/* VYROX original design layer. Existing controls and data remain in their own modules. */
:root{--bg:#faf9f6;--bg2:#f0f1ec;--card:#fff;--ink:#202e2b;--ink-soft:#5b6963;--accent:#256454;--accent-2:#367b67;--line:#dfe5df;--shadow:0 3px 15px #163c2a05;--shadow-lg:0 15px 35px #163c2a12;--vx-ease:cubic-bezier(.22,1,.36,1);--vx-duration:240ms}
body.dark:not(.devil){--bg:#141e1b;--bg2:#1c2a24;--card:#202e28;--ink:#e4efe8;--ink-soft:#b3c6b9;--accent:#a2d0b7;--accent-2:#a2d0b7;--line:#3b4d42}
body.devil{--bg:#0b0b0e;--bg2:#191619;--card:#161518;--ink:#f4e9e9;--ink-soft:#bfb1b5;--accent:#ee6176;--accent-2:#ff8795;--line:#3b2b32;--shadow:0 4px 18px #0002;--shadow-lg:0 14px 36px #0004;background-image:radial-gradient(ellipse at 90% 0,#8b243717,transparent 55%)}
html{scroll-padding-top:100px}body{line-height:1.6;background-attachment:scroll}.top-nav{border-bottom-color:var(--line);background:var(--card)!important}.top-nav .brand{letter-spacing:-.035em}.brand-symbol{background:var(--accent);color:var(--bg)}.top-nav #nav-bot{background:var(--accent);color:var(--bg)}.top-nav .nav-actions{min-width:0}.top-nav a,.top-nav button{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent-2);outline-offset:4px}button,input,a{touch-action:manipulation}button:active{transform:translateY(1px)}button{transition:transform 160ms var(--vx-ease),background-color 160ms ease,opacity 160ms ease}
.site-header{padding-top:42px}.hero-panel{padding:44px 42px 32px;border-radius:24px;position:relative;isolation:isolate;background:linear-gradient(135deg,#eef4ed,#f2f3ec);overflow:hidden;max-width:1120px}.hero-panel>h1{font-size:clamp(34px,4.2vw,58px);line-height:1.09;letter-spacing:-.055em;max-width:620px;color:var(--ink)}.hero-kicker{font-size:10px;letter-spacing:.14em;color:var(--accent)}.hero-chips{font-size:10px;letter-spacing:.1em;line-height:1.8}.tagline{max-width:570px;font-size:14px;color:var(--ink-soft)}.hero-stats{font-size:9px;gap:16px;line-height:1.8;flex-wrap:wrap}.hero-stats span+span:before{margin-right:16px}.vx-hero-art{position:absolute;right:35px;top:35px;width:230px;height:170px;color:var(--accent);pointer-events:none;opacity:.85}.vx-hero-art svg{width:100%;height:100%}.vx-heading-word{display:inline-block}.vx-hero-copy{position:relative;z-index:1}.class-picker{position:relative;z-index:1;max-width:780px;margin-top:30px}.class-picker a{background:#235a4b;color:#fff;border:1px solid #ffffff20;box-shadow:none;min-height:150px;padding:25px 24px;transition:transform var(--vx-duration) var(--vx-ease),box-shadow var(--vx-duration) ease,border-color var(--vx-duration) ease}.class-picker a:nth-child(2){background:#fff;color:#244d40;border-color:#dbe3da}.class-picker strong{font-size:30px}.class-picker a:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.class-picker small{line-height:1.6}
body.dark:not(.devil) .hero-panel{background:linear-gradient(130deg,#1b3127,#1b2922)}body.dark:not(.devil) .class-picker a:nth-child(2){background:#2c4437;color:var(--ink)}body.devil .hero-panel{background:linear-gradient(135deg,#24151b,#141215)!important;border:1px solid var(--line);border-radius:24px;padding:44px 42px 32px}body.devil .site-header h1{font-family:var(--font);font-size:clamp(34px,4.2vw,58px);letter-spacing:-.045em;text-shadow:none;color:var(--ink)}body.devil .class-picker a{background:#752b3b;color:#fff;border-color:#b54d61;box-shadow:none}body.devil .class-picker a:nth-child(2){background:#231b20;color:#ffe8ed;border-color:#52333f}body.devil .section-heading h2,body.devil section h2{font-family:var(--font);letter-spacing:-.025em;text-shadow:none;color:var(--ink)}body.devil::before,body.devil::after{display:none}body.devil #cursor-glow{display:none}body.devil .home-extra{display:block!important}
.vx-quick{margin:28px 0 36px}.vx-quick h2,.vx-recent h2{margin:0 0 14px;font-size:18px;letter-spacing:-.02em}.vx-quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.vx-quick a,.vx-notice-button{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:12px;padding:14px;font-size:12px;text-decoration:none;min-height:54px;transition:transform 180ms var(--vx-ease),border-color 180ms ease}.vx-quick svg{width:20px;height:20px;flex:none;color:var(--accent)}.vx-quick a:hover{transform:translateY(-2px);border-color:var(--accent)}.vx-quick a.devil-only-chip{display:none}body.devil .vx-quick a.devil-only-chip{display:flex}.vx-notice-button{width:100%;text-align:left;justify-content:space-between;margin:18px 0 0;background:var(--bg2);font-weight:600}.vx-notice-button small{display:block;font-size:11px;color:var(--ink-soft);font-weight:400}.vx-notice-button svg{width:22px;height:22px;flex:none}
.search-section{margin:30px 0;border-radius:14px;transition:border-color 200ms,box-shadow 200ms}.search-section:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}#search{font-size:14px;min-height:46px}#search-submit{font-size:12px;color:var(--ink);min-height:46px}.subject-grid{gap:16px}.subject-card{padding:24px 22px;border-radius:16px;border-color:var(--line);background:var(--card);box-shadow:none;transition:transform 220ms var(--vx-ease),border-color 220ms,box-shadow 220ms}.subject-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent)}.subject-card .sc-name{font-size:16px;color:var(--ink)}.sc-description{font-size:12px;line-height:1.7;min-height:42px;color:var(--ink-soft)}.subject-card .sc-count{font-size:11px;color:var(--ink-soft)}.sc-action{font-size:12px;color:var(--accent)}.sc-icon{color:var(--accent);width:32px;height:32px}.category-card,.year-card,.info-card,.resource-row{border-color:var(--line);background:var(--card);box-shadow:none}.category-card h2{font-size:19px}.category-card p,.dashboard-head>p:last-child,.coverage-note{font-size:13px}.resource-row h3{font-size:15px}.resource-source{font-size:12px}.resource-actions a{font-size:12px}.coverage-note{background:var(--bg2);color:var(--ink-soft)}.section-heading h2{font-size:28px}.class-section{margin-bottom:42px}.info-card h3{font-size:17px}.info-list li{font-size:13px}.vx-recent{margin:0 0 28px}.vx-recent-links{display:flex;gap:9px;flex-wrap:wrap}.vx-recent a{display:inline-flex;align-items:center;padding:10px 14px;border-radius:9px;background:var(--bg2);font-size:12px;color:var(--ink);text-decoration:none;min-height:44px}.vx-recent small{display:block;color:var(--ink-soft);font-size:11px;margin-top:8px}
#site-menu{max-width:calc(100vw - 32px);max-height:calc(100dvh - 100px);overflow-y:auto;transform-origin:top left}#site-menu a[aria-current=page]{background:var(--bg2);color:var(--accent);font-weight:800}#chat-panel{background:var(--card);border-color:var(--line);color:var(--ink);max-width:calc(100vw - 24px)}#chat-panel .chat-header{background:var(--bg2);color:var(--ink)}#chat-input{color:var(--ink);background:var(--card)}#chat-fab{background:var(--accent);color:var(--bg)}.vx-premium-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:20px 0}.vx-premium-nav button{background:var(--bg2);color:var(--ink);min-height:44px;border:1px solid var(--line)}.vx-premium-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.vx-premium-card{padding:24px;text-align:left;border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);min-height:125px;box-shadow:none}.vx-premium-card strong{display:block;font-size:18px}.vx-premium-card small{display:block;font-size:12px;color:var(--ink-soft);margin-top:8px}.vx-premium-title{font-size:24px;margin:14px 0}.vx-premium-list .result-card{background:var(--card);color:var(--ink)}.vx-premium-list .result-card>span{line-height:1.6;font-size:14px}.vx-premium-list button{min-height:44px;flex:none}.vx-premium-meta{font-size:12px;color:var(--ink-soft);margin:0 0 18px}
#reader{border-color:var(--line);border-radius:16px;background:var(--card)}.reader-toolbar{gap:10px;background:var(--card);padding:12px 16px;color:var(--ink);flex-wrap:wrap}.reader-toolbar button{min-height:44px;background:var(--bg2);color:var(--ink);box-shadow:none}#reader-title{font-size:13px;line-height:1.5;min-width:0;flex:1 1 220px;overflow-wrap:anywhere}.reader-loading{padding:32px 22px;text-align:center;color:var(--ink-soft);line-height:1.7}.reader-loading::before{content:'';display:block;width:min(100%,240px);height:10px;border-radius:8px;background:var(--bg2);margin:0 auto 18px;animation:vx-placeholder 1s ease-in-out 3 alternate}.reader-loading button{display:block;margin:16px auto 0;min-height:44px}#book-index{background:var(--card);color:var(--ink);border-color:var(--line)}#book-index-title,#book-index-note,#book-index td:first-child{color:var(--ink)}#book-index th{background:var(--bg2);color:var(--ink)}#book-index td,#book-index th{border-color:var(--line)}#book-index-close{background:var(--accent);color:var(--bg);border:0}.reader-toolbar #reader-jump{width:64px;min-height:44px;color:var(--ink);background:var(--card);border:1px solid var(--line)}
.vx-motion-toggle{position:fixed;right:20px;bottom:88px;z-index:25;border:1px solid var(--line);border-radius:50%;width:44px;height:44px;padding:11px;background:var(--card);color:var(--ink);box-shadow:var(--shadow);display:grid;place-items:center}.vx-motion-toggle svg{width:20px;height:20px}.vx-motion-toggle:hover{box-shadow:var(--shadow-lg)}.vx-progress{position:fixed;top:0;left:0;height:3px;background:var(--accent);width:100%;transform:scaleX(0);transform-origin:left;z-index:100;pointer-events:none}.vx-skip{position:fixed;left:16px;top:-80px;z-index:200;background:var(--card);color:var(--ink);padding:12px;border:2px solid var(--accent)}.vx-skip:focus{top:12px}.vx-motion-off *,.vx-motion-off *::before,.vx-motion-off *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@keyframes vx-placeholder{from{opacity:.45}to{opacity:1}}
@media(min-width:1050px){.hero-panel>h1,.hero-panel>.tagline,.hero-panel>.hero-chips{max-width:65%}}
@media(hover:hover) and (pointer:fine){.category-card:hover{transform:perspective(900px) translateY(-3px) rotateX(1deg)}}
@media(max-width:900px){.vx-hero-art{width:160px;right:22px;top:26px;opacity:.3}.vx-quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.vx-premium-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.site-header{padding:24px 16px 0}.hero-panel,body.devil .hero-panel{padding:28px 22px 22px;border-radius:20px}.hero-panel>h1,body.devil .site-header h1{font-size:37px;max-width:100%;line-height:1.13}.hero-kicker{font-size:8px}.hero-chips{font-size:9px}.tagline{font-size:13px;line-height:1.8}.vx-hero-art{display:none}.class-picker{gap:10px;margin-top:24px}.class-picker a{padding:20px 14px;min-height:136px;gap:10px}.class-picker strong{font-size:24px}.class-picker a>span{font-size:7px;letter-spacing:.07em}.class-picker small{font-size:10px}.hero-stats{font-size:8px;gap:12px}.hero-stats span+span:before{margin-right:12px}main{padding:0 16px 30px}.vx-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vx-quick a{padding:12px;font-size:11px;min-height:54px}.vx-notice-button{font-size:12px}.vx-notice-button small{font-size:10px}.subject-grid{gap:12px}.subject-card{padding:20px 16px}.subject-card .sc-name{font-size:14px}.sc-description{font-size:11px;min-height:56px}.subject-card .sc-count{font-size:10px}.sc-action{font-size:11px}.section-heading h2{font-size:24px}.category-card{padding:20px 16px}.category-card h2{font-size:16px}.category-card p{font-size:12px}.resource-row h3{font-size:14px}.vx-premium-grid{grid-template-columns:1fr}.vx-premium-card{min-height:100px;padding:20px}.vx-premium-list .result-card{align-items:flex-start;flex-wrap:wrap}.vx-motion-toggle{right:16px;bottom:88px}.reader-toolbar{padding:10px}.reader-toolbar #reader-title{flex-basis:100%}.reader-toolbar button{padding:9px 12px}.top-nav .brand{font-size:12px}.top-nav .nav-actions{gap:4px}#theme-toggle{min-width:44px!important}#site-menu{top:72px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.vx-progress{display:none}}
/* Inspection fixes: contain quick links; premium is its own authorized route. */
.vx-quick,.vx-recent{width:calc(100% - 48px);max-width:1120px;margin:28px auto 36px}.vx-recent{margin-top:0}.class-picker{grid-template-columns:repeat(2,minmax(0,1fr))}.class-picker a{min-width:0}.class-picker strong{white-space:normal}.vx-premium-route #home-header,.vx-premium-route #browse,.vx-premium-route #global-search,.vx-premium-route .vx-quick,.vx-premium-route .vx-recent{display:none!important}body:not(.vx-premium-route) #premium{display:none}body.devil .vx-notice-button,body.devil .vx-motion-toggle,body.devil .vx-premium-nav button{background:var(--bg2);color:var(--ink);box-shadow:none}body.devil .vx-premium-card{background:var(--card);color:var(--ink);box-shadow:none}.vx-premium-route #premium{padding-top:24px}.vx-motion-toggle{opacity:.95}body.devil .reader-toolbar button{background:var(--bg2);color:var(--ink);box-shadow:none}
@media(max-width:600px){.vx-quick,.vx-recent{width:calc(100% - 32px)}.class-picker strong{font-size:23px}.class-picker strong i{font-size:20px}.class-picker a{padding:19px 12px}.vx-quick a{font-size:12px}body.devil .class-picker strong{font-size:23px}.vx-motion-toggle{bottom:92px}}
/* Keep the existing pager usable at phone widths without changing its handlers. */
#reader-pager{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;align-items:center}#reader-pager[hidden]{display:none}#reader-page-label{grid-column:1/-1;grid-row:1;white-space:normal;overflow-wrap:anywhere;font-size:12px;text-align:left;order:0}#reader-prev,#reader-next,#reader-jump,#reader-zoom,#reader-fs,#reader-slider{order:0;min-width:0;width:100%;margin:0}#reader-prev{grid-column:1/3;grid-row:2}#reader-next{grid-column:3/5;grid-row:2}#reader-jump{grid-column:1;grid-row:3}#reader-slider{grid-column:2/5;grid-row:3;min-height:44px}#reader-zoom{grid-column:1/3;grid-row:4}#reader-fs{grid-column:3/5;grid-row:4}#reader-canvas-wrap{overscroll-behavior:contain}.vx-premium-route .home-extra{display:none!important}.vx-premium-route #premium{min-height:65vh}body.devil #bats-layer{display:none}.hero-panel::after{content:'';position:absolute;inset:-10%;background:radial-gradient(ellipse at 80% 20%,#4e97741a,transparent 55%);pointer-events:none;z-index:-1;animation:vx-ambient 6s ease-in-out 2 alternate}body.devil .hero-panel::after{background:radial-gradient(ellipse at 80% 20%,#f2527028,transparent 55%)}@keyframes vx-ambient{from{transform:translate(-2%,0);opacity:.4}to{transform:translate(2%,3%);opacity:1}}.hero-chips{background:linear-gradient(110deg,var(--accent) 25%,var(--ink) 45%,var(--accent) 65%);background-size:220% auto;background-clip:text;-webkit-background-clip:text;color:transparent;animation:vx-highlight 3s ease-out 2}@keyframes vx-highlight{from{background-position:100% center}to{background-position:0 center}}
@media(max-width:600px){.class-picker strong,body.devil .class-picker strong{font-size:20px;white-space:nowrap;gap:5px}.class-picker strong i{font-size:16px}.class-picker a{padding:19px 10px}#reader-pager button{font-size:12px;padding:9px 6px}}
@media(prefers-reduced-motion:reduce){.hero-panel::after,.hero-chips{animation:none!important}}
body:has(#reader:not([hidden])) #bx-chip,body:has(#reader:not([hidden])) #chat-fab,body:has(#reader:not([hidden])) .vx-motion-toggle{display:none!important}#reader{scroll-margin-top:84px}.reader-loading{background:var(--card)}body.devil .reader-loading button{background:var(--accent);color:#170b10;box-shadow:none}
/* Native-dialog progressive enhancement, with unchanged close/focus handlers. */
#book-index,#bx-notice{transition:opacity 180ms ease,transform 180ms var(--vx-ease),display 180ms allow-discrete,overlay 180ms allow-discrete}#book-index[open],#bx-notice[open]{opacity:1;transform:translateY(0)}#book-index:not([open]),#bx-notice:not([open]){opacity:0;transform:translateY(6px)}@starting-style{#book-index[open],#bx-notice[open]{opacity:0;transform:translateY(6px)}}
@media(prefers-reduced-motion:reduce){#book-index,#bx-notice{transition:none!important}}
/* In-flow utility controls avoid covering study content at any scroll position. */
#bx-chip{position:static;min-height:44px;margin:14px 0 0;background:var(--bg2);color:var(--ink);border:1px solid var(--line);box-shadow:none;font-size:12px;max-width:100%;white-space:normal}.vx-board-status{max-width:1120px;width:calc(100% - 32px);margin:10px auto 0}.vx-board-status[hidden]{display:none}.vx-board-status #bx-chip{margin:0}.vx-motion-toggle,body.devil .vx-motion-toggle{position:static;display:flex;align-items:center;justify-content:flex-start;width:100%;height:48px;padding:12px 14px;margin:8px 0 0;border:1px solid var(--line);border-radius:10px;box-shadow:none;gap:12px}.vx-motion-toggle::after{content:'Pause decorative motion';font-size:12px}.vx-motion-toggle[aria-pressed=true]::after{content:'Enable decorative motion'}.vx-contact-footer{display:flex;align-items:center;justify-content:center;gap:14px;padding:24px 16px 40px;color:var(--ink-soft);font-size:13px}#chat-fab{position:static;inset:auto;flex:none;box-shadow:none}.vx-chat-icon{display:none}.vx-chat-icon svg{width:20px;height:20px}.top-nav .nav-actions{align-items:center}body:has(#reader:not([hidden])) .vx-contact-footer{display:none}
@media(max-width:600px){.top-nav #nav-bot{display:inline-flex!important;width:44px;min-width:44px;height:44px;padding:10px;align-items:center;justify-content:center}.vx-chat-label{display:none}.vx-chat-icon{display:inline-flex}.top-nav .brand{font-size:11px;white-space:nowrap}.top-nav{gap:8px}.top-nav .nav-actions{gap:2px}.vx-motion-toggle{bottom:auto}}
#chat-photo-btn svg{width:22px;height:22px}