@font-face{font-family:ChicagoFLF;src:url(/fonts/ChicagoFLF.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Charis SIL;src:url(/fonts/Charis-Regular.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Charis SIL;src:url(/fonts/Charis-Bold.ttf) format("truetype");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/InterVariable.ttf) format("truetype");font-weight:100 900;font-style:normal;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/InterVariable-Italic.ttf) format("truetype");font-weight:100 900;font-style:italic;font-display:swap}@font-face{font-family:"Source Serif 4";src:url(/fonts/SourceSerif4-Regular.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:"Source Serif 4";src:url(/fonts/SourceSerif4-It.ttf) format("truetype");font-weight:400;font-style:italic;font-display:swap}@font-face{font-family:JetBrains Mono;src:url(/fonts/JetBrainsMono-Regular.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}:root{--color-desktop-sand: #E5DAB6;--color-desktop-sand-dark: #C9BE94;--color-window-gray: #C0C0C0;--color-window-gray-light: #DEDEDE;--color-window-gray-dark: #7B7B7B;--color-window-border: #000000;--color-title-active: #7E7E9F;--color-title-inactive: #B6B6B6;--color-surface: #FFFFFF;--color-text-primary: #0E0E0E;--color-text-secondary: #5C5C5C;--color-accent: #F4A12B;--color-accent-dark: #C97D14;--color-success: #2E7D32;--color-error: #B00020;--color-tooltip-bg: #FFF6BF;--font-chrome: "ChicagoFLF", "Geneva", monospace;--font-ipa: "Charis SIL", "Doulos SIL", "Gentium Plus", serif;--font-body: "Inter", sans-serif;--font-keyword: "Source Serif 4", "Charter", serif;--font-mono: "JetBrains Mono", "SF Mono", monospace;--sp-1: 2px;--sp-2: 4px;--sp-3: 8px;--sp-4: 12px;--sp-5: 16px;--sp-6: 24px;--sp-7: 32px;--sp-8: 48px;--cell-size: 44px;--cell-gap: 4px}@media (min-width: 1024px){:root{--cell-size: 52px}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100vh;background-color:var(--color-desktop-sand);background-image:radial-gradient(var(--color-desktop-sand-dark) 1px,transparent 1px);background-size:4px 4px;font-family:var(--font-body);color:var(--color-text-primary)}.window{background:var(--color-window-gray);border:1px solid var(--color-window-border);box-shadow:2px 2px #0006;display:flex;flex-direction:column}.window__title-bar{height:22px;background:var(--color-title-active);border-bottom:1px solid var(--color-window-border);display:flex;align-items:center;justify-content:center;position:relative;background-image:repeating-linear-gradient(to bottom,rgba(255,255,255,.18) 0px,rgba(255,255,255,.18) 1px,transparent 1px,transparent 2px)}.window__title{font-family:var(--font-chrome);font-size:14px;font-weight:700;color:var(--color-surface);line-height:1;pointer-events:none}.window__close{position:absolute;left:6px;width:12px;height:12px;border:1px solid var(--color-window-border);background:var(--color-window-gray);display:flex;align-items:center;justify-content:center;font-size:9px;line-height:1;cursor:pointer;color:var(--color-text-primary)}.window__content{background:var(--color-window-gray);padding:var(--sp-5);flex:1}.window__status{height:18px;background:var(--color-window-gray);border-top:1px solid var(--color-window-border);padding:0 var(--sp-4);display:flex;align-items:center;font-family:var(--font-mono);font-size:11px;color:var(--color-text-secondary)}.btn{background:var(--color-window-gray);border-top:1px solid var(--color-window-gray-light);border-left:1px solid var(--color-window-gray-light);border-bottom:1px solid var(--color-window-gray-dark);border-right:1px solid var(--color-window-gray-dark);outline:1px solid var(--color-window-border);outline-offset:-1px;padding:6px 12px;min-height:32px;font-family:var(--font-chrome);font-size:13px;font-weight:700;cursor:pointer;color:var(--color-text-primary);line-height:1}.btn:hover{background:var(--color-window-gray-light)}.btn:active{border-top:1px solid var(--color-window-gray-dark);border-left:1px solid var(--color-window-gray-dark);border-bottom:1px solid var(--color-window-gray-light);border-right:1px solid var(--color-window-gray-light);transform:translate(1px,1px)}.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn:disabled{background:#d8d8d8;color:#999;cursor:not-allowed}.section-label{font-family:var(--font-chrome);font-size:13px;font-weight:700;color:var(--color-text-primary);margin:0 0 var(--sp-2) 0}.chart-window{max-width:580px;margin:var(--sp-6) auto}.phoneme-block{margin-bottom:var(--sp-5)}.phoneme-grid{display:grid;gap:var(--cell-gap)}.phoneme-grid--vowels{grid-template-columns:repeat(7,var(--cell-size))}.phoneme-grid--consonants{grid-template-columns:repeat(8,var(--cell-size))}.cell{width:var(--cell-size);height:var(--cell-size);background:var(--color-surface);border:1px solid var(--color-window-border);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;gap:3px;box-shadow:inset 1px 1px 0 var(--color-window-gray-light),inset -1px -1px 0 var(--color-window-gray-dark);user-select:none;-webkit-tap-highlight-color:transparent}.cell:hover{background:#f8f8f8}.cell:active{box-shadow:inset 1px 1px 0 var(--color-window-gray-dark),inset -1px -1px 0 var(--color-window-gray-light)}.cell--selected{background:var(--color-accent);border-width:2px}.cell--selected:hover{background:var(--color-accent)}.cell__glyph{font-family:var(--font-ipa);font-size:24px;line-height:1;padding-bottom:2px;color:var(--color-text-primary)}@media (min-width: 1024px){.cell__glyph{font-size:28px}}.cell__keyword{font-family:var(--font-body);font-size:9px;color:var(--color-text-secondary);line-height:1;text-align:center;max-width:calc(var(--cell-size) - 4px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.phoneme-grid--consonants .cell:nth-child(6),.phoneme-grid--consonants .cell:nth-child(14),.phoneme-grid--consonants .cell:nth-child(19){border-right:1px solid var(--color-window-gray-dark)}.detail-overlay{position:fixed;inset:0;display:flex;align-items:flex-start;justify-content:center;padding:var(--sp-6);pointer-events:none;z-index:10}.detail-overlay.is-open{pointer-events:auto}@media (min-width: 960px){.detail-overlay{justify-content:flex-end;padding-right:calc(50vw - 540px)}}.detail-window{width:min(480px,100vw - var(--sp-7));max-height:calc(100vh - var(--sp-7) * 2);overflow-y:auto;display:flex;flex-direction:column;background:var(--color-window-gray);border:1px solid var(--color-window-border);box-shadow:2px 2px #0006;opacity:0;transform:translateY(4px);transition:opacity 80ms ease,transform 80ms ease;pointer-events:none}.detail-overlay.is-open .detail-window{opacity:1;transform:translateY(0);pointer-events:auto}.detail__hero{display:flex;flex-direction:column;align-items:center;padding:var(--sp-6) var(--sp-5) var(--sp-4);background:var(--color-surface);border-bottom:1px solid var(--color-window-border)}.detail__glyph{font-family:var(--font-ipa);font-size:72px;line-height:1;color:var(--color-text-primary);margin-bottom:var(--sp-3)}@media (min-width: 1024px){.detail__glyph{font-size:88px}}.play-btn{width:40px;height:40px;background:var(--color-accent);border-top:1px solid #F8C97A;border-left:1px solid #F8C97A;border-bottom:1px solid var(--color-accent-dark);border-right:1px solid var(--color-accent-dark);outline:1px solid var(--color-window-border);outline-offset:-1px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;color:var(--color-text-primary);margin-bottom:var(--sp-3);flex-shrink:0}.play-btn:active{border-top:1px solid var(--color-accent-dark);border-left:1px solid var(--color-accent-dark);border-bottom:1px solid #F8C97A;border-right:1px solid #F8C97A;transform:translate(1px,1px)}.play-btn--loading{animation:spin-pixel .25s steps(4) infinite}.play-btn--failed{background:var(--color-window-gray)}@keyframes spin-pixel{0%{content:"◐"}25%{content:"◓"}50%{content:"◑"}75%{content:"◒"}}.detail__keyword{font-family:var(--font-keyword);font-size:20px;font-style:italic;color:var(--color-text-primary);margin-bottom:var(--sp-2)}.detail__articulation{font-family:var(--font-body);font-size:13px;color:var(--color-text-secondary);text-align:center;line-height:1.35;max-width:400px}.audio-tooltip{display:none;background:var(--color-tooltip-bg);border:1px solid var(--color-window-border);box-shadow:2px 2px #0000004d;padding:var(--sp-3) var(--sp-4);font-family:var(--font-body);font-size:12px;color:var(--color-text-primary);max-width:240px;text-align:center;margin-bottom:var(--sp-3)}.audio-tooltip.is-visible{display:block}.contrast-panel{padding:var(--sp-4) var(--sp-5);border-top:1px solid var(--color-window-border)}.contrast-panel__label{font-family:var(--font-chrome);font-size:13px;font-weight:700;color:var(--color-text-primary);margin:0 0 var(--sp-3) 0}.contrast-pair{display:grid;grid-template-columns:1fr 1fr;gap:4px;border:1px solid var(--color-window-border)}.contrast-cell{background:var(--color-surface);padding:var(--sp-3);display:flex;flex-direction:column;align-items:center;gap:var(--sp-2);cursor:pointer}.contrast-cell:hover{background:#f8f8f8}.contrast-cell+.contrast-cell{border-left:1px solid var(--color-window-border)}.contrast-cell__glyph{font-family:var(--font-ipa);font-size:28px;line-height:1}.contrast-cell__keyword{font-family:var(--font-keyword);font-size:14px;font-style:italic;color:var(--color-text-secondary)}