/* ──────────────────────────────────────────────
   AI Storybook Generator — Stylesheet
   ────────────────────────────────────────────── */

:root {
    --primary:       #FF6B35;
    --primary-dark:  #E05020;
    --secondary:     #4ECDC4;
    --accent:        #FFE66D;
    --bg:            #FFF9F3;
    --card:          #FFFFFF;
    --text:          #2C1810;
    --text-muted:    #7A5C4F;
    --border:        #F0E4DA;
    --page-left:     #FFFEF5;
    --page-right:    #FFFFFF;
    --shadow:        0 4px 24px rgba(44,24,16,.10);
    --shadow-book:   0 24px 72px rgba(44,24,16,.18);
    --radius:        20px;
    --story-font-scale: 1;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Nunito', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ══════════════════════════════════════════════
   Night / High-Contrast modes
   ══════════════════════════════════════════════ */
body.night-mode {
    --bg:          #1A1208;
    --card:        #241A0E;
    --text:        #F5E6D0;
    --text-muted:  #A08060;
    --border:      #3A2A18;
    --page-left:   #1E1610;
    --page-right:  #221A12;
    --shadow:      0 4px 24px rgba(0,0,0,.40);
    --shadow-book: 0 24px 72px rgba(0,0,0,.55);
}
body.night-mode .site-header { background: linear-gradient(135deg,#8B3A1A 0%,#6B2A12 100%); }
body.night-mode .form-group input,
body.night-mode .form-group select { background:#1A1208; color:var(--text); border-color:var(--border); }

body.high-contrast {
    --bg:         #000;  --card:       #111;  --text:       #FFF;
    --text-muted: #CCC;  --border:     #555;  --page-left:  #111;
    --page-right: #111;  --primary:    #FFB347;
}
body.high-contrast .story-text { font-weight:800; letter-spacing:.3px; }
body.high-contrast .tts-highlight { background:#FFB347; color:#000; }

/* ══════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════ */
.site-header {
    background: linear-gradient(135deg,#FF6B35 0%,#FF8C5A 55%,#FFB347 100%);
    color: #fff;
    padding: 16px 24px;
    box-shadow: 0 4px 20px rgba(255,107,53,.35);
    position: sticky;
    top: 0;
    z-index: 200;
}
.header-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 14px;
}
.header-icon  { font-size: 44px; line-height: 1; flex-shrink: 0; }
.header-text  { flex: 1; min-width: 0; }
.site-header h1 { font-family:'Fredoka One',cursive; font-size:1.75rem; letter-spacing:.3px; line-height:1.1; }
.site-header p  { font-size:.85rem; opacity:.88; margin-top:2px; }

.library-open-btn {
    margin-left: auto;
    background: rgba(255,255,255,.2);
    border: 2px solid rgba(255,255,255,.5);
    color: #fff;
    border-radius: 12px;
    padding: 9px 16px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .9rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background .18s;
    flex-shrink: 0;
}
.library-open-btn:hover { background: rgba(255,255,255,.35); }

/* ══════════════════════════════════════════════
   MAIN LAYOUT
   ══════════════════════════════════════════════ */
main { flex:1; padding:28px 20px 56px; max-width:960px; margin:0 auto; width:100%; }
.section { width:100%; }

/* ══════════════════════════════════════════════
   QUICK START STRIP
   ══════════════════════════════════════════════ */
.quickstart-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 10px;
}
.quickstart-label {
    font-weight: 800;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--primary);
}
.quickstart-hint {
    font-size: .8rem;
    color: var(--text-muted);
}

.defaults-grid {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 20px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
}
.defaults-grid::-webkit-scrollbar { display: none; }

.default-card {
    flex-shrink: 0;
    width: 160px;
    scroll-snap-align: start;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 14px 12px;
    cursor: pointer;
    transition: border-color .18s, transform .18s, box-shadow .18s;
    text-align: left;
}
.default-card:hover  { border-color:var(--primary); transform:translateY(-3px); box-shadow:0 6px 20px rgba(255,107,53,.18); }
.default-card:active { transform:translateY(-1px); }
.dc-icon  { font-size:1.7rem; line-height:1; margin-bottom:7px; }
.dc-title { font-family:'Fredoka One',cursive; font-size:.88rem; color:var(--text); line-height:1.2; margin-bottom:6px; }
.dc-tags  { display:flex; flex-wrap:wrap; gap:3px; }
.dc-tag   { font-size:.65rem; font-weight:700; padding:2px 7px; border-radius:8px; background:#F5F0EC; color:var(--text-muted); }
.dc-tag.lang-en { background:#E3F2FD; color:#1565C0; }
.dc-tag.lang-zh { background:#FCE4EC; color:#C62828; }
.dc-tag.lang-my { background:#E8F5E9; color:#2E7D32; }

/* ══════════════════════════════════════════════
   FORM CARD
   ══════════════════════════════════════════════ */
.form-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 32px 36px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.form-group { margin-bottom: 18px; }
.form-group:last-of-type { margin-bottom: 0; }

.form-group label {
    display: block;
    font-weight: 800;
    font-size: .75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-bottom: 7px;
}
.optional-label { text-transform:none; font-weight:600; opacity:.6; letter-spacing:0; }

.form-group input[type="text"],
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: .97rem;
    font-family: 'Nunito', sans-serif;
    color: var(--text);
    background: #FAFAF8;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.form-group input[type="text"]:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255,107,53,.14);
}

/* Pages slider */
.pages-group { margin-bottom: 20px; }
.pages-label-row { display:flex; align-items:center; justify-content:space-between; margin-bottom:8px; }
.pages-label-row label { margin-bottom:0; }
.pages-value-badge {
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: .82rem;
    padding: 2px 11px;
    border-radius: 20px;
    min-width: 36px;
    text-align: center;
}
.form-group input[type="range"] { width:100%; accent-color:var(--primary); cursor:pointer; }
.pages-ticks {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: .72rem;
    color: var(--text-muted);
    padding: 0 2px;
}

/* Form rows */
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-row-primary { margin-bottom:4px; }

/* Divider between form sections */
.form-divider {
    border: none;
    border-top: 1.5px dashed var(--border);
    margin: 16px 0 20px;
}

/* Button groups */
.btn-group { display:flex; gap:7px; flex-wrap:wrap; }
.btn-option {
    padding: 8px 16px;
    border: 2px solid var(--border);
    border-radius: 24px;
    background: #FAFAF8;
    color: var(--text-muted);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .88rem;
    cursor: pointer;
    transition: all .18s;
}
.btn-option:hover  { border-color:var(--primary); color:var(--primary); }
.btn-option.active { background:var(--primary); border-color:var(--primary); color:#fff; }

/* Generate button */
.generate-btn {
    width: 100%;
    margin-top: 22px;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: none;
    border-radius: 14px;
    font-family: 'Fredoka One', cursive;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 18px rgba(255,107,53,.42);
    transition: transform .18s, box-shadow .18s;
}
.generate-btn:hover:not(:disabled) { transform:translateY(-2px); box-shadow:0 8px 28px rgba(255,107,53,.52); }
.generate-btn:disabled { opacity:.65; cursor:not-allowed; transform:none; }
@keyframes pulse-green { 0%,100%{box-shadow:0 4px 18px rgba(255,107,53,.42)} 50%{box-shadow:0 4px 32px rgba(255,107,53,.85);transform:scale(1.02)} }
.btn-pulse { animation: pulse-green .4s ease-in-out 2; }
.btn-icon  { font-size:1.2rem; }
.error-msg { margin-top:12px; color:#D32F2F; text-align:center; font-weight:700; font-size:.9rem; }

/* ══════════════════════════════════════════════
   LOADING
   ══════════════════════════════════════════════ */
.loading-card { text-align:center; padding:64px 40px; background:var(--card); border-radius:var(--radius); box-shadow:var(--shadow); }
.loading-book { width:110px; height:76px; margin:0 auto 36px; display:flex; align-items:stretch; }
.book-page  { width:52px; height:76px; border-radius:4px; }
.left-page  { background:linear-gradient(160deg,#FFE0B2,#FFCC80); animation:flipLeft 2s ease-in-out infinite; transform-origin:right center; border-radius:4px 0 0 4px; }
.right-page { background:linear-gradient(160deg,#B3E5FC,#81D4FA); animation:flipRight 2s ease-in-out infinite; transform-origin:left center; border-radius:0 4px 4px 0; }
.book-spine { width:6px; background:#8D6E63; flex-shrink:0; }
@keyframes flipLeft  { 0%,100%{transform:scaleX(1)} 50%{transform:scaleX(.25)} }
@keyframes flipRight { 0%,100%{transform:scaleX(1)} 50%{transform:scaleX(.25)} }
.loading-title { font-family:'Fredoka One',cursive; font-size:1.8rem; color:var(--primary); margin-bottom:8px; }
.loading-sub   { color:var(--text-muted); margin-bottom:32px; font-size:.92rem; }
.loading-steps { display:flex; justify-content:center; gap:12px; flex-wrap:wrap; }
.step       { padding:9px 20px; border-radius:24px; background:#F5F0EC; color:#BDBDBD; font-weight:700; font-size:.85rem; transition:all .4s; }
.step.active{ background:#FFF3E0; color:var(--primary); }
.step.done  { background:#E8F5E9; color:#43A047; }
.cancel-gen-btn {
    margin-top:28px; padding:9px 28px; border:2px solid var(--border); border-radius:24px;
    background:transparent; color:var(--text-muted); font-family:'Nunito',sans-serif;
    font-weight:700; font-size:.9rem; cursor:pointer; transition:all .18s;
}
.cancel-gen-btn:hover { border-color:#EF5350; color:#EF5350; }

/* ══════════════════════════════════════════════
   STORYBOOK HEADER
   ══════════════════════════════════════════════ */
.storybook-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    padding: 8px 0;
}
.back-btn {
    background: none;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 8px 14px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .85rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .18s;
    white-space: nowrap;
    flex-shrink: 0;
}
.back-btn:hover { border-color:var(--primary); color:var(--primary); }

.page-counter {
    font-family: 'Fredoka One', cursive;
    font-size: 1rem;
    color: var(--text-muted);
    text-align: center;
    flex: 1;
}

.header-actions { display:flex; gap:6px; flex-shrink:0; }
.action-btn {
    background: none;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 8px 13px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .83rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .18s;
    white-space: nowrap;
}
.action-btn:hover  { border-color:var(--primary); color:var(--primary); }
.action-btn.saved  { border-color:#43A047; color:#43A047; }

/* ══════════════════════════════════════════════
   READING TOOLBAR
   ══════════════════════════════════════════════ */
.reading-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 10px 14px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
}
.toolbar-group { display:flex; align-items:center; gap:4px; }
.toolbar-group + .toolbar-group { padding-left:10px; border-left:1px solid var(--border); }
.toolbar-group-right { margin-left:auto; }

.toolbar-label {
    font-size: .68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-muted);
    margin-right: 3px;
    white-space: nowrap;
}
.toolbar-btn {
    padding: 6px 11px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .82rem;
    cursor: pointer;
    transition: all .18s;
    white-space: nowrap;
}
.toolbar-btn:hover  { border-color:var(--primary); color:var(--primary); }
.toolbar-btn.active { background:var(--primary); border-color:var(--primary); color:#fff; }
.toolbar-btn.icon-btn { padding:6px 10px; font-size:1rem; }
.toolbar-select {
    padding: 5px 8px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .78rem;
    cursor: pointer;
    max-width: 140px;
    transition: border-color .18s;
}
.toolbar-select:hover,
.toolbar-select:focus { border-color:var(--primary); outline:none; color:var(--primary); }

/* ══════════════════════════════════════════════
   PROGRESS BAR
   ══════════════════════════════════════════════ */
.reading-progress-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-bottom: 16px;
    overflow: hidden;
}
.reading-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--primary);
    border-radius: 2px;
    transition: width .35s ease;
}

/* ══════════════════════════════════════════════
   BOOK CONTAINER
   ══════════════════════════════════════════════ */
#book-container {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-book);
    overflow: hidden;
    min-height: 420px;
    margin-bottom: 20px;
}
@keyframes flipIn { from{opacity:0;transform:rotateY(-12deg) scale(.97)} to{opacity:1;transform:rotateY(0deg) scale(1)} }
#book-container.flip-in { animation: flipIn .28s ease-out; }

/* ══════════════════════════════════════════════
   COVER PAGE
   ══════════════════════════════════════════════ */
.cover-page { display:grid; grid-template-columns:1fr 1fr; min-height:480px; }
.cover-img-side {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg,#FF8C5A,#FFB347);
    min-height: 320px;
}
.cover-img-side img { width:100%; height:100%; object-fit:cover; display:block; opacity:0; transition:opacity .6s; }
.cover-placeholder { width:100%; height:100%; min-height:480px; display:flex; align-items:center; justify-content:center; font-size:5rem; }
.cover-text-side {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 44px 40px;
    background: linear-gradient(170deg,#FFFEF7 0%,#FFF8E7 100%);
    border-left: 5px solid #FFE082;
}
.cover-label { font-size:.72rem; font-weight:800; color:var(--primary); text-transform:uppercase; letter-spacing:2px; margin-bottom:12px; }
.cover-title { font-family:'Fredoka One',cursive; font-size:2rem; color:var(--text); line-height:1.25; margin-bottom:16px; }
.cover-meta  { font-size:.88rem; color:var(--text-muted); line-height:1.9; }
.start-btn {
    margin-top: 24px;
    align-self: flex-start;
    padding: 13px 30px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: 'Fredoka One', cursive;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(255,107,53,.38);
    transition: transform .18s, box-shadow .18s;
}
.start-btn:hover { transform:translateY(-2px); box-shadow:0 8px 22px rgba(255,107,53,.46); }
.outline-btn { background:transparent !important; color:var(--primary) !important; border:2px solid var(--primary) !important; box-shadow:none !important; }
.outline-btn:hover { background:var(--primary) !important; color:#fff !important; }

/* ══════════════════════════════════════════════
   STORY SPREAD
   ══════════════════════════════════════════════ */
.story-spread { display:grid; grid-template-columns:1fr 1fr; min-height:480px; }
.text-page {
    background: var(--page-left);
    padding: 48px 40px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    border-right: 2px solid #F0E6C8;
}
.page-deco { position:absolute; top:16px; right:20px; font-size:1.5rem; opacity:.25; user-select:none; }
.story-text {
    font-size: calc(1.1rem * var(--story-font-scale));
    line-height: 2;
    color: var(--text);
    font-weight: 600;
    flex: 1;
}
.story-text.editing { border:2px dashed var(--primary); border-radius:8px; padding:8px; outline:none; cursor:text; }
.page-num-label { position:absolute; bottom:16px; left:40px; font-size:.75rem; color:#C5A882; font-weight:700; letter-spacing:.5px; }

/* Page action buttons */
.page-actions { display:flex; gap:8px; flex-wrap:wrap; margin-top:20px; }
.page-action-btn {
    padding: 9px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .84rem;
    cursor: pointer;
    transition: all .18s;
}
.page-action-btn:hover { border-color:var(--primary); color:var(--primary); background:rgba(255,107,53,.05); }
.page-action-btn:disabled { opacity:.45; cursor:not-allowed; }
.read-btn.reading { background:#EF5350; border-color:#EF5350; color:#fff; }
.edit-btn.save-mode { background:#43A047; border-color:#43A047; color:#fff; }
.cancel-btn { border-color:#EF5350; color:#EF5350; }
.cancel-btn:hover { background:#EF5350; color:#fff; }

/* TTS highlight */
.tts-word.tts-highlight {
    background: #FFD600;
    color: #1a1a1a;
    border-radius: 4px;
    padding: 1px 3px;
    box-shadow: 0 1px 4px rgba(255,214,0,.5);
    transition: background .08s;
}
body.night-mode .tts-word.tts-highlight { background:#B8860B; color:#fff; box-shadow:none; }

/* Illustration page */
.illus-page {
    background: var(--page-right);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    position: relative;
}
.illus-page img { width:100%; max-height:420px; object-fit:cover; border-radius:12px; box-shadow:0 4px 18px rgba(0,0,0,.10); display:none; }
.illus-loading { display:flex; flex-direction:column; align-items:center; gap:12px; color:#B0BEC5; font-weight:700; font-size:.9rem; text-align:center; padding:16px; }
.regen-illus-btn {
    position: absolute; top:10px; right:10px;
    background: rgba(255,255,255,.85); border:1.5px solid var(--border); border-radius:8px;
    padding: 5px 9px; font-size:.95rem; cursor:pointer; transition:all .18s; z-index:1;
}
.regen-illus-btn:hover { background:#fff; border-color:var(--primary); }
.retry-img-btn { margin-top:4px; padding:7px 20px; background:var(--secondary); color:#fff; border:none; border-radius:10px; font-family:'Nunito',sans-serif; font-weight:700; font-size:.88rem; cursor:pointer; transition:opacity .18s; }
.retry-img-btn:hover { opacity:.85; }
.spinner { width:48px; height:48px; border:4px solid #E0E0E0; border-top-color:var(--secondary); border-radius:50%; animation:spin 1s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ══════════════════════════════════════════════
   END SCREEN
   ══════════════════════════════════════════════ */
.end-page {
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,#FFF8E7 0%,#FFFEF5 100%);
}
.end-content  { text-align:center; padding:48px 40px; }
.end-emoji    { font-size:5rem; margin-bottom:16px; animation:bounceIn .6s ease; }
.end-title    { font-family:'Fredoka One',cursive; font-size:2.8rem; color:var(--primary); margin-bottom:8px; }
.end-subtitle { font-size:1.1rem; color:var(--text-muted); margin-bottom:10px; font-style:italic; }
.end-message  { font-size:.95rem; color:var(--text-muted); margin-bottom:32px; }
.end-actions  { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
@keyframes bounceIn { 0%{transform:scale(0)} 60%{transform:scale(1.2)} 100%{transform:scale(1)} }

/* ══════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════ */
.book-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.nav-btn {
    padding: 12px 24px;
    border: 2px solid var(--primary);
    border-radius: 12px;
    background: #fff;
    color: var(--primary);
    font-family: 'Fredoka One', cursive;
    font-size: 1rem;
    cursor: pointer;
    min-width: 130px;
    transition: all .18s;
}
.nav-btn:hover:not(:disabled) { background:var(--primary); color:#fff; }
.nav-btn:disabled { opacity:.28; cursor:not-allowed; }
.page-dots { display:flex; gap:7px; flex-wrap:wrap; justify-content:center; }
.dot { width:9px; height:9px; border-radius:50%; background:var(--border); cursor:pointer; transition:all .2s; }
.dot.active { background:var(--primary); transform:scale(1.35); }

/* ══════════════════════════════════════════════
   LANGUAGE FONTS
   ══════════════════════════════════════════════ */
.lang-chinese .story-text,
.lang-chinese .cover-title { font-family:'Noto Sans SC','Nunito',sans-serif; line-height:2.1; }

/* ══════════════════════════════════════════════
   LIBRARY MODAL
   ══════════════════════════════════════════════ */
.modal { position:fixed; inset:0; z-index:1000; display:flex; align-items:center; justify-content:center; }
.modal[hidden] { display:none; }
.modal-backdrop { position:absolute; inset:0; background:rgba(0,0,0,.45); }
.modal-content { position:relative; background:var(--card); border-radius:var(--radius); width:min(560px,94vw); max-height:82vh; display:flex; flex-direction:column; box-shadow:0 24px 64px rgba(0,0,0,.25); }
.modal-header { display:flex; align-items:center; justify-content:space-between; padding:18px 22px 14px; border-bottom:1px solid var(--border); }
.modal-header h2 { font-family:'Fredoka One',cursive; font-size:1.3rem; color:var(--text); }
.modal-close { background:none; border:none; font-size:1.2rem; cursor:pointer; color:var(--text-muted); padding:4px 8px; border-radius:8px; transition:background .15s; }
.modal-close:hover { background:var(--border); }
.library-filter { display:flex; gap:8px; padding:10px 22px; flex-wrap:wrap; border-bottom:1px solid var(--border); }
.lib-filter-select { padding:6px 10px; border:1.5px solid var(--border); border-radius:8px; background:var(--card); color:var(--text-muted); font-family:'Nunito',sans-serif; font-weight:700; font-size:.82rem; cursor:pointer; }
.lib-filter-select:focus { border-color:var(--primary); outline:none; }
.library-list { overflow-y:auto; padding:8px 22px 20px; }
.lib-empty { text-align:center; color:var(--text-muted); padding:36px 0; font-size:.95rem; line-height:1.8; }
.lib-item { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:13px 0; border-bottom:1px solid var(--border); }
.lib-item:last-child { border-bottom:none; }
.lib-title { font-weight:700; color:var(--text); margin-bottom:3px; }
.lib-meta  { font-size:.78rem; color:var(--text-muted); }
.lib-actions { display:flex; gap:6px; flex-shrink:0; }
.lib-load-btn { padding:7px 14px; background:var(--primary); color:#fff; border:none; border-radius:9px; font-family:'Nunito',sans-serif; font-weight:700; font-size:.84rem; cursor:pointer; transition:opacity .18s; }
.lib-load-btn:hover { opacity:.85; }
.lib-del-btn  { padding:7px 10px; background:none; border:1.5px solid #EF5350; color:#EF5350; border-radius:9px; cursor:pointer; font-size:.84rem; transition:all .18s; }
.lib-del-btn:hover { background:#EF5350; color:#fff; }

/* ══════════════════════════════════════════════
   TOAST & STREAK
   ══════════════════════════════════════════════ */
.toast {
    position: fixed; bottom:28px; left:50%; transform:translateX(-50%) translateY(20px);
    background: #2C1810; color:#fff; padding:11px 22px; border-radius:12px;
    font-weight:700; font-size:.9rem; z-index:2000; opacity:0;
    transition: opacity .3s, transform .3s; pointer-events:none;
}
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

.streak-badge {
    position: fixed; top:72px; right:20px;
    background: linear-gradient(135deg,#FF6B35,#FFB347);
    color:#fff; padding:10px 18px; border-radius:14px; font-weight:800; font-size:.88rem;
    z-index:2000; box-shadow:0 6px 20px rgba(255,107,53,.45); animation:slideIn .4s ease;
}
@keyframes slideIn { from{opacity:0;transform:translateX(40px)} to{opacity:1;transform:translateX(0)} }

/* ══════════════════════════════════════════════
   PRINT
   ══════════════════════════════════════════════ */
@media print {
    .site-header, .storybook-header, .reading-toolbar, .book-nav,
    .page-actions, .regen-illus-btn, .reading-progress-bar { display:none; }
    #book-container { box-shadow:none; }
    .story-spread { page-break-inside:avoid; }
}

/* ══════════════════════════════════════════════
   RESPONSIVE — tablet
   ══════════════════════════════════════════════ */
@media (max-width: 860px) {
    main { padding:22px 16px 56px; }
    .form-card { padding:26px 24px; }
    .cover-text-side { padding:36px 30px; }
    .text-page { padding:40px 32px 36px; }
}

/* ══════════════════════════════════════════════
   RESPONSIVE — mobile
   ══════════════════════════════════════════════ */
@media (max-width: 680px) {

    /* Header */
    .site-header     { padding:11px 14px; }
    .header-inner    { gap:10px; }
    .header-icon     { font-size:28px; }
    .site-header h1  { font-size:1.1rem; }
    .site-header p   { display:none; }
    .lib-btn-text        { display:none; }
    .library-open-btn    { padding:9px 11px; min-height:44px; }
    .pub-lib-header-btn  { padding:9px 11px; min-height:44px; }
    .premium-header-btn  { padding:9px 11px; min-height:44px; }
    .ach-header-btn      { padding:9px 11px; }

    /* Main */
    main { padding:14px 12px 96px; }

    /* Quick start cards — already horizontal scroll, just tighten */
    .default-card { width:140px; padding:11px 10px; }
    .dc-icon  { font-size:1.45rem; }
    .dc-title { font-size:.82rem; }

    /* Form */
    .form-card     { padding:20px 16px; border-radius:16px; }
    .form-row      { grid-template-columns:1fr; gap:0; }
    .form-row-primary { grid-template-columns:1fr 1fr; gap:12px; }
    .btn-option    { padding:10px 14px; min-height:44px; font-size:.84rem; }
    .generate-btn  { font-size:1.1rem; padding:15px; margin-top:18px; }

    /* Loading */
    .loading-card  { padding:44px 20px; }
    .loading-title { font-size:1.5rem; }
    .loading-steps { flex-direction:column; align-items:center; gap:8px; }

    /* Storybook header — 2-row layout */
    .storybook-header { flex-wrap:wrap; gap:6px; }
    .page-counter { order:-1; width:100%; text-align:center; padding-bottom:6px; border-bottom:1px solid var(--border); font-size:.9rem; }
    .back-btn  { padding:8px 12px; min-height:44px; font-size:.82rem; }
    .action-btn{ padding:8px 10px; min-height:44px; font-size:.78rem; }
    .download-btn { display:none; }
    .header-actions { gap:5px; }

    /* Toolbar — horizontal scroll */
    .reading-toolbar {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding: 8px 12px;
        gap: 5px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .reading-toolbar::-webkit-scrollbar { display:none; }
    .toolbar-label { display:none; }
    .toolbar-group + .toolbar-group { padding-left:7px; }
    .toolbar-group-right { margin-left:0; }
    .toolbar-btn   { padding:8px 10px; min-height:44px; font-size:.8rem; }
    .toolbar-btn.icon-btn { padding:8px 10px; }
    .toolbar-select{ min-height:44px; max-width:110px; font-size:.76rem; }

    /* Book cover — stacked */
    .cover-page     { grid-template-columns:1fr; }
    .cover-img-side { min-height:190px; max-height:250px; }
    .cover-text-side{ padding:20px 18px; border-left:none; border-top:4px solid #FFE082; }
    .cover-title    { font-size:1.4rem; }
    .start-btn      { width:100%; text-align:center; align-self:stretch; }

    /* Story spread — IMAGE ON TOP */
    .story-spread   { display:flex; flex-direction:column; }
    .illus-page     { order:-1; padding:12px; }
    .illus-page img { max-height:220px; }
    .text-page      { padding:22px 16px 30px; }
    .story-text     { font-size:calc(.97rem * var(--story-font-scale)); line-height:1.85; }
    .page-num-label { left:16px; }
    .page-action-btn{ padding:10px 14px; min-height:44px; font-size:.84rem; }
    .page-actions   { gap:6px; }

    /* End screen */
    .end-content { padding:28px 16px; }
    .end-title   { font-size:2rem; }
    .end-actions { flex-direction:column; }
    .end-actions .start-btn { width:100%; align-self:stretch; }

    /* Navigation — sticky bottom */
    .book-nav {
        position: sticky;
        bottom: 0;
        background: var(--bg);
        border-top: 1px solid var(--border);
        box-shadow: 0 -4px 20px rgba(44,24,16,.10);
        padding: 10px 12px;
        margin-top: 8px;
        z-index: 50;
        gap: 8px;
    }
    .nav-btn    { flex:1; min-width:0; min-height:50px; padding:10px 6px; font-size:.95rem; }
    .page-dots  { display:none; }

    /* Library modal */
    .modal-content  { max-height:88vh; }
    .library-filter { padding:10px 14px; }
    .library-list   { padding:6px 14px 18px; }

    /* Choice + Quiz on mobile */
    .choice-btn, .quiz-option { padding:12px 12px; min-height:44px; }
    .quiz-section { padding:20px 16px; }
    .achievement-popup { top:auto; bottom:80px; right:12px; left:12px; max-width:none; }
    .achievements-grid { max-height:50vh; padding:10px 14px 16px; }
}

/* Extra-narrow phones (≤ 420px): hide decorative icon so title has room */
@media (max-width: 420px) {
    .header-icon  { display:none; }
    .header-inner { gap:7px; }
}

/* ══════════════════════════════════════════════
   INTERACTIVE CHOICE
   ══════════════════════════════════════════════ */
.choice-panel { margin-top:20px; }
.choice-divider { border:none; border-top:1.5px dashed var(--border); margin-bottom:14px; }
.choice-question { font-weight:800; font-size:.88rem; color:var(--text); margin-bottom:10px; line-height:1.4; }
.choice-options  { display:flex; flex-direction:column; gap:8px; }
.choice-btn {
    display:flex; align-items:center; gap:10px; width:100%; padding:10px 14px;
    background:var(--card); border:2px solid var(--border); border-radius:12px;
    cursor:pointer; font-family:'Nunito',sans-serif; font-weight:700; font-size:.88rem;
    color:var(--text); text-align:left; transition:all .18s;
}
.choice-btn:hover:not(:disabled) { border-color:var(--primary); color:var(--primary); background:rgba(255,107,53,.05); }
.choice-letter {
    width:26px; height:26px; border-radius:50%; background:var(--primary); color:#fff;
    display:flex; align-items:center; justify-content:center;
    font-size:.78rem; font-weight:800; flex-shrink:0;
}
.choice-btn.chosen     { border-color:var(--primary); background:rgba(255,107,53,.07); }
.choice-btn.not-chosen { opacity:.38; }
.choice-btn:disabled   { cursor:default; }
.choice-outcome {
    margin-top:10px; padding:10px 14px;
    background:linear-gradient(135deg,#FFF8E7,#FFFEF5);
    border:1.5px solid #FFE082; border-radius:12px;
    display:flex; align-items:flex-start; gap:8px;
    font-size:.87rem; font-weight:600; color:var(--text); line-height:1.5;
    animation:fadeSlideIn .3s ease;
}
.outcome-icon { font-size:1.2rem; flex-shrink:0; }
@keyframes fadeSlideIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

/* ══════════════════════════════════════════════
   QUIZ
   ══════════════════════════════════════════════ */
.quiz-start-btn {
    display:flex; align-items:center; justify-content:center; gap:10px;
    width:100%; margin:16px 0 8px; padding:14px 20px;
    background:linear-gradient(135deg,#4ECDC4,#26A69A); color:#fff;
    border:none; border-radius:14px; font-family:'Fredoka One',cursive; font-size:1.15rem;
    cursor:pointer; box-shadow:0 4px 16px rgba(78,205,196,.40);
    transition:transform .18s,box-shadow .18s;
}
.quiz-start-btn:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(78,205,196,.50); }
.quiz-badge { background:rgba(255,255,255,.25); border-radius:20px; padding:2px 10px; font-size:.78rem; font-family:'Nunito',sans-serif; font-weight:800; }

.quiz-section { padding:32px 36px; width:100%; }
.quiz-card    { max-width:500px; margin:0 auto; }
.quiz-dots    { display:flex; gap:8px; justify-content:center; margin-bottom:20px; }
.quiz-dot     { width:10px; height:10px; border-radius:50%; background:var(--border); transition:all .2s; }
.quiz-dot.active { background:var(--secondary); transform:scale(1.3); }
.quiz-dot.done   { background:#43A047; }
.quiz-q-label  { font-size:.72rem; font-weight:800; text-transform:uppercase; letter-spacing:.8px; color:var(--text-muted); margin-bottom:10px; }
.quiz-question { font-family:'Fredoka One',cursive; font-size:1.15rem; color:var(--text); line-height:1.4; margin-bottom:18px; }
.quiz-options  { display:flex; flex-direction:column; gap:10px; margin-bottom:16px; }
.quiz-option {
    display:flex; align-items:center; gap:12px; padding:12px 16px;
    background:var(--card); border:2px solid var(--border); border-radius:12px;
    cursor:pointer; font-family:'Nunito',sans-serif; font-weight:700; font-size:.92rem;
    color:var(--text); text-align:left; width:100%; transition:all .18s;
}
.quiz-option:hover:not(:disabled) { border-color:var(--secondary); color:var(--secondary); }
.quiz-opt-letter { width:28px; height:28px; border-radius:50%; background:var(--border); color:var(--text-muted); display:flex; align-items:center; justify-content:center; font-size:.78rem; font-weight:800; flex-shrink:0; }
.quiz-option.correct   { border-color:#43A047; background:#E8F5E9; color:#2E7D32; }
.quiz-option.correct   .quiz-opt-letter { background:#43A047; color:#fff; }
.quiz-option.incorrect { border-color:#EF5350; background:#FFEBEE; color:#C62828; }
.quiz-option.incorrect .quiz-opt-letter { background:#EF5350; color:#fff; }
.quiz-option:disabled  { cursor:default; }
.quiz-feedback { padding:10px 14px; border-radius:10px; font-size:.87rem; font-weight:700; line-height:1.5; animation:fadeSlideIn .3s ease; }
.quiz-correct  { color:#2E7D32; }
.quiz-incorrect{ color:var(--text-muted); }
.quiz-results  { text-align:center; padding:32px 20px; }
.quiz-result-stars { font-size:2rem; letter-spacing:4px; margin-bottom:10px; }
.quiz-result-score { font-family:'Fredoka One',cursive; font-size:1.8rem; color:var(--primary); margin-bottom:6px; }
.quiz-result-msg   { font-size:.95rem; color:var(--text-muted); margin-bottom:20px; }

/* ══════════════════════════════════════════════
   ACHIEVEMENTS HEADER BUTTON
   ══════════════════════════════════════════════ */
.ach-header-btn {
    background:rgba(255,255,255,.2); border:2px solid rgba(255,255,255,.5);
    color:#fff; border-radius:12px; padding:9px 13px; font-size:1.15rem;
    cursor:pointer; transition:background .18s; flex-shrink:0;
}
.ach-header-btn:hover { background:rgba(255,255,255,.35); }

/* ══════════════════════════════════════════════
   ACHIEVEMENTS MODAL CONTENT
   ══════════════════════════════════════════════ */
.achievements-stats { padding:16px 22px 10px; border-bottom:1px solid var(--border); }
.stats-row  { display:flex; gap:8px; justify-content:space-around; }
.stat-item  { text-align:center; }
.stat-num   { display:block; font-family:'Fredoka One',cursive; font-size:1.6rem; color:var(--primary); line-height:1; }
.stat-lbl   { display:block; font-size:.7rem; font-weight:800; text-transform:uppercase; letter-spacing:.6px; color:var(--text-muted); margin-top:2px; }
.achievements-grid { display:flex; flex-direction:column; gap:4px; overflow-y:auto; padding:10px 22px 20px; max-height:52vh; }
.achievement-item { display:flex; align-items:center; gap:12px; padding:10px 12px; border-radius:12px; background:var(--bg); border:1.5px solid transparent; transition:border-color .18s; }
.achievement-item.earned { border-color:#FFE082; background:#FFFDE7; }
.achievement-item.locked { opacity:.5; }
.ach-icon { font-size:1.6rem; flex-shrink:0; width:36px; text-align:center; }
.ach-body { min-width:0; }
.ach-name { font-weight:800; font-size:.9rem; color:var(--text); }
.ach-desc { font-size:.78rem; color:var(--text-muted); margin-top:1px; }

/* Achievement unlock popup (slides in from right) */
.achievement-popup {
    position:fixed; top:80px; right:20px;
    background:linear-gradient(135deg,#FF6B35,#FFB347); color:#fff;
    padding:14px 18px; border-radius:16px;
    display:flex; align-items:center; gap:12px;
    box-shadow:0 8px 28px rgba(255,107,53,.45);
    z-index:3000; max-width:280px;
    opacity:0; transform:translateX(40px);
    transition:opacity .4s ease,transform .4s ease;
    pointer-events:none;
}
.achievement-popup.show { opacity:1; transform:translateX(0); }
.ach-pop-icon  { font-size:2rem; flex-shrink:0; }
.ach-pop-title { font-size:.72rem; font-weight:800; text-transform:uppercase; letter-spacing:.8px; opacity:.85; }
.ach-pop-name  { font-family:'Fredoka One',cursive; font-size:1rem; margin-top:1px; }
.ach-pop-desc  { font-size:.78rem; opacity:.85; margin-top:1px; }

/* Locked story cards */
.locked-card { cursor:default; }
.locked-card:hover { transform:none !important; border-color:var(--border) !important; box-shadow:none !important; }
.dc-tag.locked-tag { background:#FFF3E0; color:#E65100; }

/* ══════════════════════════════════════════════
   PERSONALISATION SECTION
   ══════════════════════════════════════════════ */
.personal-section { margin-bottom: 18px; }
.personal-header {
    display: flex; align-items: center; gap: 8px; cursor: pointer;
    padding: 10px 14px; background: #FFF8F0; border: 1.5px dashed var(--border);
    border-radius: 12px; user-select: none; transition: border-color .18s;
}
.personal-header:hover { border-color: var(--primary); }
.personal-title { font-weight: 800; font-size: .88rem; color: var(--text); }
.personal-hint  { font-size: .78rem; color: var(--text-muted); flex: 1; }
.personal-toggle { font-size: 1.2rem; font-weight: 700; color: var(--primary); flex-shrink: 0; }
.personal-body  { padding-top: 4px; }

/* Interest chips */
.interests-grid {
    display: flex; flex-wrap: wrap; gap: 7px; margin-top: 6px;
}
.interest-chip {
    padding: 7px 13px; border: 2px solid var(--border); border-radius: 24px;
    background: #FAFAF8; color: var(--text-muted);
    font-family: 'Nunito', sans-serif; font-weight: 700; font-size: .84rem;
    cursor: pointer; transition: all .18s;
}
.interest-chip:hover  { border-color: var(--secondary); color: var(--secondary); }
.interest-chip.active { background: var(--secondary); border-color: var(--secondary); color: #fff; }

/* ══════════════════════════════════════════════
   WORD-TAP + ILLUSTRATION TAP
   ══════════════════════════════════════════════ */
.tts-word { cursor: pointer; border-radius: 2px; transition: background .1s; }
.tts-word:hover { background: rgba(255,107,53,.1); }
.tts-word.word-tap-flash { background: var(--accent) !important; border-radius: 3px; animation: wordPop .25s ease; }
@keyframes wordPop { 0%,100%{transform:scale(1)} 50%{transform:scale(1.18) translateY(-1px)} }

.illus-page img { cursor: pointer; }
@keyframes illusBounce { 0%,100%{transform:scale(1)} 25%{transform:scale(1.04) rotate(1deg)} 75%{transform:scale(.97) rotate(-1deg)} }
.illus-page img.illus-bounce { animation: illusBounce .5s ease; }

/* ══════════════════════════════════════════════
   PREMIUM HEADER BUTTON
   ══════════════════════════════════════════════ */
.premium-header-btn {
    background: rgba(255,255,255,.18);
    border: 2px solid rgba(255,255,255,.6);
    color: #fff;
    border-radius: 12px;
    padding: 8px 14px;
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: .85rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background .18s, transform .12s;
    flex-shrink: 0;
}
.premium-header-btn:hover { background: rgba(255,255,255,.32); transform: translateY(-1px); }
.premium-header-btn.premium-active {
    background: linear-gradient(135deg,#FFD700,#FFA500);
    border-color: #FFD700;
    color: #7A3800;
}

/* ══════════════════════════════════════════════
   DAILY QUOTA BADGE
   ══════════════════════════════════════════════ */
.quota-badge {
    text-align: center;
    margin-top: 10px;
    font-size: .82rem;
    min-height: 22px;
}
.quota-info    { color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center; }
.quota-empty   { color: #E65100;           display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center; font-weight: 700; }
.quota-premium { color: #B8860B;           display: inline-flex; align-items: center; gap: 6px; font-weight: 700; }

.quota-dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--secondary);
    border: 1.5px solid var(--secondary);
    transition: background .18s;
}
.quota-dot.used { background: #ccc; border-color: #ccc; }

.quota-upgrade-link {
    background: none; border: none; padding: 0;
    color: var(--primary); font-weight: 800; font-size: .82rem;
    cursor: pointer; font-family: 'Nunito', sans-serif;
    text-decoration: underline; text-underline-offset: 2px;
}
.quota-upgrade-link:hover { color: var(--primary-dark); }

.cloud-tts-note {
    font-size: .72rem; font-weight: 700;
    color: var(--secondary); background: rgba(78,205,196,.12);
    padding: 2px 8px; border-radius: 8px; cursor: default;
}

/* ══════════════════════════════════════════════
   SAVED CHARACTERS
   ══════════════════════════════════════════════ */
.char-input-row {
    display: flex; gap: 8px; align-items: center;
}
.char-input-row input { flex: 1; }
.save-char-btn {
    flex-shrink: 0;
    background: #FFF0F0; border: 2px solid #FFB3B3;
    border-radius: 10px; padding: 8px 10px;
    font-size: 1rem; cursor: pointer; line-height: 1;
    transition: background .15s, transform .12s;
}
.save-char-btn:hover { background: #FFD6D6; transform: scale(1.08); }

.saved-chars-row {
    margin-top: 8px;
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
}
.saved-chars-label { font-size: .75rem; font-weight: 700; color: var(--text-muted); }
.saved-chars-list  { display: flex; flex-wrap: wrap; gap: 6px; }
.saved-char-chip {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 20px;
    background: #FFF0F8; border: 1.5px solid #FFB3D9;
    color: var(--text); font-size: .8rem; font-weight: 700;
    cursor: pointer; transition: background .15s;
    font-family: 'Nunito', sans-serif;
}
.saved-char-chip:hover { background: #FFD6EE; }
.saved-char-del {
    background: none; border: none; padding: 0 2px;
    color: #999; font-size: .85rem; cursor: pointer; line-height: 1;
    font-family: 'Nunito', sans-serif;
}
.saved-char-del:hover { color: #E00; }

/* ══════════════════════════════════════════════
   PRICING MODAL
   ══════════════════════════════════════════════ */
.pricing-modal-content {
    max-width: 680px !important;
    width: 95vw !important;
}
.pricing-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: .9rem;
    margin: -8px 0 24px;
    padding: 0 8px;
}
.pricing-plans {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 520px) { .pricing-plans { grid-template-columns: 1fr; } }

.plan-card {
    border: 2px solid var(--border);
    border-radius: 18px;
    padding: 24px 20px;
    position: relative;
    background: var(--card);
    display: flex; flex-direction: column; gap: 0;
}
.plan-card-premium {
    border-color: #FFD700;
    background: linear-gradient(160deg,#FFFDF0 0%,#FFF9E0 100%);
    box-shadow: 0 6px 28px rgba(255,165,0,.18);
}

.plan-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg,#FF6B35,#FFB347);
    color: #fff; font-size: .68rem; font-weight: 900;
    letter-spacing: 1px; padding: 3px 14px; border-radius: 20px;
    white-space: nowrap;
}
.plan-name  { font-family: 'Fredoka One', cursive; font-size: 1.3rem; color: var(--text); margin-bottom: 4px; }
.plan-price { font-size: 2rem; font-weight: 900; color: var(--primary); margin-bottom: 16px; line-height: 1; }
.plan-price span { font-size: .9rem; font-weight: 600; color: var(--text-muted); }

.plan-features {
    list-style: none; margin-bottom: 20px; flex: 1;
    display: flex; flex-direction: column; gap: 7px;
}
.plan-features li { font-size: .85rem; color: var(--text); }
.plan-features li.feature-no { color: var(--text-muted); opacity: .65; }

.plan-btn {
    width: 100%; padding: 12px;
    border-radius: 12px; border: none;
    font-family: 'Nunito', sans-serif; font-weight: 800; font-size: .95rem;
    cursor: pointer; transition: transform .12s, box-shadow .12s;
}
.plan-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.12); }
.plan-btn-free    { background: var(--border); color: var(--text-muted); }
.plan-btn-premium { background: linear-gradient(135deg,#FF6B35,#FFB347); color: #fff; }
.plan-note { text-align: center; font-size: .72rem; color: var(--text-muted); margin-top: 8px; }

/* ══════════════════════════════════════════════
   CONTENT SAFETY — no extra styles needed
   PRINT / PDF EXPORT
   ══════════════════════════════════════════════ */
@media print {
    .site-header, .reading-toolbar, .book-nav,
    .storybook-header, .reading-progress-bar,
    .page-actions, .regen-illus-btn,
    .choice-panel, .quiz-section,
    .end-page, #toast, .modal,
    .achievement-popup, .streak-badge { display: none !important; }

    body { background: #fff; }
    main { padding: 0; max-width: 100%; }

    #storybook-section { display: block !important; }
    #book-container    { display: block !important; }

    .story-spread {
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        page-break-after: always;
        padding: 32px;
        gap: 32px;
        min-height: 100vh;
    }
    .story-text { font-size: 1.1rem; line-height: 1.85; }
    .illus-page img { width: 100%; height: auto; max-height: 340px; object-fit: cover; border-radius: 12px; }
    .illus-loading   { display: none !important; }
    .cover-page {
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        page-break-after: always;
        padding: 32px;
        gap: 32px;
        min-height: 100vh;
        align-items: center;
    }
}


/* ══════════════════════════════════════════════
   MINI-GAME (Word Tap)
   ══════════════════════════════════════════════ */
.mg-panel {
    margin-top: 20px;
    background: linear-gradient(135deg, #F0FDF9 0%, #E0F7F4 100%);
    border: 2px solid var(--secondary);
    border-radius: 16px;
    padding: 18px 20px;
}
.mg-header {
    display: flex; align-items: center; gap: 7px;
    margin-bottom: 10px;
}
.mg-icon  { font-size: 1.2rem; }
.mg-label { font-size: .72rem; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; color: var(--secondary); }
.mg-instruction {
    font-weight: 700; font-size: .95rem; color: var(--text);
    margin-bottom: 14px;
}
.mg-words {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-bottom: 14px;
}
.mg-word {
    padding: 8px 16px;
    border: 2px solid var(--border);
    border-radius: 24px;
    background: #fff;
    color: var(--text);
    font-family: 'Nunito', sans-serif;
    font-weight: 700; font-size: .9rem;
    cursor: pointer;
    transition: all .15s;
}
.mg-word:hover { border-color: var(--secondary); background: #E0FFF9; }
.mg-word.mg-selected { background: var(--secondary); border-color: var(--secondary); color: #fff; }
.mg-word.mg-correct  { background: #4CAF50; border-color: #4CAF50; color: #fff; cursor: default; }
.mg-word.mg-missed   { background: #FFF3CD; border-color: #FFC107; color: #7A5C4F; cursor: default; }
.mg-word.mg-wrong    { background: #FFEBEE; border-color: #EF5350; color: #C62828; cursor: default; }
.mg-word:disabled    { cursor: default; }

.mg-check-btn {
    padding: 9px 24px;
    background: var(--secondary);
    color: #fff;
    border: none; border-radius: 12px;
    font-family: 'Nunito', sans-serif;
    font-weight: 800; font-size: .9rem;
    cursor: pointer;
    transition: transform .12s, box-shadow .12s;
}
.mg-check-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(78,205,196,.35); }

.mg-result { margin-top: 12px; font-weight: 700; font-size: .92rem; }
.mg-feedback-win { color: #2E7D32; }
.mg-feedback-ok  { color: #E65100; }
.mg-feedback-try { color: var(--text-muted); }

/* ══════════════════════════════════════════════
   BRANCHING ENDING
   ══════════════════════════════════════════════ */
.branch-ending-teaser {
    margin: 16px 0 4px;
    text-align: center;
}
.branch-hint {
    font-size: .88rem; color: var(--text-muted); margin-bottom: 10px;
}
.branch-ending-btn {
    background: linear-gradient(135deg, #FF6B35, #FFB347);
    color: #fff;
    border: none; border-radius: 14px;
    padding: 13px 28px;
    font-family: 'Nunito', sans-serif;
    font-weight: 800; font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(255,107,53,.3);
    transition: transform .14s, box-shadow .14s;
}
.branch-ending-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,53,.4); }
.branch-ending-btn:disabled { opacity: .7; cursor: wait; transform: none; }

.branch-ending-card {
    margin: 20px 0;
    background: linear-gradient(135deg, #FFFDF0 0%, #FFF5D6 100%);
    border: 2px solid #FFD700;
    border-radius: 20px;
    padding: 24px 22px;
    box-shadow: 0 6px 28px rgba(255,165,0,.18);
    animation: fadeSlideIn .5s ease;
}
.branch-ending-title {
    font-family: 'Fredoka One', cursive;
    font-size: 1.2rem; color: var(--primary);
    margin-bottom: 16px; text-align: center;
}
.branch-ending-spread {
    display: flex; gap: 20px; align-items: flex-start;
}
.branch-ending-text {
    flex: 1;
    font-size: 1rem; line-height: 1.75; font-weight: 600; color: var(--text);
}
.branch-ending-img {
    flex-shrink: 0; width: 140px; height: 140px;
    object-fit: cover; border-radius: 14px;
    box-shadow: 0 4px 14px rgba(0,0,0,.12);
}
@media (max-width: 500px) {
    .branch-ending-spread { flex-direction: column; }
    .branch-ending-img    { width: 100%; height: 180px; }
}

/* ══════════════════════════════════════════════
   PUBLIC STORY LIBRARY BUTTON
   ══════════════════════════════════════════════ */
.pub-lib-header-btn {
    background: rgba(255,255,255,.2);
    border: 2px solid rgba(255,255,255,.5);
    color: #fff;
    border-radius: 12px;
    padding: 9px 16px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: .9rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background .18s;
    flex-shrink: 0;
    margin-left: auto;
}
.pub-lib-header-btn:hover { background: rgba(255,255,255,.35); }

/* Remove auto-margin from My Library btn since Story Library handles it */
.library-open-btn { margin-left: 0; }

/* ══════════════════════════════════════════════
   PUBLIC LIBRARY MODAL
   ══════════════════════════════════════════════ */
.pub-library-modal-content {
    max-width: 820px;
    width: min(820px, 96vw);
    max-height: 90vh;
}

/* "Daily" badge in modal header */
.pub-lib-daily-badge {
    font-size: .68rem;
    font-weight: 700;
    background: #e8fdf3;
    border: 1.5px solid #a3dfc0;
    color: #1a6e45;
    padding: 3px 9px;
    border-radius: 20px;
    margin-left: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── Scrollable sections container ──────────── */
.pub-library-sections {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 16px 18px 8px;
}

/* ── Section block ───────────────────────────── */
.pub-lib-section { margin-bottom: 20px; }

.pub-lib-section-hdr {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 10px;
}
.pub-lib-section-title {
    font-family: 'Fredoka One', cursive;
    font-size: 1rem;
    color: var(--text);
}
.pub-lib-section-date {
    font-size: .72rem;
    font-weight: 700;
    color: var(--text-muted);
}

/* ── Section grids ───────────────────────────── */
/* Today's Picks — always 3 columns */
.pub-grid-today {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

/* Popular — auto-fill */
.pub-lib-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 12px;
}

/* ── Footer ─────────────────────────────────── */
.pub-lib-footer {
    text-align: center;
    font-size: .76rem;
    color: var(--text-muted);
    padding: 12px 0 16px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
}

/* ── Individual book card — image + overlay ─── */
.pub-book-card {
    position: relative;
    border-radius: 14px;
    aspect-ratio: 3 / 4;
    background: linear-gradient(135deg,#ffe5cc,#ffd0a8);
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 3px 12px rgba(0,0,0,.15);
}
.pub-book-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px rgba(0,0,0,.22);
}
/* border-radius on img/fallback/overlay avoids needing overflow:hidden on the card */
.pub-book-card > img {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 14px;
}

.pub-cover-fallback {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 3.5rem;
    color: rgba(0,0,0,.25);
    border-radius: 14px;
}

/* gradient overlay — tall enough to hold all info */
.pub-book-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top,
        rgba(0,0,0,.88) 0%,
        rgba(0,0,0,.72) 55%,
        transparent 100%);
    padding: 44px 11px 12px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    border-radius: 0 0 14px 14px;
}

.pub-book-title {
    font-family: 'Fredoka One', cursive;
    font-size: .95rem;
    color: #fff;
    line-height: 1.2;
    text-shadow: 0 1px 4px rgba(0,0,0,.6);
}
.pub-book-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.pub-tag {
    font-size: .62rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    background: rgba(255,255,255,.18);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    white-space: nowrap;
}
.pub-tag-lang   { background: rgba(20,100,180,.55);  border-color: rgba(140,200,255,.45); }
.pub-tag-quiz   { background: rgba(160,100,0,.55);   border-color: rgba(255,200,60,.45);  }
.pub-tag-choice { background: rgba(10,110,55,.55);   border-color: rgba(80,210,130,.45);  }
.pub-tag-mg     { background: rgba(100,20,160,.55);  border-color: rgba(190,120,240,.45); }

.pub-book-meta {
    font-size: .7rem;
    color: rgba(255,255,255,.72);
}
.pub-book-read-btn {
    margin-top: 6px;
    background: linear-gradient(135deg,var(--primary),var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 8px 0;
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: .82rem;
    cursor: pointer;
    width: 100%;
    transition: opacity .15s, transform .12s;
    text-shadow: none;
}
.pub-book-read-btn:hover { opacity: .88; }

/* ── Mobile ─────────────────────────────────── */
@media (max-width: 600px) {
    .pub-library-modal-content  { max-height: 92vh; }
    .pub-library-sections       { padding: 12px 12px 6px; }
    .pub-grid-today             { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .pub-lib-section-grid       { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; }
    .pub-book-overlay { padding: 36px 9px 10px; gap: 4px; }
    .pub-book-title   { font-size: .82rem; }
    .pub-book-read-btn { padding: 7px 0; font-size: .78rem; }
    .pub-lib-header-btn { padding: 9px 11px; }
}