/* ── LIBRARY SHARED STYLES ── */
/* Extends the ponmile.com design system */

:root {
  --bg:#f4f4f4; --ink:#111; --muted:#666; --card:#fff;
  --line:rgba(17,17,17,.14); --shadow:0 12px 30px rgba(17,17,17,.08);
  --accent:#f4b000; --red:#ff3b30; --teal:#6fd3da;
  --ring:rgba(17,17,17,.2);
}
body.dark-mode {
  --bg:#0f0f0f; --ink:#f0f0f0; --muted:#999; --card:#1a1a1a;
  --line:rgba(255,255,255,.14); --shadow:0 12px 30px rgba(0,0,0,.5);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip;max-width:100%}
body{
  margin:0;
  overflow-x:clip;
  max-width:100%;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  color:var(--ink); background:var(--bg);
  transition:background-color .3s ease,color .3s ease;
}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:3px solid rgba(0,0,0,.25);outline-offset:3px;border-radius:10px}

/* ── PROGRESS BAR ── */
.progress-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--red));z-index:1000;width:0%;transition:width .1s ease}

/* ── WRAP ── */
.wrap{max-width:1100px;width:100%;margin:0 auto;padding:28px 22px 0}

/* ── HEADER / NAV ── */
header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding-top:6px;transition:transform .3s ease,opacity .3s ease;position:sticky;top:0;z-index:200;background:var(--bg);padding-bottom:10px}
header.hidden{transform:translateY(-100%);opacity:0}
.brand{display:flex;align-items:flex-start;gap:12px;min-width:240px}
.dot{width:12px;height:12px;margin-top:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px rgba(244,176,0,.18);flex-shrink:0}
.brand-title{line-height:1.05;font-weight:700;letter-spacing:.2px}
.brand-title .name{display:block;font-size:18px;background:linear-gradient(90deg,#111,var(--accent),#111,var(--red),#111);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:gradientShift 8s ease infinite}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
body.dark-mode .brand-title .name{background:linear-gradient(90deg,#f0f0f0,var(--accent),#f0f0f0,var(--red),#f0f0f0);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:gradientShift 8s ease infinite}

nav{display:flex;gap:22px;font-size:13px;color:#111}
nav a{color:#111;text-decoration:none;position:relative;padding-bottom:2px}
nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent);transition:width .3s ease}
nav a:hover::after{width:100%}

/* ── LIBRARY SUB-NAV ── */
.lib-subnav{max-width:1100px;margin:0 auto;padding:0 22px;display:flex;gap:6px;padding-bottom:0;overflow-x:auto}
.lib-subnav a{font-size:12.5px;font-weight:600;padding:10px 14px;border-bottom:2px solid transparent;color:var(--muted);white-space:nowrap;transition:color .2s,border-color .2s}
.lib-subnav a:hover,.lib-subnav a.active{color:var(--ink);border-bottom-color:var(--accent)}

/* ── CARD ── */
.card{background:rgba(255,255,255,.35);border:1px solid rgba(17,17,17,.12);border-radius:18px;padding:18px;backdrop-filter:blur(8px);transition:transform .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(0,0,0,.12)}
body.dark-mode .card{background:rgba(255,255,255,.06)}

/* ── BOOK CARD ── */
.book-card{border-radius:14px;overflow:hidden;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease;background:var(--card);border:1px solid var(--line);box-shadow:0 4px 14px rgba(0,0,0,.06)}
.book-card:hover{transform:translateY(-5px);box-shadow:0 18px 32px rgba(0,0,0,.14)}
.book-cover{aspect-ratio:2/3;width:100%;border-radius:10px 10px 0 0;position:relative;overflow:hidden;background:var(--cover-accent,#64748b)}
.book-cover-img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}
.book-card:hover .book-cover-img{transform:scale(1.03)}
.book-cover-img.is-hidden{display:none}
.book-cover-fallback{position:absolute;inset:0;display:none;flex-direction:column;justify-content:flex-end;padding:14px 12px 16px;background:linear-gradient(165deg,color-mix(in srgb,var(--cover-accent) 55%,#fff) 0%,var(--cover-accent) 42%,color-mix(in srgb,var(--cover-accent) 65%,#000) 100%);color:#fff;text-align:left}
.book-cover.has-fallback .book-cover-fallback{display:flex}
.book-cover-spine{position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(0,0,0,.08),transparent);pointer-events:none}
.book-cover-glow{position:absolute;inset:0;background:radial-gradient(ellipse 80% 50% at 80% 10%,rgba(255,255,255,.22),transparent 60%);pointer-events:none}
.book-cover-kicker{font-size:9px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;opacity:.85;margin:0 0 8px}
.book-cover-title{font-size:12px;font-weight:800;line-height:1.35;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 8px rgba(0,0,0,.25)}
.book-cover-author{font-size:10px;font-weight:600;opacity:.88;margin:0;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.book-info{padding:10px 12px 12px}
.book-title{font-size:13px;font-weight:700;margin:0 0 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-author{font-size:11px;color:var(--muted);margin:0 0 8px}
.book-progress-bar{height:2px;background:var(--line);border-radius:2px;margin-bottom:8px}
.book-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .4s ease}
.book-meta{display:flex;align-items:center;justify-content:space-between;gap:8px}
.book-tag{display:inline-block;font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px;background:rgba(244,176,0,.12);color:var(--accent);letter-spacing:.3px}

/* ── SHELF (horizontal scroll) ── */
.shelf{display:flex;gap:16px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;max-width:100%;min-width:0}
.shelf::-webkit-scrollbar{height:4px}
.shelf::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.shelf .book-card{min-width:140px;max-width:140px;scroll-snap-align:start;flex-shrink:0}
#view-browse .shelf,#view-dashboard .shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));overflow-x:visible;scroll-snap-type:none;gap:18px}
#view-browse .shelf .book-card,#view-dashboard .shelf .book-card{min-width:0;max-width:none;width:100%;flex-shrink:1}

/* ── SECTION HEADER ── */
.sec-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.sec-hd h2{margin:0;font-size:16px;font-weight:800;letter-spacing:.3px}
.sec-hd a{font-size:12px;color:var(--muted);font-weight:600}
.sec-hd a:hover{color:var(--accent)}

/* ── STATS ROW ── */
.lib-stats{display:flex;gap:32px;align-items:center;margin:10px 0 0;flex-wrap:wrap}
.lib-stat{text-align:center}
.lib-stat .num{font-size:22px;font-weight:800;color:var(--ink)}
.lib-stat .lbl{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.3px;text-transform:uppercase}

/* ── GRID LAYOUTS ── */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
@media(max-width:960px){.grid-6{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.grid-6{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-2{grid-template-columns:1fr}}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:999px;font-size:13px;font-weight:700;border:none;cursor:pointer;transition:transform .15s,box-shadow .15s,filter .15s;font-family:inherit}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.12)}
.btn-accent{background:var(--accent);color:#111}
.btn-teal{background:var(--teal);color:#111}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-sm{padding:6px 14px;font-size:12px}

/* ── DARK MODE TOGGLE ── */
.dark-mode-toggle{position:fixed;bottom:24px;right:24px;width:48px;height:48px;border-radius:50%;background:var(--accent);border:none;cursor:pointer;display:grid;place-items:center;box-shadow:0 4px 12px rgba(0,0,0,.2);transition:transform .2s ease;z-index:999}
.dark-mode-toggle:hover{transform:scale(1.1)}
.dark-mode-toggle svg{width:24px;height:24px;fill:#000}

/* ── FADE IN ── */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ── DIVIDER ── */
.divider{height:1px;background:var(--line);margin:32px 0}

/* ── TOAST ── */
.lib-toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);background:#111;color:#fff;font-size:12.5px;font-weight:600;padding:9px 20px;border-radius:999px;opacity:0;transition:opacity .25s,transform .25s;z-index:9999;pointer-events:none;white-space:nowrap}
.lib-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── AUTH MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:2000;display:none;place-items:center;backdrop-filter:blur(4px)}
.modal-overlay.open{display:grid}
.modal-box{background:var(--bg);border:1px solid var(--line);border-radius:24px;padding:32px;width:min(400px,calc(100vw - 40px));box-shadow:0 32px 80px rgba(0,0,0,.24)}
.modal-tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:24px}
.modal-tab{flex:1;padding:10px;font-size:13px;font-weight:700;background:none;border:none;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .2s,border-color .2s;font-family:inherit}
.modal-tab.active{color:var(--ink);border-bottom-color:var(--accent)}
.modal-field{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
.modal-label-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.modal-field label{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.3px;text-transform:uppercase}
.modal-label-row .modal-link-btn{flex-shrink:0;white-space:nowrap}
.modal-link-btn{border:none;background:none;padding:0;font-size:11px;font-weight:700;color:var(--accent);cursor:pointer;font-family:inherit;text-transform:none;letter-spacing:0;transition:opacity .15s}
.modal-link-btn:hover{opacity:.75;text-decoration:underline}
.modal-link-btn:disabled{opacity:.45;cursor:wait}
.modal-field input{padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font-size:13px;font-family:inherit;outline:none;transition:border-color .2s}
.modal-field input:focus{border-color:var(--accent)}
.modal-password-wrap{position:relative;display:flex;align-items:center}
.modal-password-wrap input{width:100%;padding-right:42px}
.modal-pw-toggle{position:absolute;right:6px;width:30px;height:30px;border:none;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center;padding:0;font-family:inherit;transition:color .15s,background .15s;touch-action:manipulation}
.modal-pw-toggle:hover{color:var(--ink);background:var(--line)}
.modal-pw-toggle .pw-icon{width:16px;height:16px}
.modal-pw-toggle .pw-icon-hide{display:none}
.modal-pw-toggle.is-visible .pw-icon-show{display:none}
.modal-pw-toggle.is-visible .pw-icon-hide{display:block}
.modal-divider{text-align:center;font-size:11px;color:var(--muted);margin:14px 0}
.modal-social{display:flex;gap:10px}
.modal-social-btn{flex:1;padding:10px;border:1px solid var(--line);border-radius:12px;background:none;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--ink);transition:background .15s;font-family:inherit}
.modal-social-btn:hover{background:var(--line)}
.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;cursor:pointer;font-size:20px;color:var(--muted);line-height:1}
.upload-modal-box{padding-top:28px}
.upload-modal-title{margin:0 0 8px;font-size:18px;font-weight:800}
.upload-modal-file{margin:0 0 18px;font-size:12.5px;color:var(--muted);word-break:break-all;line-height:1.5}
.upload-category-select{width:100%}
.upload-modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.upload-modal-actions .btn{min-width:96px;justify-content:center}

/* ── SIGN-UP GATE INLINE ── */
.gate-prompt{background:linear-gradient(135deg,rgba(244,176,0,.08),rgba(111,211,218,.08));border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;margin-top:12px}
.gate-prompt p{margin:0 0 12px;font-size:13px;color:var(--muted)}

/* ── FOOTER (matches main site) ── */
.divider{height:1px;background:var(--line);margin:0 0 38px}
.site-footer{padding:0 0 26px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:18px;align-items:flex-start;padding:18px 0 0}
.foot-label{font-size:12px;font-weight:800;letter-spacing:.3px;margin:0 0 8px}
.foot-value{margin:0;font-size:12.5px;color:#333}
body.dark-mode .foot-value{color:var(--ink)}
.foot-value a{color:inherit;text-decoration:none}
.foot-value a:hover{color:var(--accent)}
.social{display:flex;gap:10px;align-items:center}
.icon{width:18px;height:18px;display:inline-block;color:#111;opacity:.9}
.icon:hover{opacity:1}
body.dark-mode .icon{color:var(--ink)}
.copyright{text-align:right;color:#666;font-size:10px;line-height:1.5}
body.dark-mode .copyright{color:var(--muted)}
@media(max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .copyright{text-align:left}
}

/* ── CHATBOT (copied from main site) ── */
.chat-fab{position:fixed;bottom:24px;left:24px;z-index:1000;display:flex;align-items:center;gap:10px;background:var(--accent);border:none;border-radius:99px;padding:0 18px 0 6px;height:48px;cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.18);transition:transform .2s ease,box-shadow .2s ease;font-family:inherit;font-size:13px;font-weight:700;color:#111;user-select:none}
.chat-fab:hover{transform:scale(1.05);box-shadow:0 6px 22px rgba(0,0,0,.22)}
.chat-fab .fab-icon{width:36px;height:36px;background:#111;border-radius:50%;display:grid;place-items:center;flex-shrink:0}
.chat-fab .fab-icon svg{width:18px;height:18px;fill:var(--accent)}
.chat-fab .fab-label{white-space:nowrap}
.chat-panel{position:fixed;bottom:84px;left:24px;z-index:999;width:min(380px,calc(100vw - 48px));background:var(--card,#fff);border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.16);display:flex;flex-direction:column;overflow:hidden;transform:translateY(12px) scale(0.97);opacity:0;pointer-events:none;transition:transform .25s cubic-bezier(.16,1,.3,1),opacity .25s ease}
.chat-panel.open{transform:translateY(0) scale(1);opacity:1;pointer-events:all}
.cp-header{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--accent);border-bottom:1px solid rgba(0,0,0,.1)}
.cp-avatar{width:34px;height:34px;background:#111;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;color:var(--accent);flex-shrink:0}
.cp-title{flex:1;font-weight:700;font-size:13px;color:#111;line-height:1.2}
.cp-sub{font-size:10.5px;font-weight:500;color:rgba(0,0,0,.5)}
.cp-close{background:none;border:none;cursor:pointer;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;transition:background .15s;color:#111}
.cp-close:hover{background:rgba(0,0,0,.1)}
.cp-close svg{width:14px;height:14px;fill:currentColor}
.cp-chips{display:flex;gap:6px;flex-wrap:wrap;padding:10px 14px 0}
.cp-chip{font-size:11px;font-weight:600;padding:4px 11px;border-radius:99px;border:1px solid rgba(0,0,0,.15);background:transparent;cursor:pointer;color:var(--ink);transition:background .15s,border-color .15s;font-family:inherit}
.cp-chip:hover{background:var(--accent);border-color:var(--accent)}
.cp-messages{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px;min-height:220px;max-height:280px;scroll-behavior:smooth}
.cp-messages::-webkit-scrollbar{width:3px}
.cp-messages::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.cp-empty{display:flex;align-items:center;justify-content:center;flex:1;text-align:center;font-size:12px;color:var(--muted);padding:20px;line-height:1.6}
.cp-msg{display:flex;gap:8px;animation:cpMsgIn .25s ease both}
@keyframes cpMsgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.cp-msg.user{flex-direction:row-reverse}
.cp-msg-av{width:26px;height:26px;border-radius:50%;font-size:9px;font-weight:800;display:grid;place-items:center;flex-shrink:0}
.cp-msg.ai .cp-msg-av{background:#111;color:var(--accent)}
.cp-msg.user .cp-msg-av{background:var(--line);color:var(--muted)}
.cp-bubble{max-width:80%;padding:8px 12px;border-radius:14px;font-size:12.5px;line-height:1.6}
.cp-msg.ai .cp-bubble{background:var(--bg,#f4f4f4);border:1px solid var(--line);border-top-left-radius:4px;color:var(--ink)}
.cp-msg.user .cp-bubble{background:var(--accent);border-top-right-radius:4px;color:#111}
.cp-typing{display:flex;gap:4px;padding:10px 12px}
.cp-dot{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:cpBounce 1.2s ease-in-out infinite}
.cp-dot:nth-child(2){animation-delay:.2s}
.cp-dot:nth-child(3){animation-delay:.4s}
@keyframes cpBounce{0%,80%,100%{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}
.cp-input-row{display:flex;gap:8px;padding:10px 14px 14px;border-top:1px solid var(--line);align-items:flex-end}
.cp-input-wrap{flex:1;background:var(--bg,#f4f4f4);border:1px solid var(--line);border-radius:10px;transition:border-color .2s;overflow:hidden}
.cp-input-wrap:focus-within{border-color:var(--accent)}
.cp-textarea{width:100%;background:transparent;border:none;outline:none;color:var(--ink);font-family:inherit;font-size:12.5px;line-height:1.5;resize:none;padding:9px 11px;min-height:38px;max-height:90px}
.cp-textarea::placeholder{color:var(--muted)}
.cp-send{width:38px;height:38px;border-radius:10px;background:var(--accent);border:none;cursor:pointer;display:grid;place-items:center;flex-shrink:0;transition:transform .15s,opacity .15s}
.cp-send:hover:not(:disabled){transform:scale(1.08)}
.cp-send:disabled{opacity:.35;cursor:not-allowed}
.cp-send svg{width:15px;height:15px;fill:#111}
body.dark-mode .cp-msg.ai .cp-bubble{background:#222;border-color:rgba(255,255,255,.1)}
body.dark-mode .cp-input-wrap{background:#1a1a1a;border-color:rgba(255,255,255,.12)}
body.dark-mode .cp-textarea{color:#f0f0f0}
body.dark-mode .chat-panel{background:#1a1a1a;border-color:rgba(255,255,255,.12)}
body.dark-mode .cp-chip{color:#f0f0f0;border-color:rgba(255,255,255,.2)}
body.dark-mode .cp-chip:hover{background:var(--accent);border-color:var(--accent);color:#111}

    .lib-view{display:none;max-width:100%;overflow-x:clip}
    .lib-view.active{display:block}
    body.reader-mode{overflow:hidden}
    body.reader-mode .lib-shell{display:none!important}
    .lib-hero{padding:60px 0 50px;text-align:center}
    .lib-hero h1{font-size:clamp(36px,7vw,68px);font-weight:800;letter-spacing:-1.2px;margin:0 0 14px;line-height:1}
    .lib-hero h1 span{color:var(--accent)}
    .lib-hero p{font-size:15px;color:var(--muted);max-width:480px;margin:0 auto 30px;line-height:1.7}
    .lib-hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
    .lib-hero-stats{display:flex;gap:36px;justify-content:center;flex-wrap:wrap}
    .lib-hero-stat{text-align:center}
    .lib-hero-stat .n{font-size:24px;font-weight:800;color:var(--ink)}
    .lib-hero-stat .l{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
    .lib-section{padding:0 0 48px}
    .cat-card{text-align:center;padding:22px 14px;cursor:pointer}
    .cat-icon{font-size:28px;margin-bottom:8px}
    .cat-name{font-size:13px;font-weight:800;margin:0 0 4px}
    .cat-count{font-size:11px;color:var(--muted)}
    .feat-card{display:flex;flex-direction:column;gap:10px}
    .feat-icon{font-size:24px}
    .feat-title{font-size:14px;font-weight:800;margin:0}
    .feat-desc{font-size:12.5px;color:var(--muted);margin:0;line-height:1.6}
    #view-browse .dash-main{padding-bottom:40px}
    .mylib-hint{font-size:13px;color:var(--muted);margin:-12px 0 28px;line-height:1.6}
    .mylib-empty{font-size:13px;color:var(--muted);margin:0 0 16px;line-height:1.6}
    .mylib-section{margin-bottom:40px}
    .book-card-manageable{position:relative}
    .book-next-star{flex-shrink:0;width:26px;height:26px;border:none;border-radius:8px;background:var(--line);color:var(--muted);font-size:17px;font-weight:800;cursor:pointer;line-height:1;padding:0;transition:background .15s,color .15s,transform .15s;font-family:inherit}
    .book-next-star:hover{background:rgba(244,176,0,.2);color:var(--accent);transform:scale(1.05)}
    .book-next-star.is-active{background:var(--accent);color:var(--ink)}
    .book-remove{position:absolute;top:6px;right:6px;z-index:2;width:22px;height:22px;border:none;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-size:15px;line-height:1;cursor:pointer;opacity:0;transition:opacity .15s,background .15s;font-family:inherit;padding:0}
    .book-card-manageable:hover .book-remove,.book-remove:focus{opacity:1}
    .book-remove:hover{background:rgba(0,0,0,.75)}
    .browse-header{margin-bottom:20px}
    .browse-header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
    .browse-header h1{font-size:22px;font-weight:800;margin:0}
    .btn-upload{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;transition:box-shadow .15s,transform .15s,opacity .15s}
    .btn-upload:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(0,0,0,.08)}
    .btn-upload svg{width:18px;height:18px;flex-shrink:0}
    .btn-upload:disabled{opacity:.65;cursor:wait;transform:none}
    .browse-count{font-size:14px;font-weight:400;color:var(--muted)}
    .filter-search{flex:1;min-width:180px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-size:12.5px;font-family:inherit;outline:none}
    .filter-search:focus{border-color:var(--accent)}
    .filter-search::placeholder{color:var(--muted)}
    .browse-disclaimer{margin:0 0 20px;font-size:12px;line-height:1.55;color:var(--muted);font-weight:500}
    .browse-empty{text-align:center;color:var(--muted);font-size:13px;font-weight:600;margin:32px 0;padding:24px}
    .dash-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:0;min-height:calc(100vh - 140px);max-width:100%}
    .dash-sidebar{display:flex;flex-direction:column;border-right:1px solid var(--line);padding:24px 0 16px;position:sticky;top:90px;min-height:calc(100vh - 140px);height:fit-content}
    .dash-sidebar a{display:flex;align-items:center;gap:10px;padding:11px 20px;font-size:13px;font-weight:600;color:var(--muted);transition:color .2s,background .2s;border-left:3px solid transparent}
    .dash-sidebar a:hover{color:var(--ink);background:rgba(244,176,0,.06)}
    .dash-sidebar a.active{color:var(--ink);border-left-color:var(--accent);background:rgba(244,176,0,.08)}
    .dash-sidebar-foot{margin-top:auto;padding:14px 20px 0;border-top:1px solid var(--line)}
    .dash-signin-btn{width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:transparent;font-size:12px;font-weight:700;color:var(--muted);cursor:pointer;font-family:inherit;transition:color .2s,border-color .2s,background .2s;touch-action:manipulation}
    .dash-signin-btn:hover{color:var(--ink);border-color:var(--accent);background:rgba(244,176,0,.06)}
    .dash-signin-btn.is-signed-in{color:var(--ink)}
    .dash-main{padding:28px 20px 48px;min-width:0;overflow-x:clip}
    .dash-main h1{font-size:22px;font-weight:800;margin:0 0 24px}
    .dash-hero{margin-bottom:32px;text-align:center}
    .dash-hero .lib-hero-cta{margin-bottom:24px;justify-content:center}
    .dash-hero .lib-hero-stats{justify-content:center;gap:48px;margin-bottom:0}
    .stat-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:32px}
    .stat-card{text-align:center;padding:20px 14px}
    .stat-card .sv{font-size:28px;font-weight:800;color:var(--ink);line-height:1}
    .stat-card .sl{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px;margin-top:6px}
    .stat-card .si{font-size:22px;margin-bottom:6px}
    .chart-bars{display:flex;align-items:flex-end;gap:10px;height:80px;margin-top:12px;max-width:100%;min-width:0}
    .chart-bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px}
    .chart-bar{width:100%;background:var(--accent);border-radius:4px 4px 0 0;opacity:.85;transition:opacity .2s}
    .chart-bar:hover{opacity:1}
    .chart-label{font-size:10px;color:var(--muted);font-weight:600}
    .note-prev{padding:14px;cursor:pointer}
    .note-prev .nb{font-size:12.5px;line-height:1.6;margin:0 0 8px;color:var(--ink)}
    .note-prev .nm{font-size:11px;color:var(--muted)}
    #view-notes{padding:32px 0 60px}
    #view-plan{padding:0 0 60px}
    .plan-hint{font-size:12px;color:var(--muted);margin:-12px 0 18px}
    .reading-plan-editor{width:100%;min-height:420px;padding:20px 22px;border:1px solid rgba(17,17,17,.12);border-radius:18px;background:rgba(255,255,255,.35);backdrop-filter:blur(8px);color:var(--ink);font-size:14px;line-height:1.75;font-family:inherit;outline:none;resize:vertical;transition:border-color .2s}
    .reading-plan-editor:focus{border-color:var(--accent)}
    body.dark-mode .reading-plan-editor{background:rgba(255,255,255,.06)}
    .notes-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:24px}
    .notes-header h1{font-size:22px;font-weight:800;margin:0}
    .filter-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:24px}
    .filter-select{padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-size:12.5px;font-family:inherit;outline:none;cursor:pointer}
    .filter-select:focus{border-color:var(--accent)}
    .note-editor-title{font-size:14px;font-weight:800;margin:0 0 12px}
    .note-editor{margin-bottom:24px;align-items:flex-end}
    .note-editor-content{flex:2;min-width:220px}
    .note-editor-page{flex:0 0 100px;min-width:100px}
    .note-editor-input{width:100%;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font-size:13px;outline:none;font-family:inherit;resize:vertical;min-height:80px;transition:border-color .2s}
    .note-editor-input:focus{border-color:var(--accent)}
    .note-editor .form-field select.filter-select{width:100%}
    .note-card{padding:18px;cursor:pointer;position:relative}
    .note-card h4{margin:0 0 6px;font-size:13px;font-weight:400;color:var(--ink);line-height:1.6}
    .note-card .book-ref{font-size:11px;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:6px}
    .note-card .date{font-size:10.5px;color:var(--muted)}
    .note-actions{display:flex;gap:6px;margin-top:12px}
    .notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
    .empty-state{text-align:center;padding:60px 20px;color:var(--muted)}
    .empty-state .ei{font-size:48px;margin-bottom:12px}
    .empty-state p{font-size:13px;line-height:1.6}
    #view-wishlist{padding:32px 0 60px}
    .wl-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .wl-header h1{font-size:22px;font-weight:800;margin:0}
    .add-form{background:rgba(255,255,255,.35);border:1px solid rgba(17,17,17,.12);border-radius:18px;padding:22px;backdrop-filter:blur(8px);margin-bottom:32px;display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
    .form-field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:180px}
    .form-field label{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.3px}
    .form-field input{padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font-size:13px;outline:none;font-family:inherit;transition:border-color .2s}
    .form-field input:focus{border-color:var(--accent)}
    .wl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
    .wl-card{padding:18px;position:relative}
    .wl-card h4{margin:0 0 6px;font-size:14px;font-weight:700}
    .wl-card .wl-author{font-size:12px;color:var(--muted);margin:0 0 6px}
    .wl-card a{font-size:11.5px;color:var(--accent);word-break:break-all}
    .wl-card .wl-date{font-size:10.5px;color:var(--muted);margin:8px 0 12px}
    .wl-actions{display:flex;gap:8px;flex-wrap:wrap}
    .reader-toolbar{position:fixed;top:0;left:0;right:0;z-index:300;background:var(--bg);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;padding:0 16px;height:52px}
    .rt-left{display:flex;align-items:center;gap:6px;flex:1}
    .rt-center{flex:1;text-align:center;font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .rt-right{display:flex;align-items:center;gap:6px;flex:1;justify-content:flex-end}
    .rt-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--line);background:none;cursor:pointer;display:grid;place-items:center;font-size:14px;color:var(--ink);transition:background .15s}
    .rt-btn:hover{background:var(--line)}
    .rt-btn-exit:hover{background:#ef4444;border-color:#dc2626;color:#fff}
    .rt-btn.active{background:var(--accent);border-color:var(--accent);color:#111}
    .rt-page{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--muted)}
    .rt-page input{width:40px;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font-size:12px;text-align:center;font-family:inherit;outline:none}
    .rt-page input:focus{border-color:var(--accent)}
    .reader-body{display:flex;margin-top:var(--reader-toolbar-h,52px);height:calc(100vh - var(--reader-toolbar-h,52px));height:calc(100dvh - var(--reader-toolbar-h,52px))}
    .reader-pdf{flex:1;padding:24px 32px 48px;overflow-y:auto;display:flex;flex-direction:column;align-items:center;background:var(--bg)}
    .pdf-placeholder{width:100%;max-width:680px;min-height:320px;background:var(--line);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-size:13px;font-weight:600;border:2px dashed var(--line)}
    .pdf-placeholder .pi{font-size:36px}
    .pdf-page-wrap{position:relative;display:none;max-width:100%;margin:0 auto;background:#fff;border-radius:8px;box-shadow:0 12px 40px rgba(0,0,0,.14);transition:opacity .2s ease}
    .pdf-page-wrap.is-rendering{opacity:.55}
    body.dark-mode .pdf-page-wrap{background:#fff}
    #pdfCanvas{display:block;max-width:100%;height:auto;border-radius:8px}
    .pdf-text-layer{position:absolute;inset:0;overflow:hidden;line-height:1;pointer-events:auto}
    .pdf-text-layer ::selection{background:rgba(244,176,0,.35)}
    .pdf-text-layer span{color:transparent;white-space:pre;cursor:text;transform-origin:0 0}
    #pdfLoading{margin-bottom:16px}
    .page-text{max-width:680px;width:100%;margin-top:24px;font-size:14.5px;line-height:1.85;color:var(--ink)}
    #pageText{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
    .reader-sidebar{width:280px;border-left:1px solid var(--line);display:flex;flex-direction:column;background:var(--bg)}
    .reader-tabs{display:flex;border-bottom:1px solid var(--line);flex-shrink:0}
    .reader-tab{flex:1;padding:12px 4px;font-size:11px;font-weight:700;border:none;background:none;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .2s,border-color .2s;font-family:inherit}
    .reader-tab.active{color:var(--ink);border-bottom-color:var(--accent)}
    .reader-pane{flex:1;overflow-y:auto;padding:14px}
    .reader-pane::-webkit-scrollbar{width:3px}
    .reader-pane::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
    .note-input{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-size:12.5px;resize:none;outline:none;font-family:inherit;min-height:80px;transition:border-color .2s}
    .note-input:focus{border-color:var(--accent)}
    .note-item{border-bottom:1px solid var(--line);padding:10px 0;font-size:12.5px;line-height:1.6}
    .note-item:last-child{border-bottom:none}
    .note-item-row{display:flex;align-items:flex-start;gap:6px}
    .note-item-text{flex:1;min-width:0;word-break:break-word}
    .note-item-actions{display:flex;gap:2px;flex-shrink:0}
    .note-icon-btn{width:20px;height:20px;padding:0;border:none;border-radius:5px;background:transparent;color:var(--muted);font-size:11px;line-height:1;cursor:pointer;opacity:.55;transition:opacity .15s,color .15s,background .15s;font-family:inherit}
    .note-icon-btn:hover{opacity:1;color:var(--accent);background:rgba(244,176,0,.12)}
    .note-edit-input{width:100%;min-height:56px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font-size:12.5px;line-height:1.5;font-family:inherit;resize:vertical;outline:none;margin-bottom:6px}
    .note-edit-input:focus{border-color:var(--accent)}
    .note-edit-actions{display:flex;gap:6px;margin-bottom:4px}
    .note-edit-save,.note-edit-cancel{padding:3px 10px;border-radius:6px;font-size:10.5px;font-weight:700;border:1px solid var(--line);cursor:pointer;font-family:inherit}
    .note-edit-save{background:var(--accent);border-color:var(--accent);color:#111}
    .note-edit-cancel{background:transparent;color:var(--muted)}
    .note-meta{font-size:10.5px;color:var(--muted);margin-top:4px}
    .hl-filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
    .hl-pill{padding:4px 12px;border-radius:999px;font-size:11px;font-weight:700;border:none;cursor:pointer;font-family:inherit;transition:transform .15s}
    .hl-pill:hover{transform:scale(1.05)}
    .hl-item{font-size:12.5px;line-height:1.6;padding:8px 10px;border-radius:8px;margin-bottom:8px}
    .hl-meta{font-size:10.5px;color:var(--muted);margin-top:4px}
    .bk-item{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12.5px;cursor:pointer;border-radius:6px;transition:background .15s}
    .bk-item:hover{background:rgba(244,176,0,.06)}
    .bk-item:last-child{border-bottom:none}
    .bk-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .bk-item-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}
    .bk-page{color:var(--muted);font-size:11px}
    .bk-remove{width:20px;height:20px;border:none;border-radius:6px;background:transparent;color:var(--muted);font-size:16px;line-height:1;cursor:pointer;padding:0;font-family:inherit;transition:background .15s,color .15s}
    .bk-remove:hover{background:rgba(239,68,68,.12);color:#ef4444}
    .ai-messages{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;max-height:220px;overflow-y:auto}
    .ai-msg{padding:8px 12px;border-radius:10px;font-size:12.5px;line-height:1.6}
    .ai-msg.ai{background:var(--line)}
    .ai-msg.user{background:var(--accent);color:#111;text-align:right}
    .ai-input-row{display:flex;gap:6px}
    .ai-input{flex:1;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-size:12.5px;outline:none;font-family:inherit}
    .ai-input:focus{border-color:var(--accent)}
    .reader-panel-backdrop{display:none}
    .reader-panel-fab{display:none}
    .reader-panel-close{display:none}
    @media(max-width:960px){
      .stat-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
      .dash-main{padding:20px 16px 40px}
      .dash-main h1,.browse-header h1,.notes-header h1,.wl-header h1{font-size:20px}
    }
    @media(max-width:760px){
      .wrap{padding:18px 14px 0}
      .dash-layout{grid-template-columns:1fr;min-height:0}
      .dash-sidebar{display:none}
      .stat-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
      .lib-subnav{position:sticky;top:0;z-index:150;background:var(--bg);padding-top:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
      .lib-subnav::-webkit-scrollbar{display:none}
      #view-notes,#view-wishlist{padding:16px 0 48px}
      .notes-header,.wl-header,.browse-header-row{margin-bottom:4px}
      .filter-bar{gap:8px}
      .add-form{padding:16px;gap:10px}
      .form-field{min-width:0}
      .notes-grid,.wl-grid{grid-template-columns:1fr}
      #view-browse .shelf,#view-dashboard .shelf{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
      body.reader-mode{overflow:hidden}
      .reader-body{min-height:0}
      .reader-pdf{padding:12px 10px calc(72px + env(safe-area-inset-bottom,0px))}
      .reader-panel-fab{display:grid;place-items:center;position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:320;width:48px;height:48px;border-radius:50%;border:none;background:var(--accent);color:#111;font-size:20px;cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.2);font-family:inherit;touch-action:manipulation}
      .reader-panel-fab:active{transform:scale(.96)}
      body.reader-panel-open .reader-panel-fab{opacity:0;pointer-events:none}
      .reader-panel-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:340;opacity:0;pointer-events:none;transition:opacity .25s ease}
      .reader-panel-backdrop.open{display:block;opacity:1;pointer-events:auto}
      .reader-sidebar{position:fixed;left:0;right:0;bottom:0;width:100%;max-height:min(72vh,520px);border-left:none;border-top:1px solid var(--line);border-radius:18px 18px 0 0;z-index:350;transform:translateY(100%);transition:transform .28s cubic-bezier(.16,1,.3,1);box-shadow:0 -12px 40px rgba(0,0,0,.18);padding-bottom:env(safe-area-inset-bottom,0px)}
      .reader-sidebar.open{transform:translateY(0)}
      .reader-panel-close{display:grid;place-items:center;flex:0 0 40px;width:40px;height:40px;margin-left:auto;margin-right:4px;border:none;background:var(--line);border-radius:10px;font-size:14px;color:var(--muted);cursor:pointer;font-family:inherit;touch-action:manipulation}
      .reader-tabs{align-items:center;padding-right:4px}
      .reader-tab{padding:14px 6px;font-size:11px;min-height:44px}
      .reader-pane{max-height:calc(min(72vh,520px) - 52px)}
      body.reader-mode .chat-fab{display:none}
      body.reader-mode .dark-mode-toggle{display:none}
      header{gap:12px;padding-bottom:8px}
      .brand{min-width:0}
      nav{gap:12px;font-size:12px;flex-wrap:wrap}
      nav span{display:none}
    }
    @media(max-width:600px){
      .browse-header-row{flex-direction:column;align-items:stretch}
      .btn-upload{width:100%;justify-content:center}
      .filter-bar{flex-direction:column;align-items:stretch}
      .filter-search,.filter-select{width:100%;min-width:0;font-size:16px}
      .note-editor{flex-direction:column;align-items:stretch}
      .note-editor-content,.note-editor-page{flex:1;width:100%;min-width:0}
      .note-editor-input,.form-field input{font-size:16px}
      .notes-header{flex-direction:column;align-items:flex-start}
      .reading-plan-editor{min-height:280px;font-size:16px}
      .rt-center{display:none}
      .rt-zoom-extra,.rt-btn-fs{display:none}
      .reader-toolbar{height:auto;min-height:48px;padding:6px 8px;padding-top:calc(6px + env(safe-area-inset-top,0px));gap:4px;flex-wrap:wrap}
      .rt-left,.rt-right{flex:1 1 auto;min-width:0}
      .rt-btn{width:40px;height:40px;font-size:15px;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
      .rt-page input{width:44px;font-size:16px;padding:6px}
      .dark-mode-toggle{bottom:calc(16px + env(safe-area-inset-bottom,0px));right:16px;width:44px;height:44px}
      .chat-fab{bottom:calc(16px + env(safe-area-inset-bottom,0px));left:16px;height:44px}
      .lib-toast{bottom:calc(72px + env(safe-area-inset-bottom,0px));max-width:calc(100vw - 32px);white-space:normal;text-align:center}
      .modal-box{padding:24px 20px}
    }
    @media(max-width:420px){
      #view-browse .shelf,#view-dashboard .shelf{grid-template-columns:repeat(2,minmax(0,1fr))}
      .rt-btn-zoom{display:none}
      .reader-tab{font-size:10px;padding:12px 2px}
    }
    @media(hover:none){
      .book-remove{opacity:1}
      .book-card:hover{transform:none}
    }