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#00000040!important}.auth-tabs{display:flex;gap:1rem;border-bottom:2px solid var(--border-color);margin-bottom:1.5rem}.auth-tab-btn{background:none;border:none;color:var(--text-secondary);font-size:1.05rem;font-weight:700;padding:.5rem;cursor:pointer;position:relative;transition:var(--transition-smooth)}.auth-tab-btn.active{color:var(--accent-primary)}.auth-tab-btn.active:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--accent-primary);border-radius:2px}.auth-error-msg{background:#ef444426;color:#f87171;border:1px solid rgba(239,68,68,.3);padding:.75rem 1rem;border-radius:10px;font-size:.85rem;margin-bottom:1.25rem;text-align:center}.shelf-wrapper{position:relative;width:100%}.shelf-nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:#0f172ad9;border:1px solid rgba(255,255,255,.15);color:#fff;font-size:1.6rem;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .2s cubic-bezier(.4,0,.2,1);opacity:0;pointer-events:none;box-shadow:0 4px 12px #00000059;padding:0 0 4px}.shelf-wrapper:hover .shelf-nav-btn{opacity:1;pointer-events:auto}.shelf-nav-btn:hover{background:var(--accent-primary);border-color:var(--accent-primary);transform:translateY(-50%) scale(1.1);box-shadow:0 0 12px #8b5cf680}.shelf-nav-btn.prev{left:-15px}.shelf-nav-btn.next{right:-15px}@media (max-width: 768px){.shelf-nav-btn{display:none}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:focus{outline:none}:focus-visible{outline:3px solid #7c6bff!important;outline-offset:3px!important;box-shadow:0 0 0 5px #7c6bff40!important;border-radius:4px}:root{--bg-primary: #0b0f19;--bg-secondary: #161c2a;--bg-tertiary: #1f2738;--accent-primary: #8b5cf6;--accent-primary-hover: #7c3aed;--accent-secondary: #06b6d4;--accent-secondary-hover: #0891b2;--text-primary: #f3f4f6;--text-secondary: #9ca3af;--text-muted: #6b7280;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--border-color: #2a354c;--card-shadow: 0 12px 40px -10px rgba(0, 0, 0, .5);--glass-bg: rgba(22, 28, 42, .7);--glass-border: rgba(255, 255, 255, .05);--font-sans: "Inter", sans-serif;--font-display: "Outfit", sans-serif;--font-serif: "Playfair Display", serif;--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast: all .15s ease}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;letter-spacing:-.025em;color:#fff}input,button,select,textarea{font-family:inherit}a{color:var(--accent-secondary);text-decoration:none;transition:var(--transition-fast)}a:hover{color:var(--accent-secondary-hover)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulseBorder{0%{box-shadow:0 0 #8b5cf666}70%{box-shadow:0 0 0 10px #8b5cf600}to{box-shadow:0 0 #8b5cf600}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-5px)}to{transform:translateY(0)}}.animated-fadeIn{animation:fadeIn .4s cubic-bezier(.16,1,.3,1) forwards}.animated-scaleIn{animation:scaleIn .3s cubic-bezier(.16,1,.3,1) forwards}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-shimmer{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-secondary) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite linear}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border)}body.light-mode{--bg-primary: #f3f4f6;--bg-secondary: #ffffff;--bg-tertiary: #e5e7eb;--text-primary: #111827;--text-secondary: #4b5563;--text-muted: #9ca3af;--border-color: #d1d5db;--card-shadow: 0 10px 30px -5px rgba(0, 0, 0, .08);--glass-bg: rgba(255, 255, 255, .85);--glass-border: rgba(0, 0, 0, .05);--navbar-bg: rgba(255, 255, 255, .9);--nav-active-color: #111827;--hero-bg: linear-gradient(135deg, rgba(139, 92, 246, .08) 0%, rgba(6, 182, 212, .06) 100%);--btn-secondary-bg: rgba(0, 0, 0, .05);--btn-secondary-hover: rgba(0, 0, 0, .1);--reader-bg: #ffffff}body.light-mode h1,body.light-mode h2,body.light-mode h3,body.light-mode h4,body.light-mode h5,body.light-mode h6{color:#111827}body.light-mode .reader-canvas{background:#fff;color:#1f2937;border-color:#d1d5db}body.light-mode .cat-tab:not(.active){background:#fff;color:#4b5563}body.light-mode .search-box input{background:#fff;color:#111827}body.light-mode .logo{background:linear-gradient(135deg,#1f2937 0%,var(--accent-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}body.light-mode .book-card-badge{background:#ffffffe6;color:#374151}body.light-mode .otp-digit-container input{color:#111827}body.light-mode .auth-error-msg{background:#ef44441a;color:#b91c1c;border-color:#ef444440}body.light-mode .admin-table td,body.light-mode .g-widget-title{color:#111827}body.light-mode ::-webkit-scrollbar-track{background:#f3f4f6}body.light-mode ::-webkit-scrollbar-thumb{background:#d1d5db}