:root{--bg:#0b0d19;--surface:#11131f;--surface-low:#191b27;--surface-high:#272936;--surface-top:#323441;--text:#e1e1f3;--muted:#b9cacb;--outline:#849495;--cyan:#00f2fe;--cyan-dim:#00dce6;--amber:#ffaa00;--amber-soft:#ffcf90;--violet:#7928ca;--coral:#ff8b7d;--line:rgba(255,255,255,.09);--glass:rgba(19,23,46,.68);--shadow:0 24px 64px -12px rgba(0,0,0,.8),0 0 32px rgba(0,242,254,.09);font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}html{min-width:320px;background:var(--bg)}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% -10%,rgba(121,40,202,.16),transparent 34%),radial-gradient(circle at 86% 52%,rgba(255,170,0,.08),transparent 28%),var(--bg);overflow-x:hidden}button,input{font:inherit}button{cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.nebula{position:fixed;border-radius:50%;pointer-events:none;filter:blur(90px);opacity:.42}.nebula-left{width:370px;height:370px;left:-170px;top:16%;background:rgba(0,242,254,.1)}.nebula-right{width:460px;height:460px;right:-220px;top:42%;background:rgba(121,40,202,.13)}h1,h2,p{margin:0}.status-pill,.feature-ticker,.card-kicker,.sanctum-footer,.voice-api,.assistant-kicker,.prompt-label,.message-label,.streak-chip,.voice-badge,.mode,.drag-hint{font-family:'DM Mono',monospace;letter-spacing:.08em;font-size:10px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:ping 2s infinite}.login-sanctum{position:relative;width:min(100%,720px);margin:0 auto;padding:34px 24px 26px;text-align:center}.sanctum-header{position:relative;z-index:1}.status-pill{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:99px;background:rgba(50,52,65,.72);color:var(--cyan);box-shadow:inset 0 1px rgba(255,255,255,.05)}.sanctum-header h1{font:700 clamp(42px,9vw,68px)/1 'Outfit',sans-serif;letter-spacing:-.04em;margin-top:20px;background:linear-gradient(90deg,var(--cyan),#4facfe,var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 28px rgba(0,242,254,.18)}.sanctum-header h1 span{color:var(--amber)}.sanctum-header p{color:var(--muted);font-size:16px;line-height:1.5;margin-top:10px}.feature-ticker{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:22px auto 0;padding:8px 14px;border-radius:10px;background:rgba(25,27,39,.82);color:var(--text);font-size:10px}.feature-ticker span:first-child{color:var(--amber-soft)}.feature-ticker span:nth-of-type(2){color:var(--cyan)}.feature-ticker span:nth-of-type(3){color:var(--amber)}.feature-ticker b{color:var(--outline)}.login-showcase{height:340px;position:relative;margin:15px 0 4px;overflow:hidden;perspective:1200px}.login-showcase #hero-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.6}.science-glyph{position:absolute;color:rgba(0,242,254,.22);font:42px Georgia,serif;animation:float 5s ease-in-out infinite}.glyph-pi{left:7%;top:25%}.glyph-energy{right:9%;top:26%;font:24px 'Outfit',sans-serif;color:rgba(255,170,0,.22);animation-delay:1s}.glyph-infinity{left:17%;bottom:22%;animation-delay:2s}.glyph-star{right:17%;bottom:17%;color:rgba(255,207,144,.35);animation-delay:1.5s}.book-stage{position:absolute;inset:10px 0 38px;display:grid;place-items:center}.book-shape{position:relative;width:164px;height:224px;transform:rotateY(-18deg) rotateX(9deg) rotateZ(1deg);transform-style:preserve-3d;transition:transform .5s ease;filter:drop-shadow(0 22px 18px rgba(0,0,0,.5))}.book-shape:hover{transform:rotateY(-3deg) rotateX(2deg) scale(1.04)}.book-shadow{position:absolute;width:210px;height:22px;bottom:42px;border-radius:50%;background:rgba(0,242,254,.18);filter:blur(16px)}.book-cover{position:absolute;inset:0;border-radius:9px;background:linear-gradient(135deg,#272936,#11131f 72%);border-left:7px solid var(--cyan);box-shadow:inset 0 1px rgba(255,255,255,.12),0 0 24px rgba(0,242,254,.13);padding:14px;display:flex;flex-direction:column;justify-content:space-between;text-align:left}.book-volume{align-self:flex-end;color:var(--amber-soft);font:10px 'DM Mono',monospace}.book-title{margin-top:auto;color:var(--cyan);font:700 22px 'Outfit',sans-serif}.book-title small{display:block;color:var(--muted);font:10px 'DM Mono',monospace;margin-top:7px}.book-time{display:flex;justify-content:space-between;align-items:center;color:var(--outline);font:10px 'DM Mono',monospace}.book-time i{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px var(--amber)}.drag-hint{position:absolute;bottom:11px;left:0;right:0;color:var(--outline);font-size:9px}.login-card{position:relative;text-align:left;padding:28px;border-radius:18px;background:rgba(29,31,44,.86);backdrop-filter:blur(20px);box-shadow:var(--shadow);overflow:hidden}.card-glow{position:absolute;width:190px;height:190px;right:-60px;top:-80px;border-radius:50%;background:rgba(0,242,254,.12);filter:blur(35px)}.card-heading,.login-card form,.privacy-note{position:relative;z-index:1}.card-kicker{color:var(--cyan-dim);font-size:10px}.card-heading h2{font:600 34px/1.08 'Outfit',sans-serif;letter-spacing:-.03em;margin-top:9px}.card-heading h2 em{color:var(--amber-soft);font:400 34px Georgia,serif}.card-heading p{color:var(--muted);font-size:13px;line-height:1.6;margin-top:10px}.login-card form{margin-top:22px}.login-card label{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;font-weight:600;margin:15px 0 7px}.required{color:var(--amber);font:10px 'DM Mono',monospace}.optional{color:var(--outline);font:10px 'DM Mono',monospace;font-weight:400}.field-wrap{position:relative}.field-icon{position:absolute;left:14px;top:13px;color:var(--outline);font-size:19px;z-index:1}.login-card input{width:100%;border:1px solid transparent;border-radius:9px;padding:14px 14px 14px 43px;background:rgba(11,13,25,.82);color:var(--text);outline:none;transition:.2s}.login-card input::placeholder{color:#64748b}.login-card input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,242,254,.15)}.field-hint{color:var(--outline);font-size:10px;line-height:1.5;margin:9px 0 15px}.button{border:0;border-radius:9px;padding:13px 16px;font-weight:700;transition:.2s}.button:hover{transform:translateY(-1px)}.button:focus-visible,.choice-button:focus-visible,.text-button:focus-visible,.icon-button:focus-visible,.voice-button:focus-visible,.mute-button:focus-visible{outline:3px solid var(--amber-soft);outline-offset:3px}.button-primary{width:100%;background:linear-gradient(90deg,var(--cyan),var(--cyan-dim),var(--amber));color:#0b0d19;box-shadow:0 0 20px rgba(0,242,254,.22)}.button-ghost{width:100%;margin-top:9px;background:var(--surface-high);color:var(--text);border:1px solid rgba(255,255,255,.04)}.button-ghost:hover{background:var(--surface-top)}.form-message{min-height:17px;color:var(--coral);font-size:11px;margin-top:11px}.privacy-note{display:flex;gap:9px;margin-top:17px;padding:12px;border-radius:9px;background:rgba(11,13,25,.5);color:var(--muted);font-size:10px;line-height:1.5}.shield{color:var(--amber);font-size:18px}.sanctum-footer{display:flex;justify-content:space-between;gap:10px;color:var(--outline);font-size:9px;margin-top:24px}.sanctum-footer i,.footer-ready i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);margin-right:5px}.app-header{height:80px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 3.5vw;border-bottom:1px solid var(--line);background:rgba(11,13,25,.82);backdrop-filter:blur(22px);position:relative;z-index:3}.brand-link{display:flex;align-items:center;gap:8px;color:var(--text);text-decoration:none;position:relative}.brand-wordmark{font:700 20px 'Outfit',sans-serif;letter-spacing:-.04em}.brand-wordmark b{color:var(--cyan)}.brand-link small{position:absolute;top:25px;left:0;color:var(--muted);font-size:8px;white-space:nowrap}.voice-badge{padding:4px 7px;border-radius:6px;background:var(--surface-high);color:var(--amber-soft);font-size:8px}.top-nav{display:flex;gap:3px;padding:4px;border-radius:10px;background:rgba(25,27,39,.65)}.top-nav a{padding:9px 13px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:12px}.top-nav a:hover,.top-nav a.active{color:var(--cyan);background:var(--surface-high);box-shadow:0 0 16px rgba(0,242,254,.12)}.header-actions{display:flex;align-items:center;gap:12px}.streak-chip{color:var(--amber-soft);font-size:9px;padding:7px 10px;border-radius:99px;background:var(--surface-high)}.streak-chip i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px var(--amber);margin-right:4px}.profile-chip{padding:7px 10px;border-radius:99px;background:var(--surface-low);color:var(--muted);font-size:11px}.text-button{border:0;background:none;color:var(--muted);font-size:11px;padding:6px}.text-button:hover{color:var(--text)}.assistant-page{width:min(100%,1120px);margin:0 auto;padding:30px 24px 20px;position:relative}.assistant-hero{text-align:center;position:relative;z-index:1}.assistant-kicker{display:inline-flex;gap:8px;align-items:center;padding:8px 14px;border-radius:99px;background:rgba(39,41,54,.75);color:var(--cyan-dim);font-size:9px}.assistant-kicker b{color:var(--outline)}.orb-mode-bar{display:flex;justify-content:center;gap:3px;width:max-content;max-width:100%;margin:18px auto 8px;padding:4px;border-radius:99px;background:rgba(11,13,25,.76)}.mode{padding:8px 13px;border-radius:99px;color:var(--muted);font-size:10px;letter-spacing:0}.mode.active{color:var(--text);background:var(--surface-high);box-shadow:0 0 12px rgba(0,242,254,.2)}.hero-orb-wrap{height:275px;display:grid;place-items:center;position:relative}.orb-halo{position:absolute;border-radius:50%;width:240px;height:240px;filter:blur(32px);opacity:.45}.halo-one{background:var(--cyan)}.halo-two{width:180px;height:180px;background:var(--violet);transform:translate(30px,15px)}.assistant-orb{width:175px;height:175px;border-radius:50%;position:relative;display:grid;place-items:center;background:linear-gradient(140deg,var(--cyan),var(--violet) 48%,var(--amber));box-shadow:0 0 55px rgba(0,242,254,.44),inset 0 2px 18px rgba(255,255,255,.6);transition:.5s}.assistant-orb.is-listening{transform:scale(1.08);box-shadow:0 0 80px rgba(0,242,254,.7),0 0 120px rgba(255,170,0,.25)}.assistant-orb.is-speaking{transform:scale(1.04)}.orb-shimmer{position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 28% 24%,rgba(255,255,255,.85),transparent 42%);mix-blend-mode:overlay}.orb-core{width:65px;height:65px;display:grid;place-items:center;border-radius:50%;background:rgba(11,13,25,.64);color:var(--text);font:40px 'Outfit',sans-serif;box-shadow:inset 0 2px 10px rgba(255,255,255,.12)}.orb-ring{position:absolute;border:1px dashed rgba(0,242,254,.62);border-radius:50%;inset:-18px;transform:rotate(14deg);animation:orbit 13s linear infinite}.ring-two{inset:-31px;border-color:rgba(255,207,144,.42);transform:rotate(-20deg);animation-duration:9s;animation-direction:reverse}.orb-spectrum{position:absolute;bottom:20px;display:flex;align-items:end;gap:4px;opacity:0;transition:.3s}.is-listening .orb-spectrum,.is-speaking .orb-spectrum{opacity:1}.orb-spectrum i{display:block;width:4px;border-radius:4px;background:var(--bg);height:10px;animation:spectrum .8s ease-in-out infinite}.orb-spectrum i:nth-child(2){height:22px;animation-delay:.15s}.orb-spectrum i:nth-child(3){height:15px;animation-delay:.3s}.orb-spectrum i:nth-child(4){height:25px;animation-delay:.08s}.assistant-greeting h1{font:600 clamp(28px,4vw,40px)/1.2 'Outfit',sans-serif;letter-spacing:-.03em}.assistant-greeting h1 em{color:var(--cyan);font-style:normal}.assistant-greeting p{color:var(--muted);font-size:15px;line-height:1.6;margin-top:7px}.voice-control-bar{display:flex;align-items:center;justify-content:center;gap:10px;width:max-content;max-width:100%;margin:20px auto 0;padding:6px 8px 6px 14px;border-radius:99px;background:rgba(25,27,39,.86);box-shadow:var(--shadow)}.voice-api{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:9px}.voice-api i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}.voice-button{border:0;border-radius:99px;padding:11px 17px;background:linear-gradient(90deg,var(--cyan),var(--cyan-dim));color:#002022;box-shadow:0 0 24px rgba(0,242,254,.36);font-size:12px}.voice-button.listening{background:linear-gradient(90deg,var(--amber),var(--amber-soft));animation:ping 1.1s infinite}.mute-button{width:39px;height:39px;border:0;border-radius:50%;background:var(--surface-high);color:var(--text);font-size:17px}.voice-status{min-height:18px;color:var(--outline);font-size:10px;margin-top:8px}.prompt-section{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:7px;margin:22px auto 28px;max-width:900px}.prompt-label{color:var(--outline);font-size:9px;margin-right:5px}.choice-button{border:1px solid rgba(255,255,255,.05);border-radius:99px;padding:8px 11px;background:var(--surface-high);color:var(--text);font-size:11px;transition:.2s}.choice-button small{color:var(--muted);font-size:9px;margin-left:4px}.choice-button:hover{transform:translateY(-2px);background:var(--surface-top);border-color:var(--cyan)}.choice-button.cyan{box-shadow:inset 3px 0 var(--cyan)}.choice-button.coral{box-shadow:inset 3px 0 var(--coral)}.choice-button.teal{box-shadow:inset 3px 0 #4de4cf}.choice-button.violet{box-shadow:inset 3px 0 #c58aff}.choice-button.white{box-shadow:inset 3px 0 var(--text)}.choice-button.amber{box-shadow:inset 3px 0 var(--amber)}.thread-section{position:relative;z-index:1}.thread-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.thread-heading h2{font:600 22px 'Outfit',sans-serif}.thread-heading h2 span{font:9px 'DM Mono',monospace;color:var(--muted);padding:5px 8px;border-radius:99px;background:var(--surface-high);vertical-align:middle;margin-left:5px;letter-spacing:.04em}.thread-card{min-height:120px;padding:20px;border-radius:14px;background:rgba(25,27,39,.72);border:1px solid var(--line);box-shadow:var(--shadow)}.message-label{display:block;color:var(--cyan);font-size:9px}.message-label b{color:var(--muted);font-weight:400}.message p{font-size:17px;line-height:1.55;margin-top:8px;max-width:780px}.user-message{text-align:right;margin-top:18px}.user-message .message-label{color:var(--amber-soft)}.user-message p{color:var(--muted);font-size:14px}.chat-input-row{display:flex;align-items:center;gap:8px;margin-top:10px;padding:5px 7px 5px 14px;border-radius:12px;background:rgba(11,13,25,.88);border:1px solid rgba(255,255,255,.05)}.input-mic{color:var(--muted)}.chat-input-row input{flex:1;border:0;background:transparent;color:var(--text);outline:0;font-size:13px;padding:11px 4px}.chat-input-row input::placeholder{color:var(--outline)}.send-button{width:38px;height:38px;border:0;border-radius:10px;background:var(--cyan);color:#002022;font-size:17px}.chat-footer{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-top:55px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.chat-footer .brand-wordmark{display:block}.chat-footer .brand-wordmark small{display:block;color:var(--muted);font:10px 'Plus Jakarta Sans',sans-serif;margin-top:6px}.footer-ready{color:var(--cyan);font:9px 'DM Mono',monospace}@keyframes ping{50%{opacity:.58;transform:scale(.94)}}@keyframes float{50%{transform:translateY(-12px) rotate(3deg)}}@keyframes orbit{to{transform:rotate(374deg)}}@keyframes spectrum{50%{height:24px}}@media(max-width:900px){.top-nav{display:none}.app-header{padding:0 18px}.streak-chip{display:none}.header-actions{gap:6px}.assistant-page{padding:26px 16px}.chat-footer{flex-direction:column;align-items:flex-start}.login-sanctum{padding:28px 16px}.login-showcase{height:300px}.feature-ticker{font-size:9px}.sanctum-footer{flex-direction:column;align-items:center}}@media(max-width:560px){.brand-link small{display:none}.brand-wordmark{font-size:18px}.profile-chip{max-width:92px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.assistant-kicker{font-size:8px}.mode{padding:7px 8px;font-size:9px}.hero-orb-wrap{height:245px}.assistant-orb{width:150px;height:150px}.orb-core{width:58px;height:58px}.voice-control-bar{width:100%;border-radius:16px;flex-wrap:wrap;padding:9px}.voice-api{width:100%;justify-content:center}.voice-button{flex:1}.assistant-greeting p{font-size:13px}.choice-button small{display:none}.prompt-label{width:100%;text-align:center;margin-bottom:3px}.thread-heading{align-items:flex-start;gap:10px}.thread-heading h2{font-size:19px}.thread-heading h2 span{display:block;width:max-content;margin:5px 0 0}.message p{font-size:15px}.card-heading h2,.card-heading h2 em{font-size:30px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}.login-showcase #hero-canvas{display:none}}

/* Stage 2: tactile, validated book shelf */
.books-section{position:relative;z-index:1;margin:12px 0 28px;padding:22px;border:1px solid rgba(0,242,254,.16);border-radius:18px;background:rgba(19,23,46,.68);backdrop-filter:blur(18px);box-shadow:var(--shadow)}.books-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.section-kicker{font:9px 'DM Mono',monospace;letter-spacing:.11em;color:var(--cyan-dim)}.books-heading h2{font:600 28px 'Outfit',sans-serif;letter-spacing:-.03em;margin-top:6px}.books-heading p{color:var(--muted);font-size:12px;line-height:1.55;margin-top:6px}.source-badge{padding:7px 9px;border-radius:99px;background:var(--surface-high);color:var(--amber-soft);font:9px 'DM Mono',monospace;white-space:nowrap}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.book-card{min-width:0;padding:14px;border-radius:13px;background:rgba(39,41,54,.72);border:1px solid rgba(255,255,255,.06);box-shadow:0 12px 32px -8px rgba(0,0,0,.45);animation:card-in .45s ease both;animation-delay:var(--card-delay);transition:transform .3s,border-color .3s,background .3s}.book-card:hover{transform:translateY(-5px);background:rgba(50,52,65,.8);border-color:rgba(0,242,254,.38)}.book-card-stage{height:188px;display:grid;place-items:center;perspective:1000px}.book-cover-3d{width:116px;height:162px;position:relative;border-radius:6px;overflow:hidden;transform:rotateY(-14deg) rotateX(4deg);transform-style:preserve-3d;box-shadow:12px 18px 18px rgba(0,0,0,.45);transition:transform .45s}.book-card:hover .book-cover-3d{transform:rotateY(-2deg) rotateX(0) scale(1.04)}.book-cover-3d:before{content:"";position:absolute;z-index:2;left:0;top:0;bottom:0;width:7px;background:linear-gradient(90deg,var(--cyan),rgba(0,242,254,.06));mix-blend-mode:screen}.book-cover-3d img{width:100%;height:100%;display:block;object-fit:cover}.cover-placeholder{width:100%;height:100%;display:flex;flex-direction:column;justify-content:space-between;padding:12px 10px;background:linear-gradient(145deg,#323441,#11131f 70%);color:var(--cyan);font:9px 'DM Mono',monospace}.cover-placeholder strong{display:block;height:3px;width:32px;background:var(--amber);box-shadow:0 28px 0 rgba(0,242,254,.7),0 56px 0 rgba(121,40,202,.65)}.cover-placeholder small{color:var(--amber-soft);font-size:8px}.book-meta{min-width:0}.book-tag{display:inline-block;color:var(--cyan-dim);font:8px 'DM Mono',monospace;letter-spacing:.04em;text-transform:uppercase}.book-meta h3{font:600 17px/1.18 'Outfit',sans-serif;margin-top:8px;white-space:normal}.book-meta>p{color:var(--muted);font-size:11px;margin-top:5px}.book-links{display:flex;flex-direction:column;gap:7px;margin-top:14px}.book-links a,.story-button{font-size:10px;color:var(--cyan);text-decoration:none;border:0;background:transparent;padding:0;text-align:left}.book-links a:hover,.story-button:hover{color:var(--amber-soft);text-decoration:underline}.story-button{cursor:pointer}.book-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px;margin-top:17px;padding-top:14px;border-top:1px solid var(--line)}.mini-action{border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:9px 11px;background:var(--surface-high);color:var(--muted);font-size:10px}.mini-action:hover{color:var(--cyan);border-color:rgba(0,242,254,.35)}.books-loading,.books-empty{grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:12px;min-height:150px;text-align:center;color:var(--muted);font-size:12px}.loading-orb{display:block;width:25px;height:25px;border:2px solid rgba(0,242,254,.25);border-top-color:var(--cyan);border-radius:50%;animation:orbit .8s linear infinite}.books-empty{display:block;padding:35px}.books-empty p{margin-bottom:12px}@keyframes card-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:760px){.book-grid{grid-template-columns:1fr}.book-card{display:grid;grid-template-columns:140px 1fr;gap:12px}.book-card-stage{height:190px}.book-actions{justify-content:flex-start}.books-heading{display:block}.source-badge{display:inline-block;margin-top:12px}}@media(max-width:560px){.books-section{padding:15px}.book-card{grid-template-columns:112px 1fr;padding:10px}.book-card-stage{height:170px}.book-cover-3d{width:92px;height:138px}.book-meta h3{font-size:15px}.books-heading h2{font-size:24px}}

/* Story room: same Cosmic Luminary system, scoped to the new story route */
.story-shell{width:min(100%,1040px);margin:0 auto;padding:28px 24px 24px;position:relative}.story-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;position:relative;z-index:1}.download-pdf-button{border:1px solid rgba(0,242,254,.3);border-radius:9px;padding:10px 14px;background:rgba(25,27,39,.86);color:var(--cyan);font-size:11px;font-weight:700}.download-pdf-button:hover{background:var(--surface-high);box-shadow:0 0 20px rgba(0,242,254,.16)}.download-pdf-button:disabled{opacity:.6;cursor:wait}.author-spotlight{display:flex;align-items:center;gap:24px;padding:24px;border-radius:18px;background:rgba(29,31,44,.86);border:1px solid rgba(0,242,254,.14);box-shadow:var(--shadow);position:relative;z-index:1}.author-photo-wrap{width:120px;height:120px;flex:0 0 120px;border-radius:50%;padding:4px;background:linear-gradient(135deg,var(--cyan),var(--violet),var(--amber));box-shadow:0 0 35px rgba(0,242,254,.25)}.author-photo-wrap img,.author-photo-fallback{width:100%;height:100%;border-radius:50%;object-fit:cover}.author-photo-fallback{display:grid;place-items:center;background:linear-gradient(145deg,#323441,#11131f);color:var(--cyan);font:700 34px 'Outfit',sans-serif}.author-copy{min-width:0}.author-copy h1{font:600 clamp(28px,5vw,42px)/1.05 'Outfit',sans-serif;letter-spacing:-.04em;margin-top:7px}.author-years{color:var(--amber-soft);font:11px 'DM Mono',monospace;margin-top:8px}.author-description{max-width:700px;color:var(--muted);font-size:13px;line-height:1.6;margin-top:10px}.source-credit{display:block;color:var(--outline);font:9px 'DM Mono',monospace;margin-top:11px}.story-heading-block{position:relative;z-index:1;margin:30px 0 17px}.story-heading-block h2{font:600 clamp(28px,5vw,43px)/1.05 'Outfit',sans-serif;letter-spacing:-.04em;margin-top:7px}.story-heading-block p{color:var(--muted);font-size:13px;margin-top:8px}.story-tabs{display:flex;gap:5px;width:max-content;max-width:100%;padding:4px;border-radius:12px;background:rgba(25,27,39,.82);position:relative;z-index:1}.story-tab{border:0;border-radius:9px;padding:11px 15px;background:transparent;color:var(--muted);font-size:12px}.story-tab span{color:var(--outline);font:9px 'DM Mono',monospace;margin-left:5px}.story-tab:hover,.story-tab.active{background:var(--surface-high);color:var(--cyan);box-shadow:0 0 18px rgba(0,242,254,.12)}.story-panel{position:relative;z-index:1;margin-top:14px;padding:22px;border-radius:16px;background:rgba(19,23,46,.68);border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}.story-progress-row{display:grid;grid-template-columns:auto minmax(80px,1fr) auto;align-items:center;gap:12px;color:var(--muted);font:9px 'DM Mono',monospace;letter-spacing:.06em}.story-progress-row>span:last-child{color:var(--amber-soft);text-align:right}.story-progress{height:5px;border-radius:99px;background:var(--surface-high);overflow:hidden}.story-progress i{display:block;width:16.66%;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--amber));box-shadow:0 0 10px rgba(0,242,254,.45);transition:width .25s}.book-progress i{background:linear-gradient(90deg,var(--violet),var(--cyan))}.story-card-large{min-height:260px;margin-top:18px;padding:30px 34px;border-radius:14px;background:linear-gradient(145deg,rgba(50,52,65,.82),rgba(17,19,31,.9));border:1px solid rgba(0,242,254,.14);box-shadow:inset 0 1px rgba(255,255,255,.07),0 20px 42px -20px rgba(0,0,0,.7);position:relative;overflow:hidden}.story-card-large:after{content:"✦";position:absolute;right:28px;bottom:18px;color:rgba(0,242,254,.16);font-size:100px;line-height:1}.story-card-large .card-number{color:var(--cyan);font:10px 'DM Mono',monospace;letter-spacing:.13em}.story-card-large h3{position:relative;z-index:1;font:600 clamp(26px,4vw,38px)/1.1 'Outfit',sans-serif;letter-spacing:-.035em;margin-top:24px}.story-card-large p{position:relative;z-index:1;max-width:760px;color:var(--muted);font-size:17px;line-height:1.7;margin-top:16px}.story-card-large .card-source{position:relative;z-index:1;display:block;color:var(--outline);font:9px 'DM Mono',monospace;margin-top:24px}.story-controls{display:flex;justify-content:space-between;gap:10px;margin-top:15px}.story-control{border:1px solid rgba(255,255,255,.1);border-radius:9px;padding:10px 15px;background:var(--surface-high);color:var(--muted);font-size:11px}.story-control:hover{color:var(--cyan);border-color:rgba(0,242,254,.3)}.story-control.primary{background:linear-gradient(90deg,var(--cyan),var(--cyan-dim));border:0;color:#002022;font-weight:700}.summary-note{color:var(--outline);font:9px 'DM Mono',monospace;margin-top:15px}.read-book-section,.action-section{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px;padding:19px 22px;border-radius:14px;background:rgba(25,27,39,.82);border:1px solid var(--line);position:relative;z-index:1}.read-book-section h2,.action-section h2{font:600 20px 'Outfit',sans-serif;margin-top:6px}.read-book-section p,.action-section p{color:var(--muted);font-size:12px;line-height:1.55;margin-top:5px}.download-legal-button{flex:0 0 auto;border-radius:9px;padding:11px 14px;background:var(--amber);color:#261700;text-decoration:none;font-size:11px;font-weight:700}.download-legal-button:hover{background:var(--amber-soft)}.action-section{border-color:rgba(255,170,0,.2);background:linear-gradient(110deg,rgba(255,170,0,.09),rgba(25,27,39,.82))}.action-mark{font-size:38px;color:var(--amber);text-shadow:0 0 22px rgba(255,170,0,.5)}.story-message{min-height:20px;position:relative;z-index:1;color:var(--coral);font-size:11px;margin-top:13px}.story-page .chat-footer{position:relative;z-index:1;margin-top:36px}.story-page [hidden]{display:none!important}@media(max-width:640px){.story-shell{padding:20px 15px}.story-toolbar{align-items:flex-start}.author-spotlight{align-items:flex-start;gap:15px;padding:17px}.author-photo-wrap{width:82px;height:82px;flex-basis:82px}.author-photo-fallback{font-size:25px}.author-copy h1{font-size:27px}.author-description{font-size:12px}.story-tabs{width:100%}.story-tab{flex:1;padding:10px 7px}.story-tab span{display:block;margin:3px 0 0}.story-panel{padding:15px}.story-card-large{min-height:290px;padding:23px 20px}.story-card-large p{font-size:15px}.read-book-section,.action-section{align-items:flex-start;flex-direction:column}.download-legal-button{width:100%;text-align:center}.story-heading-block{margin-top:24px}.story-toolbar .status-pill{font-size:8px}.download-pdf-button{font-size:10px;padding:9px 10px}}
@media print{body{background:#fff!important;color:#111!important}.app-header,.story-toolbar,.story-tabs,.story-controls,.read-book-section,.story-message,.chat-footer,.nebula{display:none!important}.story-shell{width:100%;padding:0}.author-spotlight,.story-panel,.action-section{break-inside:avoid;box-shadow:none;border:1px solid #bbb;background:#fff;color:#111}.author-description,.story-card-large p,.action-section p{color:#222}.story-card-large{min-height:0}.story-card-large:after{display:none}.story-card-large h3,.story-heading-block h2,.author-copy h1,.story-card-large .card-number{color:#111}.story-panel[hidden]{display:none!important}}

.read-book-links{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px;max-width:560px}.legal-secondary-link{color:var(--cyan);font-size:10px;text-decoration:none;padding:8px 9px;border:1px solid rgba(0,242,254,.14);border-radius:8px;background:rgba(11,13,25,.32)}.legal-secondary-link:hover{color:var(--amber-soft);border-color:rgba(255,170,0,.3)}.download-legal-button[aria-busy="true"]{opacity:.65;cursor:wait}.story-toolbar .download-pdf-button{white-space:nowrap}@media(max-width:640px){.read-book-links{width:100%;max-width:none;justify-content:flex-start}.read-book-links a{flex:1 1 46%;text-align:center}.story-toolbar .download-pdf-button{white-space:normal;text-align:center}}

.read-control{color:var(--cyan);border-color:rgba(0,242,254,.18)}.read-control:hover{color:var(--amber-soft)}.story-empty{padding:42px 24px;text-align:center;border:1px dashed rgba(255,139,125,.35);border-radius:13px;background:rgba(255,139,125,.05)}.story-empty h3{font:600 24px 'Outfit',sans-serif;color:var(--coral)}.story-empty p{max-width:560px;margin:9px auto 17px;color:var(--muted);font-size:13px;line-height:1.6}.story-empty .story-control{display:inline-block}

.preview-section{position:relative;z-index:1;margin-top:18px;padding:20px 22px;border-radius:15px;background:rgba(19,23,46,.68);border:1px solid rgba(0,242,254,.16);box-shadow:var(--shadow)}.preview-copy h2{font:600 22px 'Outfit',sans-serif;margin-top:6px}.preview-copy p{max-width:760px;color:var(--muted);font-size:13px;line-height:1.6;margin-top:7px}.preview-button{margin-top:15px;border:0;border-radius:9px;padding:11px 15px;background:linear-gradient(90deg,var(--cyan),var(--cyan-dim));color:#002022;font-size:11px;font-weight:700}.preview-button:hover{box-shadow:0 0 20px rgba(0,242,254,.28)}.preview-button:disabled{opacity:.62;cursor:wait}.google-preview-frame{width:100%;height:520px;margin-top:18px;border-radius:11px;overflow:hidden;background:#fff;border:1px solid rgba(255,255,255,.15)}.preview-message{min-height:17px;color:var(--outline);font-size:10px;margin-top:9px}.preview-section .source-credit{margin-top:8px;color:var(--cyan)}@media(max-width:640px){.preview-section{padding:17px}.google-preview-frame{height:430px}}

/* Interaction safety: decorative layers never capture clicks. */
#hero-canvas,.login-showcase canvas,.nebula,.science-glyph,.book-stage,.book-shadow,.orb-halo,.orb-shimmer,.orb-ring,.orb-spectrum,.card-glow{pointer-events:none;z-index:0}.app-header{position:sticky;top:0;z-index:20}.top-nav,.top-nav a,.header-actions,.brand-link{position:relative;z-index:21}.top-nav a:focus-visible,.mobile-nav a:focus-visible,.brand-link:focus-visible,.text-button:focus-visible,.button:focus-visible,.story-control:focus-visible,.download-pdf-button:focus-visible,.download-legal-button:focus-visible,.preview-button:focus-visible,.send-button:focus-visible,.choice-button:focus-visible,.mini-action:focus-visible{outline:3px solid var(--amber-soft);outline-offset:3px}.mobile-nav{display:none}.nav-page-body{min-height:100vh;background:radial-gradient(circle at 50% -10%,rgba(121,40,202,.16),transparent 34%),var(--bg)}.nav-page{position:relative;width:min(100%,900px);margin:0 auto;padding:58px 24px 80px;z-index:1}.nav-page-card{position:relative;z-index:1;padding:34px;border-radius:18px;background:rgba(29,31,44,.86);box-shadow:var(--shadow);border:1px solid var(--line)}.nav-page-card h1{font:600 clamp(32px,6vw,52px)/1.05 'Outfit',sans-serif;margin-top:9px}.nav-page-card>p{color:var(--muted);font-size:14px;line-height:1.65;margin-top:12px;max-width:680px}.nav-form{display:grid;gap:8px;max-width:560px;margin-top:25px}.nav-form label{color:var(--muted);font-size:12px;font-weight:600;margin-top:7px}.nav-form input{width:100%;border:1px solid transparent;border-radius:9px;padding:13px 14px;background:rgba(11,13,25,.82);color:var(--text);outline:none}.nav-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,242,254,.15)}.nav-progress{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}.meter-track{height:12px;margin-top:11px;border-radius:99px;background:var(--surface-high);overflow:hidden}.meter-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--amber));transition:width .35s ease}.nav-progress p{color:var(--muted);font-size:12px;margin-top:9px}.saved-empty{display:grid;justify-items:start;gap:12px;margin-top:28px;padding:24px;border-radius:13px;background:rgba(11,13,25,.5);border:1px dashed rgba(0,242,254,.22)}.saved-empty>span{font-size:32px;color:var(--amber)}.saved-empty strong{font:600 20px 'Outfit',sans-serif}.nav-cta{display:inline-block;text-decoration:none;width:auto;text-align:center}.nav-action-link{text-decoration:none}
@media(max-width:900px){.app-header{height:68px;padding:0 14px}.top-nav{display:none}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:10px;right:10px;bottom:10px;z-index:25;padding:5px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(11,13,25,.92);backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.48)}.mobile-nav a{position:relative;z-index:26;padding:10px 3px;border-radius:9px;color:var(--muted);text-align:center;text-decoration:none;font-size:10px}.mobile-nav a.active,.mobile-nav a:hover{color:var(--cyan);background:var(--surface-high)}body{padding-bottom:78px}.login-page{padding-bottom:78px}.nav-page{padding:34px 16px 35px}.nav-page-card{padding:25px 20px}.login-app-header .header-actions{display:none}}
@media(max-width:560px){.brand-wordmark{font-size:17px}.voice-badge{font-size:7px}.profile-chip{max-width:92px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-nav a{font-size:9px}.nav-page-card h1{font-size:35px}}


/* Global interaction polish: every actionable control and card makes its affordance clear. */
button,
a[href],
[role="button"],
.choice-button,
.story-tab,
.book-story-card,
.story-card-large,
.story-panel,
.nav-page-card,
.read-book-section,
.download-legal-button,
.preview-button,
.mini-action,
.nav-cta,
.mobile-nav a,
.top-nav a{cursor:pointer}
button:disabled,
[aria-disabled="true"]{cursor:not-allowed}
button:not(:disabled),
a[href],
.choice-button,
.story-tab,
.book-story-card,
.story-card-large,
.story-panel,
.nav-page-card,
.read-book-section,
.download-legal-button,
.preview-button,
.mini-action,
.nav-cta,
.mobile-nav a,
.top-nav a{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease,color .2s ease}
.book-story-card:hover,
.story-card-large:hover,
.story-panel:hover,
.nav-page-card:hover,
.read-book-section:hover,
.download-legal-button:hover,
.preview-button:hover,
.mini-action:hover,
.nav-cta:hover{transform:translateY(-3px);border-color:rgba(0,242,254,.58);box-shadow:0 12px 28px rgba(0,0,0,.34),0 0 22px rgba(0,242,254,.12)}
.book-story-card:active,
.story-card-large:active,
.story-panel:active,
.nav-page-card:active,
.read-book-section:active,
button:not(:disabled):active,
a[href]:active{transform:translateY(0) scale(.98)}
button:focus-visible,
a[href]:focus-visible,
[role="button"]:focus-visible,
.choice-button:focus-visible,
.story-tab:focus-visible,
.book-story-card:focus-visible,
.story-card-large:focus-visible,
.story-panel:focus-visible,
.nav-page-card:focus-visible{outline:3px solid var(--amber-soft);outline-offset:3px}
@media(prefers-reduced-motion:reduce){button,a,.choice-button,.story-tab,.book-story-card,.story-card-large,.story-panel,.nav-page-card,.read-book-section{transition:none}.book-story-card:hover,.story-card-large:hover,.story-panel:hover,.nav-page-card:hover,.read-book-section:hover{transform:none}}


/* ---- Saved books + Sankalp additions ---- */
.saved-grid{display:grid;gap:12px;margin-top:24px}
.saved-item{display:grid;grid-template-columns:84px 1fr;gap:14px;padding:12px;border-radius:13px;background:rgba(11,13,25,.5);border:1px solid var(--line)}
.saved-cover{width:84px;height:118px;border-radius:6px;overflow:hidden;display:grid;place-items:center;background:linear-gradient(145deg,#323441,#11131f 70%);color:var(--cyan);font:10px 'DM Mono',monospace}
.saved-cover img{width:100%;height:100%;object-fit:cover;display:block}
.saved-info h3{font:600 18px/1.2 'Outfit',sans-serif;margin:0}
.saved-info p{color:var(--muted);font-size:12px;margin:6px 0 0}
.saved-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.saved-actions .button{width:auto;padding:9px 14px;font-size:12px;margin:0;text-decoration:none}
.sankalp-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font:11px 'DM Mono',monospace;color:var(--amber-soft)}
.sankalp-stats span{padding:6px 10px;border-radius:99px;background:var(--surface-high)}
.sankalp-tick{margin-top:14px;max-width:360px}
.sankalp-tick[hidden]{display:none}
@media(max-width:560px){.saved-item{grid-template-columns:70px 1fr}.saved-cover{width:70px;height:100px}}

/* ---- 3D effects: background canvas, card tilt, colourful 3D pointer ---- */
main{position:relative;z-index:1}
.fx-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.fx-tilt{transition:rotate .12s ease-out,box-shadow .2s ease,transform .3s,border-color .3s,background .3s;box-shadow:0 20px 44px -14px var(--fx-glow,rgba(0,242,254,.4)),0 12px 32px -8px rgba(0,0,0,.45);will-change:rotate}
.fx-toggle{position:fixed;left:14px;bottom:14px;z-index:30;border:1px solid rgba(255,255,255,.12);border-radius:99px;padding:8px 13px;background:rgba(19,23,46,.82);color:var(--muted);font:10px 'DM Mono',monospace;letter-spacing:.06em;backdrop-filter:blur(12px)}
.fx-toggle:hover{color:var(--cyan);border-color:rgba(0,242,254,.4)}
.fx-toggle:focus-visible{outline:3px solid var(--amber-soft);outline-offset:3px}
@media(max-width:900px){.fx-toggle{bottom:88px}}
.dridh-spark{position:fixed;z-index:9998;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;pointer-events:none;background:hsl(var(--h,180) 100% 62%);box-shadow:0 0 12px hsl(var(--h,180) 100% 62%);animation:dridh-spark .6s ease-out forwards}
@keyframes dridh-spark{from{transform:translate(0,0) scale(1);opacity:1}to{transform:translate(var(--dx),var(--dy)) scale(.1);opacity:0}}
@media(prefers-reduced-motion:reduce){.fx-canvas,.dridh-spark{display:none}}

/* ---- 3D rainbow pointer: extruded arrow, orbit rings and colour trail ---- */
@media (hover:hover) and (pointer:fine){
  body.has-dridh-pointer,
  body.has-dridh-pointer *{cursor:none!important}
}
@media all{
  .dridh-pointer{--h:190;position:fixed;left:0;top:0;width:0;height:0;z-index:9999;pointer-events:none;opacity:0;transform:translate3d(-60px,-60px,0);transition:opacity .22s ease;will-change:transform}
  .dridh-pointer.is-visible{opacity:1}
  .dridh-pointer-stage{position:absolute;left:0;top:0;perspective:320px;transform-style:preserve-3d}
  .dridh-pointer-orbit{position:absolute;left:-30px;top:-30px;width:60px;height:60px;transform-style:preserve-3d;transition:transform .25s cubic-bezier(.3,1.6,.5,1)}
  .dridh-pointer-orbit i{position:absolute;inset:0;border-radius:50%;border:3px solid;border-color:hsl(var(--h) 100% 60%) hsl(calc(var(--h) + 90) 100% 62%) hsl(calc(var(--h) + 180) 100% 60%) hsl(calc(var(--h) + 270) 100% 62%);box-shadow:0 0 14px hsl(var(--h) 100% 60% / .45),inset 0 0 8px hsl(calc(var(--h) + 180) 100% 60% / .35);animation:dridh-orbit-a 2.6s linear infinite}
  .dridh-pointer-orbit i:nth-child(2){inset:8px;animation:dridh-orbit-b 3.4s linear infinite reverse;opacity:.85}
  @keyframes dridh-orbit-a{from{transform:rotateX(68deg) rotateZ(0)}to{transform:rotateX(68deg) rotateZ(360deg)}}
  @keyframes dridh-orbit-b{from{transform:rotateY(62deg) rotateZ(0)}to{transform:rotateY(62deg) rotateZ(360deg)}}
  .dridh-pointer-tilt{position:absolute;left:0;top:0;transform-style:preserve-3d;transform-origin:0 0;transform:rotateX(var(--ptilt-x,0deg)) rotateY(var(--ptilt-y,0deg)) scale(var(--pscale,1));transition:transform .08s linear}
  .dridh-pointer-body{position:absolute;left:-3px;top:-3px;width:38px;height:50px;transform-style:preserve-3d;transform-origin:3px 3px;animation:dridh-pointer-float 2.4s ease-in-out infinite}
  @keyframes dridh-pointer-float{0%,100%{transform:rotateY(-38deg) rotateX(14deg)}50%{transform:rotateY(38deg) rotateX(-10deg)}}
  .dridh-pointer-body b{position:absolute;inset:0;clip-path:polygon(8% 6%,8% 82%,30% 66%,45% 98%,60% 91%,46% 61%,80% 60%);background:hsl(calc(var(--h) + 200) 85% calc(22% + var(--i) * 2%));transform:translateZ(calc(var(--i) * -1.3px - 1.3px))}
  .dridh-pointer-body .dridh-pointer-face{background:linear-gradient(140deg,rgba(255,255,255,.95) 0 8%,transparent 30%),conic-gradient(from 200deg at 30% 40%,hsl(var(--h) 100% 60%),hsl(calc(var(--h) + 70) 100% 60%),hsl(calc(var(--h) + 150) 100% 62%),hsl(calc(var(--h) + 230) 100% 62%),hsl(calc(var(--h) + 300) 100% 60%),hsl(var(--h) 100% 60%));transform:translateZ(1px);filter:drop-shadow(0 0 8px hsl(var(--h) 100% 60%)) drop-shadow(0 0 2px #fff)}
  .dridh-pointer.is-hovering{--pscale:1.22}
  .dridh-pointer.is-hovering .dridh-pointer-orbit{transform:scale(1.45)}
  .dridh-pointer.is-hovering .dridh-pointer-orbit i{animation-duration:1.1s}
  .dridh-pointer.is-pressed{--pscale:.82}
  .dridh-pointer.is-pressed .dridh-pointer-orbit{transform:scale(.7)}
  .dridh-pointer-trail{position:fixed;z-index:9998;width:var(--s,8px);height:var(--s,8px);margin:calc(var(--s,8px) / -2) 0 0 calc(var(--s,8px) / -2);border-radius:50%;pointer-events:none;background:radial-gradient(circle at 35% 30%,#fff,hsl(var(--h) 100% 62%) 45%,hsl(calc(var(--h) + 40) 100% 45%));box-shadow:0 0 12px hsl(var(--h) 100% 60%),0 0 22px hsl(calc(var(--h) + 60) 100% 60% / .5);animation:dridh-pointer-trail .62s ease-out forwards}
  @keyframes dridh-pointer-trail{0%{opacity:.9;transform:scale(1)}100%{opacity:0;transform:scale(.1) translateY(8px)}}
}