:root{--bg-primary: #0a0a0a;--bg-secondary: rgba(20, 20, 20, .75);--bg-tertiary: rgba(30, 30, 30, .5);--border-glass: rgba(255, 255, 255, .05);--border-focus: rgba(212, 175, 55, .4);--text-primary: #e5e2e1;--text-secondary: #a39b8c;--text-muted: #6b6459;--accent-gold: #d4af37;--accent-gold-hover: #f2ca50;--accent-leather: #4b3621;--color-correct: #2e7d32;--color-close: #ef6c00;--color-wrong: #c62828;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-serif: Georgia, Cambria, "Times New Roman", Times, serif;--glass-shadow: 0 10px 40px rgba(0, 0, 0, .6);--backdrop-blur: blur(16px);--transition-smooth: all .4s cubic-bezier(.25, .8, .25, 1);--transition-fast: all .15s ease;--page-bg: #1a1613;--page-text: #e8dfc7;--page-border: rgba(212, 175, 55, .25);--page-red-line: rgba(198, 40, 40, .3);--book-cover: #141414;--book-gold-edge: #b8901c}html[data-theme=light]{--bg-primary: #f4f0e6;--bg-secondary: rgba(234, 221, 201, .85);--bg-tertiary: rgba(218, 202, 178, .6);--border-glass: rgba(75, 54, 33, .08);--border-focus: #4b3621;--text-primary: #2b1f13;--text-secondary: #6d5945;--text-muted: #96816c;--accent-gold: #b8901c;--accent-gold-hover: #d4af37;--glass-shadow: 0 10px 40px rgba(75, 54, 33, .15);--page-bg: #faf6eb;--page-text: #2d2116;--page-border: rgba(75, 54, 33, .12);--page-red-line: rgba(198, 40, 40, .2);--book-cover: #59422c;--book-gold-edge: #d4af37}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;transition:background-color .4s ease,color .4s ease;background-image:radial-gradient(circle at 10% 20%,rgba(212,175,55,.03) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(75,54,33,.03) 0%,transparent 40%);background-attachment:fixed}.glass-panel{background:var(--bg-secondary);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:16px;box-shadow:var(--glass-shadow);padding:24px;transition:var(--transition-smooth)}.glass-panel:hover{border-color:var(--border-glass)}.glass-card{background:var(--bg-tertiary);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:12px;padding:16px;transition:var(--transition-fast)}.btn{font-family:var(--font-sans);font-weight:600;font-size:14px;padding:12px 24px;border-radius:6px;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--transition-fast)}.btn-primary{background:var(--accent-gold);color:#000;box-shadow:0 4px 12px #d4af3733}.btn-primary:hover:not(:disabled){background:var(--accent-gold-hover);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{background:var(--text-muted);color:var(--bg-primary);box-shadow:none;cursor:not-allowed;opacity:.4}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-glass)}.btn-secondary:hover{background:#ffffff0d}.bible-page-cutout{background-color:var(--page-bg);color:var(--page-text);border:1px solid var(--page-border);border-radius:8px;box-shadow:0 15px 35px #0006,inset 0 0 40px #0000000d;font-family:var(--font-serif);padding:40px;position:relative;overflow:hidden;transition:background-color .4s ease,color .4s ease}.bible-page-cutout:before,.bible-page-cutout:after{content:"";position:absolute;top:0;bottom:0;width:1px;background-color:var(--page-red-line)}.bible-page-cutout:before{left:24px}.bible-page-cutout:after{right:24px}.bible-page-fold{position:absolute;top:0;bottom:0;left:50%;width:30px;transform:translate(-50%);background:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.12) 40%,rgba(0,0,0,.2) 50%,rgba(0,0,0,.12) 60%,transparent 100%);pointer-events:none;z-index:5}.drop-cap:first-letter{font-size:3.5rem;float:left;line-height:.8;padding-right:8px;padding-top:4px;font-weight:700;color:var(--accent-gold);font-family:var(--font-serif)}.book-container{width:100%;display:flex;justify-content:center;align-items:center;padding:30px 0;perspective:1600px}.book-3d{position:relative;width:520px;height:350px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.25,.8,.25,1);transform:rotateX(25deg) rotateY(0)}.book-cover-left,.book-cover-right{position:absolute;width:50%;height:100%;background:var(--book-cover);border-radius:8px 0 0 8px;transform-style:preserve-3d;box-shadow:0 10px 30px #00000080,inset 0 0 15px #0006;border:1px solid rgba(212,175,55,.15)}.book-cover-left{left:0;transform-origin:right center;transform:rotateY(-5deg)}.book-cover-right{right:0;border-radius:0 8px 8px 0;transform-origin:left center;transform:rotateY(5deg)}.corner-ornament{position:absolute;width:16px;height:16px;border:2px solid var(--book-gold-edge);opacity:.7}.corner-top-left{top:12px;left:12px;border-right:none;border-bottom:none}.corner-top-right{top:12px;right:12px;border-left:none;border-bottom:none}.corner-bottom-left{bottom:12px;left:12px;border-right:none;border-top:none}.corner-bottom-right{bottom:12px;right:12px;border-left:none;border-top:none}.book-spine{position:absolute;left:50%;width:32px;height:100%;transform:translate(-50%) translateZ(-4px);background:linear-gradient(90deg,#0f0f0f,#221c16,#0f0f0f);box-shadow:inset 0 0 8px #000c;border-radius:4px}.page-sheet-3d{position:absolute;width:49%;height:94%;top:3%;transform-style:preserve-3d;transform-origin:left center;transition:transform .6s cubic-bezier(.25,.8,.25,1)}.page-sheet-left{right:50%;transform-origin:right center;transform:rotateY(0)}.page-sheet-right{left:50%;transform-origin:left center;transform:rotateY(0)}.page-face{position:absolute;width:100%;height:100%;background-color:var(--page-bg);color:var(--page-text);padding:24px;font-family:var(--font-serif);box-shadow:inset 0 0 25px #0000000d;border:1px solid var(--page-border);overflow:hidden;backface-visibility:hidden}.page-face-back{transform:rotateY(180deg)}.gold-edges{position:absolute;background:linear-gradient(90deg,var(--book-gold-edge),#8a6d1c,var(--book-gold-edge));box-shadow:inset 0 0 10px #00000080;z-index:1}.gold-edges-bottom{bottom:0;left:2%;width:96%;height:8px;transform:rotateX(90deg);transform-origin:bottom center}.gold-edges-top{top:0;left:2%;width:96%;height:8px;transform:rotateX(-90deg);transform-origin:top center}.gold-edges-side-left{left:0;top:2%;width:8px;height:96%;transform:rotateY(-90deg);transform-origin:left center}.gold-edges-side-right{right:0;top:2%;width:8px;height:96%;transform:rotateY(90deg);transform-origin:right center}.scripture-line-placeholder{height:8px;background-color:var(--text-muted);opacity:.15;border-radius:4px;margin-bottom:12px}.scripture-line-placeholder.short{width:60%}.scripture-line-placeholder.medium{width:85%}.scripture-line-placeholder.long{width:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px;opacity:.3}.picker-breadcrumbs{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;width:100%}.picker-breadcrumbs-links{display:flex;gap:8px;font-size:13px;font-weight:600;color:var(--text-secondary);flex-wrap:wrap}.picker-back-btn{display:inline-flex;align-items:center;gap:6px;background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--page-border);padding:6px 12px;border-radius:6px;font-family:var(--font-sans);font-size:12px;font-weight:600;cursor:pointer;transition:var(--transition-fast)}.picker-back-btn:hover{border-color:var(--accent-gold);color:var(--accent-gold);background-color:#d4af371a}.picker-scrollable-container{overflow-y:auto;min-height:0;-webkit-overflow-scrolling:touch;padding-right:4px}.picker-book-btn{background:none;border:none;padding:4px 6px;border-radius:4px;text-align:left;font-size:10.5px;font-weight:600;font-family:var(--font-sans);color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.picker-book-btn.hovered,.picker-book-btn:hover{color:var(--accent-gold);background-color:#d4af371a}.picker-chapter-btn{display:flex;align-items:center;justify-content:center;height:26px;border-radius:4px;font-size:11px;font-weight:500;font-family:var(--font-sans);border:1px solid var(--page-border);background-color:transparent;color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast)}.picker-chapter-btn.hovered,.picker-chapter-btn:hover{font-weight:700;border:1px solid var(--accent-gold);background-color:#d4af371f;color:var(--accent-gold)}.picker-verse-peek-btn{display:block;width:100%;text-align:left;background:transparent;border:none;font-family:inherit;font-size:inherit;line-height:inherit;padding:4px 6px;border-radius:4px;cursor:pointer;color:inherit;transition:var(--transition-fast);margin-bottom:2px}.picker-verse-peek-btn.highlighted,.picker-verse-peek-btn:hover{background:#d4af3726;color:var(--accent-gold)}.picker-verse-grid-btn{display:flex;align-items:center;justify-content:center;height:24px;border-radius:4px;font-size:11px;border:1px solid var(--page-border);background-color:transparent;color:var(--text-secondary);cursor:pointer;font-family:var(--font-sans);transition:var(--transition-fast)}.picker-verse-grid-btn.highlighted,.picker-verse-grid-btn:hover{border:1px solid var(--accent-gold);background-color:#d4af3726;color:var(--accent-gold)}.page-turn-btn{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background-color:var(--page-bg);border:1px solid var(--accent-gold);color:var(--accent-gold);font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #0006;z-index:99}.page-turn-btn.left{left:-20px}.page-turn-btn.right{right:-20px}.mobile-pagination{display:none}@media(max-width:600px){#root{padding:12px}.book-3d{width:330px;height:250px}.page-face{padding:10px 12px}.picker-breadcrumbs{flex-direction:column;align-items:stretch;gap:8px;margin-bottom:12px}.picker-breadcrumbs-links{justify-content:center;font-size:11px;text-align:center}.picker-back-btn{width:100%;height:42px;justify-content:center;font-size:14px;box-sizing:border-box}.picker-book-btn{font-size:9px;padding:2px 4px}.page-turn-btn{display:none!important}.mobile-pagination{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:16px}.picker-page-indicator{font-size:13px;font-weight:600;color:var(--text-secondary);font-family:var(--font-sans);min-width:90px;text-align:center}.picker-nav-btn{padding:6px 12px;font-size:12px;border-radius:6px;cursor:pointer;transition:background-color .2s,border-color .2s}.picker-nav-btn:disabled{cursor:not-allowed;opacity:.3}.bible-page-cutout{padding:24px}.bible-page-cutout:before{left:14px}.bible-page-cutout:after{right:14px}}@media(max-width:360px){.book-3d{width:290px;height:220px}.page-face{padding:8px 10px}.picker-book-btn{font-size:8.5px;padding:1px 2px}.picker-chapter-btn,.picker-verse-grid-btn{height:22px;font-size:10px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:fadeInUp .4s cubic-bezier(.16,1,.3,1) forwards}@keyframes flip-forward{0%{transform:rotateY(0)}to{transform:rotateY(-180deg)}}@keyframes flip-backward{0%{transform:rotateY(-180deg)}to{transform:rotateY(0)}}.sheet-flip-forward{animation:flip-forward .6s cubic-bezier(.25,.8,.25,1) forwards}.sheet-flip-backward{animation:flip-backward .6s cubic-bezier(.25,.8,.25,1) forwards}.page-turn-btn{transition:transform .2s cubic-bezier(.25,.8,.25,1),background-color .2s,color .2s!important}.page-turn-btn:hover{transform:translateY(-50%) scale(1.15)!important;background-color:var(--accent-gold)!important;color:var(--page-bg)!important;box-shadow:0 0 12px var(--accent-gold)!important}