / .875);--font-weight-medium: 500;--radius-md: .375rem;--radius-lg: .5rem;--shadow-sm: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--default-transition-duration: .15s;--default-transition-timing-function: cubic-bezier(.4, 0, .2, 1);--default-font-family: var(--font-sans);--default-mono-font-family: var(--font-mono)}}@layer base{*,:after,:before,::backdrop,::file-selector-button{box-sizing:border-box;margin:0;padding:0;border:0 solid}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;tab-size:4;font-family:var(--default-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings, normal);font-variation-settings:var(--default-font-variation-settings, normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings, normal);font-variation-settings:var(--default-mono-font-variation-settings, normal);font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea,::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;border-radius:0;background-color:transparent;opacity:1}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not (-webkit-appearance: -apple-pay-button)) or (contain-intrinsic-size: 1px){::placeholder{color:currentcolor}@supports (color: color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit,::-webkit-datetime-edit-year-field,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field,::-webkit-datetime-edit-second-field,::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]),::file-selector-button{appearance:button}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer utilities{.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border-width:0}.absolute{position:absolute}.relative{position:relative}.static{position:static}.sticky{position:sticky}.top-0{top:0}.z-10{z-index:10}.ms-auto{margin-inline-start:auto}.flex{display:flex}.grid{display:grid}.inline{display:inline}.table{display:table}.min-h-11{min-height:calc(var(--spacing) * 11)}.min-w-11{min-width:calc(var(--spacing) * 11)}.flex-shrink{flex-shrink:1}.border-collapse{border-collapse:collapse}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-center{justify-content:center}.gap-1{gap:var(--spacing)}.gap-3{gap:calc(var(--spacing) * 3)}.rounded-md{border-radius:var(--radius-md)}.border{border-style:var(--tw-border-style);border-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.px-2{padding-inline:calc(var(--spacing) * 2)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-4{padding-inline:calc(var(--spacing) * 4)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-4{padding-block:calc(var(--spacing) * 4)}.pt-\[env\(safe-area-inset-top\)\]{padding-top:env(safe-area-inset-top)}.pb-\[calc\(5rem\+env\(safe-area-inset-bottom\)\)\]{padding-bottom:calc(5rem + env(safe-area-inset-bottom))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading, var(--text-sm--line-height))}.font-medium{--tw-font-weight: var(--font-weight-medium);font-weight:var(--font-weight-medium)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.backdrop-blur{--tw-backdrop-blur: blur(8px);-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease, var(--default-transition-timing-function));transition-duration:var(--tw-duration, var(--default-transition-duration))}.focus-visible\:outline:focus-visible{outline-style:var(--tw-outline-style);outline-width:1px}.focus-visible\:outline-2:focus-visible{outline-style:var(--tw-outline-style);outline-width:2px}.focus-visible\:outline-offset-2:focus-visible{outline-offset:2px}.focus-visible\:outline-current:focus-visible{outline-color:currentcolor}@media(width>=40rem){.sm\:px-4{padding-inline:calc(var(--spacing) * 4)}.sm\:px-6{padding-inline:calc(var(--spacing) * 6)}}}*,*:before,*:after{box-sizing:border-box}:root{--color-bg: #ffffff;--color-surface: #f8fafc;--color-surface-active: #0f172a;--color-surface-active-text: #ffffff;--color-text: #0f172a;--color-text-muted: #475569;--color-border: #cbd5e1;--color-highlight-bg: #cfe8ff;--color-highlight-text: #003a66;--color-root-bg: #0f172a;--color-root-text: #ffffff;--color-correct-bg: #d5f5d5;--color-correct-border: #2e7d32;--color-incorrect-bg: #fbdada;--color-incorrect-border: #c62828;--color-fret-wood: #e8d3a9;--color-fret-line: #8a8a8a;--color-fret-inlay: #ffffff;--color-nut: #1f2937;--color-string: #4b5563;--color-accent: #2563eb;--color-accent-text: #ffffff;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 1px rgba(15, 23, 42, .04);--shadow-md: 0 8px 20px rgba(15, 23, 42, .08);--radius-md: .6rem;--radius-lg: 1rem}:root[data-theme=dark]{--color-bg: #0b1220;--color-surface: #1e293b;--color-surface-active: #e2e8f0;--color-surface-active-text: #0f172a;--color-text: #e2e8f0;--color-text-muted: #94a3b8;--color-border: #475569;--color-highlight-bg: #1d4ed8;--color-highlight-text: #dbeafe;--color-root-bg: #facc15;--color-root-text: #1f2937;--color-correct-bg: #14532d;--color-correct-border: #4ade80;--color-incorrect-bg: #7f1d1d;--color-incorrect-border: #f87171;--color-fret-wood: #4a3a26;--color-fret-line: #94a3b8;--color-fret-inlay: #cbd5e1;--color-nut: #cbd5e1;--color-string: #cbd5e1;--color-accent: #60a5fa;--color-accent-text: #0b1220;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 1px 1px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .45);color-scheme:dark}html{color-scheme:light}body{margin:0;min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--color-text);background:var(--color-bg)}main{display:flex;flex-direction:column;gap:1.5rem;max-width:60rem;margin-inline:auto}h1{margin:0;font-size:1.5rem;font-weight:700;letter-spacing:-.01em;color:var(--color-text)}h2{margin:0 0 .25rem;font-size:1.05rem;font-weight:600;color:var(--color-text)}p{margin:0 0 .75rem;line-height:1.5}p:last-child{margin-block-end:0}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.1rem 1.25rem;box-shadow:var(--shadow-sm)}fieldset{border:none;margin:0;padding:0}fieldset fieldset{margin-block-start:.25rem}legend{padding:0;margin-block-end:.6rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.field{display:inline-flex;flex-direction:column;gap:.3rem;margin-inline-end:1rem;margin-block-end:.75rem}.field label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}select{min-height:2.75rem;font:inherit;font-size:1rem;padding-inline-start:.75rem;padding-inline-end:2.1rem;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-bg);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 6l5 5 5-5' fill='none' stroke='%23475569' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .6rem center;background-size:.8rem;color:var(--color-text);appearance:none;-webkit-appearance:none;-moz-appearance:none}select::-ms-expand{display:none}:root[data-theme=dark] select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 6l5 5 5-5' fill='none' stroke='%2394a3b8' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}select:hover{border-color:var(--color-text-muted)}select:focus-visible{outline:2px solid var(--color-accent);outline-offset:1px}button{font:inherit;font-size:.95rem;font-weight:500;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);cursor:pointer;transition:background-color .15s ease,border-color .15s ease,transform .05s ease}button:hover:not(:disabled){background:var(--color-surface)}button:active:not(:disabled){transform:scale(.98)}button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.55}.button-primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-accent-text);font-weight:600;padding-inline:1.25rem}.button-primary:hover:not(:disabled){filter:brightness(1.08);background:var(--color-accent)}.pill-group{display:flex;flex-wrap:wrap;gap:.5rem;margin-inline-end:1rem;margin-block-end:.75rem}.pill-group legend{flex-basis:100%}.pill-group label{display:inline-flex;align-items:center;gap:.4rem;min-height:2.75rem;padding-inline:.9rem;border-radius:999px;border:1px solid var(--color-border);background:var(--color-bg);font-size:.9rem;font-weight:500;cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease}.pill-group label:hover{background:var(--color-surface)}.pill-group label:has(input:checked){background:var(--color-surface-active);color:var(--color-surface-active-text);border-color:var(--color-surface-active)}.pill-group input[type=radio]{width:1.15rem;height:1.15rem;accent-color:var(--color-accent)}.toggle-pill{display:inline-flex;align-items:center;gap:.4rem;min-height:2.75rem;padding-inline:.9rem;border-radius:999px;border:1px solid var(--color-border);background:var(--color-bg);font-size:.9rem;font-weight:500;cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease}.toggle-pill:hover{background:var(--color-surface)}.toggle-pill:has(input:checked){background:var(--color-surface-active);color:var(--color-surface-active-text);border-color:var(--color-surface-active)}.toggle-pill input[type=checkbox]{width:1.15rem;height:1.15rem;accent-color:var(--color-accent)}.callout{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem;padding:.85rem 1.1rem;border-radius:var(--radius-md);background:var(--color-highlight-bg);color:var(--color-highlight-text);font-size:1.05rem;font-weight:600}.app-header{background:var(--color-bg);border-color:var(--color-border)}@supports (color: color-mix(in lab,red,red)){.app-header{background:color-mix(in srgb,var(--color-bg) 95%,transparent)}}.app-title{color:var(--color-text)}.app-nav-link{color:var(--color-text-muted)}.app-nav-link:hover{background:var(--color-surface)}.app-nav-link.active{background:var(--color-surface-active);color:var(--color-surface-active-text)}.settings-button{color:var(--color-text);background-color:var(--color-bg);border-color:var(--color-border)}.settings-button:hover{background-color:var(--color-surface)}.settings-button[aria-pressed=true]{background-color:var(--color-surface-active);color:var(--color-surface-active-text);border-color:var(--color-surface-active)}.back-link{display:inline-flex;align-items:center;gap:.3rem;font-size:.85rem;font-weight:600;color:var(--color-text-muted);text-decoration:none}.back-link:hover{color:var(--color-text)}.back-link:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-md)}@property --tw-rotate-x{syntax: "*"; inherits: false;}@property --tw-rotate-y{syntax: "*"; inherits: false;}@property --tw-rotate-z{syntax: "*"; inherits: false;}@property --tw-skew-x{syntax: "*"; inherits: false;}@property --tw-skew-y{syntax: "*"; inherits: false;}@property --tw-border-style{syntax: "*"; inherits: false; initial-value: solid;}@property --tw-font-weight{syntax: "*"; inherits: false;}@property --tw-outline-style{syntax: "*"; inherits: false; initial-value: solid;}@property --tw-backdrop-blur{syntax: "*"; inherits: false;}@property --tw-backdrop-brightness{syntax: "*"; inherits: false;}@property --tw-backdrop-contrast{syntax: "*"; inherits: false;}@property --tw-backdrop-grayscale{syntax: "*"; inherits: false;}@property --tw-backdrop-hue-rotate{syntax: "*"; inherits: false;}@property --tw-backdrop-invert{syntax: "*"; inherits: false;}@property --tw-backdrop-opacity{syntax: "*"; inherits: false;}@property --tw-backdrop-saturate{syntax: "*"; inherits: false;}@property --tw-backdrop-sepia{syntax: "*"; inherits: false;}@layer properties{@supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x: initial;--tw-rotate-y: initial;--tw-rotate-z: initial;--tw-skew-x: initial;--tw-skew-y: initial;--tw-border-style: solid;--tw-font-weight: initial;--tw-outline-style: solid;--tw-backdrop-blur: initial;--tw-backdrop-brightness: initial;--tw-backdrop-contrast: initial;--tw-backdrop-grayscale: initial;--tw-backdrop-hue-rotate: initial;--tw-backdrop-invert: initial;--tw-backdrop-opacity: initial;--tw-backdrop-saturate: initial;--tw-backdrop-sepia: initial}}}