:root{--color-background: #FFFFFF;--color-foreground: rgba(18, 18, 18, .75);--color-foreground-rgb: 18, 18, 18;--color-heading: rgb(18, 18, 18);--color-body-text: rgb(55, 65, 81);--color-muted: rgba(18, 18, 18, .6);--color-border: rgba(0, 0, 0, .08);--color-border-strong: rgba(0, 0, 0, .15);--color-button-bg: rgb(18, 18, 18);--color-button-text: rgb(255, 255, 255);--color-filter-bg: rgba(0, 0, 0, .02);--font-heading: "Playfair Display", Georgia, serif;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-story: "Poiret One", sans-serif;--font-symbols: -apple-system, BlinkMacSystemFont, "Segoe UI Symbol", "Noto Sans Symbols", sans-serif;--font-size-h1: 45.6px;--font-size-h2: 32px;--font-size-h3: 20.7px;--font-size-body: 19.2px;--font-size-base: 16px;--font-size-small: 15px;--font-size-tiny: 14px;--font-size-micro: 11px;--line-height-tight: 1.15;--line-height-normal: 1.26;--line-height-relaxed: 1.65;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 3.75rem;--graph-padding: 50;--transition-fast: .15s ease;--transition-medium: .2s ease;--transition-slow: .3s ease;--touch-target-min: 44px;--beat-point-radius: 8;--beat-point-radius-hover: 12;--beat-point-radius-active: 14;--border-radius: 0px;--border-radius-pill: 999px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-ui);background-color:var(--color-background);color:var(--color-foreground);min-height:100vh;min-height:100dvh;line-height:var(--line-height-relaxed);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#app{display:flex;flex-direction:column;height:100vh;height:100dvh;padding:var(--spacing-xs) 0;padding-bottom:0;max-width:600px;margin:0 auto;transition:transform .4s cubic-bezier(.4,0,.2,1),opacity .4s ease}#app.swiping-up,.story-overlay__inner.swiping-up{transform:translateY(-20px);opacity:.8}#app.swiping-down,.story-overlay__inner.swiping-down{transform:translateY(20px);opacity:.8}@media (max-height: 700px){#app{padding:2px 0 0}}.header{display:flex;align-items:center;justify-content:space-between;padding:4px 0;flex-shrink:0}@media (max-height: 700px){.header{padding:2px 0}}.header__left{flex:0 0 auto}.header__center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-align:center}.header__right{flex:0 0 auto;width:32px}.header__back-btn{display:flex;align-items:center;background:none;border:none;color:var(--color-foreground);font-size:1.25rem;cursor:pointer;padding:var(--spacing-xs);opacity:.7}.header__back-btn:hover{opacity:1}.embed-mode 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768px){#app{padding:var(--spacing-lg)}.header{padding:var(--spacing-sm) 0;margin-bottom:var(--spacing-sm)}.header__center{flex-direction:column;gap:var(--spacing-xs)}.header__back-label{display:inline;font-size:.875rem;margin-left:4px}.header__back-btn{font-size:1rem}.header__title{font-size:1.5rem;letter-spacing:.03em}.header__meta{font-size:.875rem}.shape-notation{padding:var(--spacing-sm) 0}.notation-arrows{font-size:2rem}.graph-container{padding:var(--spacing-md) 0}.description-panel{padding:var(--spacing-lg);min-height:120px;max-height:200px;height:auto}.description-panel__title{font-size:1.25rem;margin-bottom:var(--spacing-sm)}.description-panel__text{font-size:.9375rem;line-height:1.6}.story-info{display:block;text-align:center;padding:var(--spacing-md) 0;border-top:1px solid 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.4rem;white-space:nowrap;overflow:hidden}.book__title{font-family:var(--font-heading);font-weight:400;font-size:var(--title-size, 10px);letter-spacing:.01em;line-height:1}.book__author{font-size:calc(var(--title-size, 10px) * .78);letter-spacing:.02em;line-height:1;opacity:.7}.book__band{flex:0 0 auto;width:100%;height:1px;background:currentColor;opacity:.28;margin-bottom:.35rem}.book__shape{flex:0 0 auto;width:100%;height:var(--shape-h, 74px);padding-bottom:.45rem;opacity:.9}.book__shape svg{display:block;width:100%;height:100%}.story-overlay{position:fixed;left:0;top:0;width:100vw;height:100vh;z-index:300;display:none;overflow:hidden;background:var(--color-background, #ffffff)}.story-overlay.is-active{display:block}.story-overlay__inner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;max-width:600px;margin:0 auto;padding:var(--spacing-xs) 0;padding-bottom:0;overflow-y:auto;opacity:0;transition:opacity var(--transition-slow) ease}@media (min-width: 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768px){.filter-bar{padding:var(--spacing-lg)}.filter-bar__search{font-size:.875rem}.filter-bar__count{text-align:right;font-size:.875rem}}.filters-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:250;display:none;align-items:center;justify-content:center;padding:var(--spacing-md)}.filters-modal.is-visible{display:flex}.filters-modal__overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease}.filters-modal__content{position:relative;background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:var(--spacing-lg);max-width:400px;width:100%;max-height:80vh;overflow-y:auto;box-shadow:0 20px 60px #00000026;animation:slideUp .3s ease}.filters-modal__title{font-family:var(--font-heading);font-size:1.25rem;font-weight:600;color:var(--color-heading);margin:0 0 var(--spacing-md) 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