header{
    position:relative; z-index:2;
    background:var(--panel);
    border:none;
    border-bottom:2.5px solid var(--ink);
    box-shadow:none;
    padding:20px 28px;
    display:flex; justify-content:space-between; align-items:center;
    flex-wrap:wrap; gap:14px;
  }
  @media (max-width:640px){ header{ padding:14px 16px; } }

  .brand{ display:flex; align-items:center; gap:12px; }
  .brand-mark{
    width:38px; height:38px; border-radius:8px;
    background:var(--accent);
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem; flex-shrink:0;
    box-shadow:none;
  }
  h1{
    font-family:var(--headline); font-weight:900; font-size:1.5rem;
    letter-spacing:-0.02em; color:var(--ink); font-style:normal;
    text-transform:uppercase;
  }
  .tagline{
    font-family:var(--mono); font-size:0.62rem; letter-spacing:0.12em;
    text-transform:uppercase; color:var(--accent); margin-top:2px; font-weight:700;
  }

  .controls{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }

  .sync-badge{ width:9px; height:9px; border-radius:50%; flex-shrink:0; }
  .sync-badge.local{ background:#c9c2c2; }
  .sync-badge.syncing{ background:#e0b34d; animation:pulse-sync 1s infinite; }
  .sync-badge.synced{ background:#5fb87a; }
  .sync-badge.error{ background:#d9695f; }
  @keyframes pulse-sync{ 0%,100%{ opacity:1; } 50%{ opacity:0.35; } }

  .icon-toggle-btn{ width:36px; height:36px; padding:0; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1rem;
    border:none; background:var(--panel); box-shadow:var(--sh-out-sm); }
  .icon-toggle-btn.active{ background:var(--accent); box-shadow:var(--sh-out-sm); color:#fff; }
  .icon-toggle-btn:active{ box-shadow:var(--sh-in-sm); }

  #exitFocusBtn{ position:fixed; top:16px; right:16px; z-index:150; padding:10px 16px; border-radius:20px; border:none; background:var(--panel); color:var(--ink); font-weight:700; cursor:pointer; box-shadow:var(--sh-out-sm); }

  .ptr-indicator{ display:flex; align-items:center; justify-content:center; height:0; overflow:hidden; color:var(--muted); transition:height 0.15s; }
  .ptr-indicator.visible{ height:50px; }
  .ptr-spinner{ width:20px; height:20px; border:2.5px solid rgba(0,0,0,0.15); border-top-color:var(--accent); border-radius:50%; }
  .ptr-spinner.spinning{ animation:ptr-spin 0.7s linear infinite; }
  @keyframes ptr-spin{ to{ transform:rotate(360deg); } }

  .app-menu-wrap{ position:relative; }
  @keyframes dropdownPopIn{
    from{ opacity:0; transform:scale(0.9) translateY(-8px); }
    to{ opacity:1; transform:scale(1) translateY(0); }
  }
  .app-dropdown-menu{
    position:absolute; top:calc(100% + 10px); right:0; z-index:210;
    background:var(--panel); border:none; border-radius:16px; padding:8px; width:240px;
    box-shadow:var(--sh-out);
    transform-origin:top right;
    animation:dropdownPopIn 0.2s cubic-bezier(0.34,1.56,0.64,1) both;
  }
  @media (prefers-reduced-motion: reduce){ .app-dropdown-menu{ animation:none !important; } }
  .app-dropdown-item{ display:flex; align-items:center; gap:10px; width:100%; text-align:left; background:transparent; border:none; border-radius:8px; padding:10px 12px; font-size:13.5px; font-weight:600; color:var(--ink); cursor:pointer; font-family:var(--sans); }
  .app-dropdown-item:hover{ background:var(--accent-soft); }
  .app-dropdown-item .dd-icon{ font-size:15px; width:18px; text-align:center; flex-shrink:0; }
  .app-dropdown-item .dd-label{ min-width:0; line-height:1.3; }
  .app-dropdown-item .dd-icon--install{ font-size:17px; font-weight:800; line-height:1; }
  .app-dropdown-divider{ height:1px; background:var(--line); margin:6px 6px; }
  .app-dropdown-label{ font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:0.06em; color:var(--muted); padding:8px 12px 4px; }
  .app-dropdown-lang-row{ display:flex; gap:6px; padding:2px 8px 8px; }
  .app-dropdown-lang-chip{ flex:1; text-align:center; padding:7px 4px; border-radius:10px; border:none; background:var(--bg); box-shadow:var(--sh-in-sm); font-size:11.5px; font-weight:700; color:var(--ink); cursor:pointer; font-family:var(--sans); }
  .app-dropdown-lang-chip.active{ background:var(--accent); color:#fff; box-shadow:var(--sh-out-sm); }

  /* Theme picker modal — larger, tap-friendly swatches with visible labels */
  .theme-modal-grid{
    display:grid; grid-template-columns:repeat(3, 1fr); gap:14px 10px;
  }
  @media (max-width:420px){ .theme-modal-grid{ grid-template-columns:repeat(2, 1fr); } }
  .theme-swatch-item{
    display:flex; flex-direction:column; align-items:center; gap:6px;
    background:none; border:none; cursor:pointer; padding:8px 4px; border-radius:14px;
    -webkit-tap-highlight-color:transparent;
  }
  .theme-swatch-item:hover{ background:var(--accent-soft); }
  .theme-swatch{
    width:52px; height:52px; min-width:52px; min-height:52px;
    border-radius:50%; border:none; cursor:pointer; padding:0; position:relative;
    display:flex; align-items:center; justify-content:center; flex-shrink:0;
    box-shadow:var(--sh-out-sm);
  }
  .theme-swatch-item.active .theme-swatch{ outline:2.5px solid var(--ink); outline-offset:2px; }
  .theme-swatch-check{
    color:#fff; font-size:1.1rem; font-weight:700; text-shadow:0 1px 3px rgba(0,0,0,0.5);
    opacity:0; transition:opacity .15s;
  }
  .theme-swatch-item.active .theme-swatch-check{ opacity:1; }
  .theme-swatch-name{ font-size:12.5px; font-weight:600; color:var(--ink); text-align:center; }
  .theme-dark-row{
    display:flex; align-items:center; justify-content:space-between; gap:12px;
    background:var(--bg); box-shadow:var(--sh-in-sm); border-radius:14px; padding:14px 16px; margin-top:18px;
  }
  .theme-dark-row-label{ font-size:14px; font-weight:700; color:var(--ink); }
  .theme-switch{ position:relative; width:48px; height:28px; flex-shrink:0; }
  .theme-switch input{ opacity:0; width:0; height:0; position:absolute; }
  .theme-switch-track{
    position:absolute; inset:0; background:var(--panel); box-shadow:var(--sh-in-sm); border-radius:20px; cursor:pointer; transition:background .2s;
  }
  .theme-switch-track::before{
    content:''; position:absolute; width:22px; height:22px; left:3px; top:3px; background:var(--panel);
    border-radius:50%; transition:transform .2s; box-shadow:var(--sh-out-sm);
  }
  .theme-switch input:checked + .theme-switch-track{ background:var(--accent); }
  .theme-switch input:checked + .theme-switch-track::before{ transform:translateX(20px); }

  .auth-page{ min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; background:var(--bg); }
  .auth-card{ width:100%; max-width:380px; background:var(--panel); border:2px solid var(--ink); border-radius:4px; padding:34px 28px; box-shadow:6px 6px 0 var(--accent); }
  .auth-kicker{ font-family:var(--mono); font-size:0.66rem; font-weight:700; text-transform:uppercase; letter-spacing:0.12em; color:var(--accent); text-align:center; margin-bottom:6px; }
  .auth-title{ font-family:var(--headline); font-style:normal; font-weight:900; text-transform:uppercase; letter-spacing:-0.02em; font-size:28px; margin-bottom:6px; text-align:center; color:var(--ink); }
  .auth-sub{ font-size:13px; color:var(--muted); text-align:center; margin-bottom:24px; padding-bottom:18px; border-bottom:1.5px solid var(--line); font-family:var(--sans); }
  .auth-field{ margin-bottom:14px; }
  .auth-field label{ display:block; font-size:11px; font-weight:700; margin-bottom:5px; color:var(--muted); text-transform:uppercase; letter-spacing:0.05em; font-family:var(--mono); }
  .auth-field input{ width:100%; padding:11px 13px; border-radius:3px; border:1.5px solid var(--ink); font-size:15px; font-family:inherit; background:var(--bg); box-shadow:none; color:var(--ink); box-sizing:border-box; }
  .auth-field input:focus{ outline:none; box-shadow:none; border-color:var(--accent); }
  .auth-btn{ width:100%; padding:13px; border-radius:3px; border:2px solid var(--ink); background:var(--accent); color:#fff; font-weight:800; font-size:14px; text-transform:uppercase; letter-spacing:0.03em; cursor:pointer; margin-top:8px; box-shadow:none; font-family:var(--sans); }
  .auth-btn:hover{ background:var(--ink); border-color:var(--ink); }
  .auth-btn:disabled{ opacity:0.6; cursor:not-allowed; }
  .auth-switch{ text-align:center; font-size:13px; margin-top:18px; color:var(--muted); font-family:var(--sans); }
  .auth-switch button{ background:none; border:none; color:var(--accent); font-weight:700; cursor:pointer; text-decoration:underline; font-size:13px; }
  .auth-error{ background:#fdeceb; color:#b3423a; border:1.5px solid #b3423a; border-radius:3px; padding:9px 12px; font-size:12.5px; margin-bottom:14px; font-family:var(--sans); }
  .auth-note{ background:#fff8e8; color:#8a6d1f; border:1.5px solid #c9a233; border-radius:3px; padding:9px 12px; font-size:12px; margin-bottom:16px; line-height:1.5; font-family:var(--sans); }
  .auth-skip{ text-align:center; margin-top:12px; }
  .auth-skip button{ background:none; border:none; color:var(--muted); font-size:12px; text-decoration:underline; cursor:pointer; text-transform:uppercase; letter-spacing:0.03em; font-family:var(--mono); }

  .modal-overlay{ position:fixed; inset:0; background:rgba(0,0,0,0.45); display:flex; align-items:center; justify-content:center; z-index:200; padding:20px; }
  .modal{ width:100%; max-width:520px; max-height:85vh; overflow-y:auto; background:var(--panel); border:none; border-radius:22px; padding:24px; box-shadow:var(--sh-out); }
  .modal-header{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
  .modal-title{ font-family:var(--display); font-style:italic; font-weight:700; font-size:19px; }
  .close-btn{ background:var(--panel); border:none; box-shadow:var(--sh-out-sm); width:26px; height:26px; min-width:26px; border-radius:50%; display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--muted); padding:0; flex-shrink:0; }
  .close-btn:hover{ color:var(--ink); }
  .close-btn:active{ box-shadow:var(--sh-in-sm); }
  .close-btn svg{ width:12px; height:12px; }
  .form-field{ margin-bottom:14px; }
  .form-field label{ display:block; font-size:12px; font-weight:700; color:var(--muted); margin-bottom:5px; text-transform:uppercase; letter-spacing:0.03em; }
  .form-field input, .form-field select, .form-field textarea{ width:100%; padding:10px 12px; border-radius:12px; border:none; box-shadow:var(--sh-in-sm); font-family:var(--sans); font-size:14px; background:var(--bg); color:var(--ink); box-sizing:border-box; }
  .form-field textarea{ resize:vertical; min-height:120px; font-family:var(--display); }
  .chapter-edit-block{ border:none; box-shadow:var(--sh-in-sm); border-radius:14px; padding:14px; margin-bottom:12px; position:relative; }
  .chapter-edit-remove{ position:absolute; top:10px; right:10px; background:none; border:none; color:var(--muted); cursor:pointer; font-size:1rem; padding:2px 6px; }
  .modal-actions{ display:flex; gap:10px; margin-top:18px; }
  .btn-cancel{ padding:11px 18px; border-radius:12px; border:none; background:var(--panel); box-shadow:var(--sh-out-sm); color:var(--ink); font-weight:600; cursor:pointer; }
  .form-error{ background:#fdeceb; color:#b3423a; border-radius:10px; padding:9px 12px; font-size:12.5px; margin-bottom:14px; }

  .book-card-menu-btn{ position:absolute; top:8px; right:8px; background:var(--panel); border:1px solid var(--ink); box-shadow:none; border-radius:3px; width:20px; height:20px; display:flex; align-items:center; justify-content:center; cursor:pointer; font-size:0.66rem; z-index:2; }

  button, select, input[type="text"]{
    padding:9px 15px;
    border:none;
    border-radius:20px;
    background:var(--panel);
    color:var(--ink);
    cursor:pointer;
    font-family:var(--sans);
    font-weight:600;
    font-size:0.85rem;
    box-shadow:var(--sh-out-sm);
    transition:box-shadow .15s, background .15s, transform .1s;
  }
  button:hover{ background:var(--accent-soft); }
  button:active{ box-shadow:var(--sh-in-sm); }
  button:disabled{ opacity:0.35; cursor:not-allowed; }
  button:disabled:hover{ background:var(--panel); }
  select{ cursor:pointer; }
  input[type="text"]{ cursor:text; border-radius:12px; box-shadow:var(--sh-in-sm); background:var(--bg); }
  input[type="text"]:focus, select:focus{ outline:none; box-shadow:var(--sh-in-sm), inset 0 0 0 1.5px var(--accent); }

  .btn-lang.active{ background:var(--accent); color:#fff; box-shadow:var(--sh-out-sm); }

  main{
    position:relative; z-index:1;
    max-width:880px; margin:0 auto; padding:28px;
    width:100%; flex-grow:1;
  }
  @media (max-width:640px){ main{ padding:16px; } }

  .controls-bar{ display:flex; gap:10px; margin-bottom:22px; flex-wrap:wrap; }
  input[type="text"]{ flex-grow:1; }

  /* ---- Hero (muka depan majalah) — buku ditonjolkan besar ---- */
  .lib-hero{
    display:flex; align-items:stretch; gap:0; margin-bottom:30px;
    border:2px solid var(--ink); border-radius:4px; overflow:hidden;
    background:var(--panel); flex-wrap:wrap;
  }
  .lib-hero-cover{
    flex:0 0 200px; background:var(--accent-soft);
    display:flex; align-items:center; justify-content:center;
    font-size:5.5rem; border-right:2px solid var(--ink);
    filter:drop-shadow(0 4px 6px rgba(0,0,0,0.15));
  }
  .lib-hero-body{ flex:1 1 260px; padding:22px 26px; display:flex; flex-direction:column; justify-content:center; min-width:220px; }
  .lib-hero-kicker{
    font-family:var(--mono); font-size:0.68rem; font-weight:700;
    text-transform:uppercase; letter-spacing:0.1em; color:var(--accent); margin-bottom:8px;
  }
  .lib-hero-title{
    font-family:var(--headline); font-weight:900; text-transform:uppercase;
    font-size:2rem; line-height:0.98; letter-spacing:-0.02em; color:var(--ink);
    margin-bottom:10px;
  }
  .lib-hero-desc{ font-family:var(--sans); font-size:0.86rem; color:var(--muted); line-height:1.55; max-width:440px; }
  .lib-hero-stats{
    flex:0 0 150px; background:var(--accent); color:#fff; display:flex; flex-direction:column;
    align-items:center; justify-content:center; padding:18px 12px; text-align:center;
    border-right:2px solid var(--ink);
  }
  .lib-hero-stats-num{ font-family:var(--headline); font-weight:900; font-size:2.6rem; line-height:1; }
  .lib-hero-stats-label{ font-family:var(--mono); font-size:0.6rem; font-weight:700; text-transform:uppercase; letter-spacing:0.06em; margin-top:6px; opacity:.9; }
  .lib-hero-actions{ flex:0 0 190px; display:flex; flex-direction:column; }
  .lib-hero-actions button{
    flex:1; border-radius:0; border:none; border-bottom:1.5px solid var(--ink);
    background:var(--ink); color:#fff; text-transform:uppercase; font-weight:700;
    font-size:0.78rem; letter-spacing:0.02em; box-shadow:none; font-family:var(--sans);
    display:flex; align-items:center; justify-content:center; gap:6px; padding:10px 12px;
  }
  .lib-hero-actions button:last-child{ border-bottom:none; background:var(--panel); color:var(--ink); }
  .lib-hero-actions button:hover{ background:var(--accent); }
  .lib-hero-actions button:last-child:hover{ background:var(--accent-soft); }
  @media (max-width:720px){
    .lib-hero-stats{ border-right:none; border-top:2px solid var(--ink); flex-basis:100%; flex-direction:row; gap:10px; padding:12px; }
    .lib-hero-actions{ flex-basis:100%; flex-direction:row; }
    .lib-hero-actions button{ border-bottom:none; border-right:1.5px solid var(--ink); }
    .lib-hero-actions button:last-child{ border-right:none; }
    .lib-hero-cover{ flex-basis:100%; border-right:none; border-bottom:2px solid var(--ink); font-size:4rem; padding:20px; }
  }
  @media (max-width:640px){
    .lib-hero-title{ font-size:1.5rem; }
  }

  /* ---- Section masthead (kicker + headline), gaya editorial ---- */
  .section-kicker{
    display:flex; align-items:center; gap:10px;
    font-family:var(--mono); font-size:0.72rem; font-weight:700;
    text-transform:uppercase; letter-spacing:0.1em; color:var(--muted);
    margin-bottom:10px;
  }
  .section-headline-row{
    display:flex; justify-content:space-between; align-items:flex-end;
    gap:24px; flex-wrap:wrap; margin-bottom:18px;
  }
  .section-headline{
    font-family:var(--headline); font-weight:900; text-transform:uppercase;
    font-size:2.6rem; line-height:0.98; letter-spacing:-0.02em; color:var(--ink);
  }
  .section-note{
    flex:1 1 240px; max-width:340px; font-family:var(--sans); font-size:0.85rem;
    line-height:1.55; color:var(--muted); border-left:2.5px solid var(--accent);
    padding-left:14px; margin-bottom:4px;
  }
  .section-divider{ height:2px; background:var(--ink); opacity:0.9; margin-bottom:22px; }
  @media (max-width:640px){
    .section-headline{ font-size:1.9rem; }
    .section-note{ border-left:none; padding-left:0; border-top:2px solid var(--accent); padding-top:8px; }
  }

  /* Book Grid — gaya kad produk majalah, grid asimetri */
  .book-grid{
    display:grid; grid-template-columns:repeat(auto-fill, minmax(158px,1fr));
    grid-auto-flow:dense;
    gap:18px 16px;
    padding-top:6px;
  }
  .book-card{
    background:var(--panel);
    border:1.5px solid var(--ink);
    border-radius:4px;
    padding:0;
    cursor:pointer;
    display:flex; flex-direction:column;
    min-height:0;
    transition:transform .15s, box-shadow .15s;
    position:relative;
    box-shadow:none;
    overflow:hidden;
  }
  .book-card--feature{ grid-column:span 2; }
  .book-card--feature .book-card-cover{ min-height:120px; padding:28px 18px 20px; }
  .book-card--feature .book-card-icon{ font-size:3rem; }
  .book-card--feature .book-title{ font-size:1.3rem; }
  .book-card:hover{
    transform:translate(-2px,-2px);
    box-shadow:4px 4px 0 var(--accent);
  }
  .book-card:active{
    transform:translate(0,0);
    box-shadow:none;
  }
  .book-card-cover{
    position:relative; background:var(--accent-soft);
    padding:20px 12px 14px; display:flex; align-items:center; justify-content:center;
    border-bottom:1.5px solid var(--ink); min-height:80px;
  }
  .book-card-icon{
    font-size:2.1rem; margin:0; display:block;
    filter:drop-shadow(0 2px 3px rgba(0,0,0,0.12));
  }
  .book-card-tagchip{
    position:absolute; top:8px; left:8px;
    font-family:var(--mono); font-size:0.58rem; font-weight:700;
    letter-spacing:0.04em; text-transform:uppercase;
    background:var(--panel); color:var(--ink);
    border:1px solid var(--ink); border-radius:3px; padding:2px 6px;
  }
  .book-card-body{ padding:12px 12px 14px; }
  .book-title{
    font-family:var(--headline); font-weight:800; font-size:0.95rem;
    text-transform:uppercase; letter-spacing:-0.01em;
    margin-bottom:4px; padding-right:0; line-height:1.15;
  }
  .book-meta{
    font-size:0.68rem; color:var(--muted); font-style:normal;
    font-family:var(--mono); text-transform:uppercase; letter-spacing:0.02em;
  }
  .book-tag{
    display:inline-block; margin-top:10px; padding:0;
    border-radius:0; font-size:0.6rem; font-weight:700;
    font-family:var(--mono); letter-spacing:0.03em;
    background:none; color:var(--accent);
    align-self:flex-start; text-transform:uppercase;
  }
  @media (max-width:420px){
    .book-grid{ grid-template-columns:repeat(auto-fill, minmax(128px,1fr)); gap:10px; }
    .book-card-cover{ padding:14px 10px 10px; min-height:64px; }
    .book-card-body{ padding:10px 10px 12px; }
  }

  /* Pagination */
  .pagination{
    display:flex; justify-content:center; gap:14px; margin-top:28px;
    align-items:center; font-family:var(--sans); font-size:0.85rem; color:var(--muted);
  }

  /* Reader */
  #readerView{ display:none; }
  .reader-nav{
    display:flex; justify-content:space-between; align-items:center;
    margin-bottom:22px; padding-bottom:14px; border-bottom:2px solid var(--ink);
    flex-wrap:wrap; gap:10px;
  }
  .reader-header{
    text-align:left; margin-bottom:22px; padding-bottom:0;
    border-bottom:none;
  }
  #readerTitle{
    font-family:var(--headline); font-style:normal; font-weight:900;
    text-transform:uppercase; letter-spacing:-0.02em;
    font-size:2rem; line-height:1.02; margin-bottom:8px; color:var(--ink);
  }
  #readerAuthor{ font-size:0.85rem; color:var(--muted); font-family:var(--sans); }
  .chapter-indicator-wrap{ display:flex; justify-content:flex-start; margin-bottom:12px; }
  .chapter-indicator-box{
    display:inline-flex; align-items:center; gap:10px;
    background:none; border:1.5px solid var(--ink); border-radius:3px;
    padding:5px 12px; box-shadow:none;
  }
  .chapter-indicator-box .chi-num{
    font-family:var(--mono); font-style:normal; font-weight:700;
    font-size:0.72rem; color:var(--accent); white-space:nowrap;
    text-transform:uppercase; letter-spacing:0.04em;
  }
  .chapter-indicator-box .chi-sep{ width:1px; height:12px; background:var(--line); flex-shrink:0; }
  .chapter-indicator-box .chi-of{
    font-family:var(--mono); font-size:0.68rem; font-weight:700;
    color:var(--muted); white-space:nowrap; text-transform:uppercase; letter-spacing:0.03em;
  }
  @media (max-width:640px){
    .chapter-indicator-box{ padding:4px 10px; gap:7px; }
    .chapter-indicator-box .chi-num{ font-size:0.66rem; }
    .chapter-indicator-box .chi-of{ font-size:0.6rem; }
  }
  /* ---- Pager (mod swipe majalah) — telus, sebati dengan latar halaman ---- */
  .pager-viewport{
    position:relative; overflow:hidden; width:100%;
    -webkit-user-select:text; user-select:text;
    perspective:1400px;
  }
  .reader-content{
    font-family:var(--display); font-size:1.15rem; line-height:1.72;
    white-space:normal; word-break:normal; overflow-wrap:normal;
    hyphens:none; word-spacing:normal; letter-spacing:normal; color:var(--ink);
    column-gap:0; column-fill:auto;
    transition:transform .38s cubic-bezier(.22,.61,.36,1), filter .38s ease;
    will-change:transform, filter;
    transform-style:preserve-3d;
    background:transparent;
  }
  .reader-content.no-anim{ transition:none; }
  .reader-content *{ word-break:normal; overflow-wrap:normal; hyphens:none; }
  .reader-content p{
    margin:0 0 1.15em;
    white-space:normal; word-break:normal; overflow-wrap:normal;
    break-inside:avoid-column;
  }
  .reader-content h3,
  .reader-content h4{
    font-family:var(--display); line-height:1.35; margin:1.6em 0 .75em;
    color:var(--ink); break-inside:avoid-column; break-after:avoid-column;
  }
  .reader-content h3{ font-size:1.25em; }
  .reader-content h4{ font-size:1.08em; }
  .reader-content ul,
  .reader-content ol{ margin:.35em 0 1.15em; padding-left:1.55em; break-inside:avoid-column; }
  .reader-content li{ margin:.32em 0; }
  .reader-content blockquote{
    margin:1em 0 1.25em; padding:.7em 1em;
    border-left:4px solid var(--accent); background:var(--accent-soft);
    border-radius:0 12px 12px 0; break-inside:avoid-column;
  }

  /* Huruf hiasan besar (drop cap) pada perenggan pertama bab — gaya
     muka pertama artikel majalah. */
  .reader-content > p:first-of-type::first-letter{
    font-family:var(--headline); font-weight:900; font-size:3.6em;
    line-height:0.72; float:left; padding:6px 9px 0 0; color:var(--accent);
  }

  /* Petikan tonjolan (pull-quote) — sisipan besar merentasi kedua-dua
     lajur, macam petikan ditonjolkan dalam artikel majalah sebenar. */
  .pull-quote{
    column-span:all; margin:1.6em 0; padding:1em 6% .95em;
    border-top:2.5px solid var(--ink); border-bottom:2.5px solid var(--ink);
    text-align:center; break-inside:avoid;
  }
  .pull-quote-mark{
    display:block; font-family:var(--headline); font-weight:900;
    font-size:2.4em; line-height:0.6; color:var(--accent); margin-bottom:8px;
  }
  .pull-quote-text{
    display:block; font-family:var(--headline); font-weight:800;
    font-size:1.4em; line-height:1.28; color:var(--ink); letter-spacing:-0.005em;
  }
  @media (max-width:640px){
    .reader-content > p:first-of-type::first-letter{ font-size:2.9em; padding:4px 7px 0 0; }
    .pull-quote{ padding:.9em 2% .85em; }
    .pull-quote-text{ font-size:1.22em; }
  }

  .page-indicator{
    text-align:center; font-family:var(--mono); font-size:0.7rem;
    font-weight:700; color:var(--ink); letter-spacing:.06em; text-transform:uppercase;
    margin:14px 0 4px; user-select:none;
  }
  .swipe-hint{
    text-align:center; font-family:var(--mono); font-size:0.62rem;
    color:var(--muted); opacity:.85; margin-bottom:6px; user-select:none;
    text-transform:uppercase; letter-spacing:.05em;
  }

  .chapter-nav-buttons{
    display:flex; justify-content:space-between; margin-top:20px;
    padding-top:18px; border-top:2px solid var(--ink);
  }
  .chapter-nav-buttons button{
    border-radius:3px; border:1.5px solid var(--ink); background:var(--panel);
    text-transform:uppercase; font-family:var(--sans); font-weight:700;
    font-size:0.74rem; letter-spacing:.02em; box-shadow:none;
  }
  .chapter-nav-buttons button:hover{ background:var(--accent); color:#fff; border-color:var(--accent); }
  .chapter-nav-buttons button:disabled:hover{ background:var(--panel); color:var(--ink); border-color:var(--ink); }

  @media (max-width:640px){
    .reader-nav{ margin-bottom:16px; padding-bottom:10px; }
    .reader-header{ margin-bottom:18px; padding-bottom:14px; }
    #readerTitle{ font-size:1.25rem; margin-bottom:5px; }
    #readerAuthor{ font-size:0.8rem; }
    .reader-content{ line-height:1.62; }
    .chapter-nav-buttons{ margin-top:14px; padding-top:14px; }
    .chapter-nav-buttons button{ font-size:0.82rem; padding:9px 12px; }
  }

  .progress-track{
    height:6px; background:var(--line); border-radius:3px; overflow:hidden;
    margin:18px 0 26px;
  }
  .progress-fill{
    height:100%; background:linear-gradient(90deg, var(--accent), var(--accent2));
    border-radius:3px; transition:width .3s;
  }

  footer{
    position:relative; z-index:1; text-align:center; padding:22px;
    font-family:var(--mono); font-size:0.65rem; color:var(--muted);
  }
  @media (prefers-reduced-motion: reduce){ *{ transition:none !important; } }

  /* ================================================================
     ADAPTIVE LAYOUT — MOBILE / TABLET / KOMPUTER
     Pangkalan sedia ada (di atas) sudah selamat untuk mobile kecil.
     Blok di bawah menambah lapisan khusus untuk skrin tablet & komputer
     supaya ruang skrin besar digunakan dengan baik tanpa menjejaskan
     keselesaan membaca (lebar teks bab dikekalkan sempit walaupun pada
     skrin lebar, guna kelas body.reading yang sedia ada).
     ================================================================ */

  /* ---- Mobile kecil tambahan (telefon sempit, ≤380px) ---- */
  @media (max-width:380px){
    h1{ font-size:1.15rem; }
    .brand-mark{ width:34px; height:34px; font-size:1rem; }
    .controls-bar{ gap:8px; }
    .book-grid{ grid-template-columns:repeat(auto-fill, minmax(112px,1fr)); gap:8px; }
    .theme-modal-grid{ grid-template-columns:repeat(2, 1fr); gap:10px 8px; }
  }

  /* ---- Tablet (641px – 1024px): iPad mini/air/pro, tablet Android ---- */
  @media (min-width:641px) and (max-width:1024px){
    main{ max-width:760px; padding:26px 34px; }
    header{ padding:20px 32px; }
    .book-grid{ grid-template-columns:repeat(auto-fill, minmax(168px,1fr)); gap:18px; }
    .book-title{ font-size:1rem; }
    .modal{ max-width:560px; }
    .auth-card{ max-width:420px; }
  }

  /* ---- Komputer (≥1025px): laptop & monitor sedia ---- */
  @media (min-width:1025px){
    main{ max-width:1040px; padding:38px 44px; }
    header{ padding:22px 44px; }
    .book-grid{ grid-template-columns:repeat(auto-fill, minmax(178px,1fr)); gap:22px; }
    .book-card-cover{ min-height:96px; padding:24px 15px 16px; }
    .book-card:hover{ transform:translate(-3px,-3px); }
    .book-title{ font-size:1.05rem; }
    .theme-modal-grid{ grid-template-columns:repeat(4, 1fr); }
    .modal{ max-width:600px; }
    .auth-card{ max-width:440px; }
  }

  /* ---- Monitor sangat lebar (≥1440px): elak kandungan meregang tepi-ke-tepi ---- */
  @media (min-width:1440px){
    main{ max-width:1200px; }
    .book-grid{ grid-template-columns:repeat(auto-fill, minmax(190px,1fr)); gap:24px; }
  }

  /* ---- Paparan bab (reader): lebar teks dikekalkan selesa dibaca pada
     SEMUA saiz skrin ≥641px, tidak kira betapa lebar monitor ---- */
  @media (min-width:641px) and (max-width:1024px){
    body.reading main{ max-width:640px; }
  }
  @media (min-width:1025px){
    body.reading main{ max-width:700px; padding-top:44px; }
  }