*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-deep: #0f0f12;--bg: #16161d;--bg-raised: #1e1e28;--bg-card: #22222e;--bg-hover: #2a2a38;--amber: #d4a44a;--amber-bright: #e8bf6a;--amber-dim: #a07830;--amber-glow: rgba(212, 164, 74, .15);--amber-glow-strong: rgba(212, 164, 74, .25);--parchment: #f4eee4;--parchment-dark: #e8dfd2;--ink: #1a1812;--text: #e8e4dc;--text-secondary: #a8a298;--text-muted: #6b6660;--border: #2e2e3a;--border-light: #3a3a48;--error: #e85454;--error-bg: rgba(232, 84, 84, .1);--success: #5cb870;--warning: #d4a44a;--warning-bg: rgba(212, 164, 74, .1);--radius: 10px;--radius-sm: 6px;--radius-lg: 16px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 20px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px rgba(212, 164, 74, .08);--transition: .25s cubic-bezier(.4, 0, .2, 1);--font-display: "Playfair Display", "Georgia", serif;--font-body: "Crimson Pro", "Georgia", serif;--font-ui: "DM Sans", -apple-system, sans-serif}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--bg-deep);color:var(--text);min-height:100vh;line-height:1.6}body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E")}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1.5rem;background:radial-gradient(ellipse at 30% 20%,rgba(212,164,74,.06) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(212,164,74,.04) 0%,transparent 50%),var(--bg-deep)}.auth-card{background:var(--bg-raised);border-radius:var(--radius-lg);padding:3rem 2.5rem;width:100%;max-width:420px;text-align:center;box-shadow:var(--shadow-lg),var(--shadow-glow);border:1px solid var(--border);position:relative;overflow:hidden;animation:cardReveal .6s cubic-bezier(.16,1,.3,1) both}.auth-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--amber),transparent)}@keyframes cardReveal{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.auth-card h1{font-family:var(--font-display);font-size:2.2rem;font-weight:700;color:var(--amber);margin-bottom:.25rem;letter-spacing:-.02em}.auth-card .subtitle{font-family:var(--font-body);color:var(--text-muted);margin-bottom:2rem;font-style:italic;font-size:1rem;font-weight:300}.auth-card form{display:flex;flex-direction:column;gap:.875rem}.auth-card input{padding:.875rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:.95rem;font-family:var(--font-ui);outline:none;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition)}.auth-card input:focus{border-color:var(--amber-dim);box-shadow:0 0 0 3px var(--amber-glow);background:var(--bg-deep)}.auth-card input::placeholder{color:var(--text-muted)}.auth-card button{padding:.875rem;border:none;border-radius:var(--radius-sm);background:var(--amber);color:var(--bg-deep);font-size:.95rem;font-weight:600;font-family:var(--font-ui);cursor:pointer;transition:all var(--transition);margin-top:.5rem;letter-spacing:.02em}.auth-card button:hover{background:var(--amber-bright);box-shadow:0 4px 20px #d4a44a4d;transform:translateY(-1px)}.auth-card button:active{transform:translateY(0)}.auth-card .error{color:var(--error);font-size:.85rem;background:var(--error-bg);padding:.5rem .75rem;border-radius:var(--radius-sm);font-family:var(--font-ui);border:1px solid rgba(232,84,84,.15)}.auth-card .link{margin-top:1.75rem;color:var(--text-muted);font-size:.875rem;font-family:var(--font-ui)}.auth-card .link a{color:var(--amber);text-decoration:none;font-weight:600;transition:color var(--transition)}.auth-card .link a:hover{color:var(--amber-bright)}.library-page{max-width:1000px;margin:0 auto;padding:2rem;min-height:100vh;animation:pageIn .5s ease both}@keyframes pageIn{0%{opacity:0}to{opacity:1}}.library-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:2.5rem}.library-header h1{font-family:var(--font-display);font-size:1.8rem;font-weight:700;color:var(--amber);letter-spacing:-.02em}.logout-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:.4rem 1.1rem;border-radius:var(--radius-sm);cursor:pointer;font-size:.8rem;font-family:var(--font-ui);font-weight:500;transition:all var(--transition);letter-spacing:.03em;text-transform:uppercase}.logout-btn:hover{border-color:var(--text-secondary);color:var(--text);background:var(--bg-raised)}.library-actions{margin-bottom:2.5rem}.upload-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.5rem;border:1.5px solid var(--amber-dim);border-radius:var(--radius-sm);background:transparent;color:var(--amber);font-size:.9rem;font-weight:600;font-family:var(--font-ui);cursor:pointer;transition:all var(--transition);letter-spacing:.02em}.upload-btn:hover{background:var(--amber-glow);border-color:var(--amber);box-shadow:0 0 20px #d4a44a1a}.upload-btn:disabled{opacity:.4;cursor:not-allowed}.empty-state{text-align:center;color:var(--text-muted);margin-top:8rem;font-size:1.15rem;font-style:italic;font-weight:300;line-height:2}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.25rem}.book-card{background:var(--bg-raised);border-radius:var(--radius);padding:0;cursor:pointer;transition:all var(--transition);box-shadow:var(--shadow-sm);border:1px solid var(--border);position:relative;overflow:hidden;animation:cardStagger .5s cubic-bezier(.16,1,.3,1) both}.book-card:nth-child(1){animation-delay:.05s}.book-card:nth-child(2){animation-delay:.1s}.book-card:nth-child(3){animation-delay:.15s}.book-card:nth-child(4){animation-delay:.2s}.book-card:nth-child(5){animation-delay:.25s}.book-card:nth-child(6){animation-delay:.3s}.book-card:nth-child(n+7){animation-delay:.35s}@keyframes cardStagger{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.book-card:hover{box-shadow:var(--shadow-md),var(--shadow-glow);transform:translateY(-4px);border-color:var(--border-light)}.book-card:before{content:"";position:absolute;top:0;left:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--amber),var(--amber-dim));opacity:.5;transition:opacity var(--transition)}.book-card:hover:before{opacity:1}.book-card-inner{padding:1.5rem 1.5rem 1.25rem}.book-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:8px;background:var(--amber-glow);color:var(--amber);font-size:.7rem;font-weight:700;font-family:var(--font-ui);letter-spacing:.08em;margin-bottom:1rem;text-transform:uppercase}.book-card h3{font-family:var(--font-display);font-size:1rem;font-weight:600;margin-bottom:.3rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);line-height:1.3}.chunk-count{color:var(--text-muted);font-size:.78rem;font-family:var(--font-ui);margin-bottom:.75rem;font-weight:400}.badge{display:inline-block;font-size:.7rem;font-weight:600;padding:.2rem .6rem;border-radius:20px;font-family:var(--font-ui);text-transform:uppercase;letter-spacing:.05em}.badge.processing{background:var(--warning-bg);color:var(--warning);border:1px solid rgba(212,164,74,.2)}.badge.error-badge{background:var(--error-bg);color:var(--error);border:1px solid rgba(232,84,84,.15)}.progress-bar-container{position:relative;height:3px;background:var(--border);border-radius:10px;overflow:hidden;margin-top:.25rem}.progress-bar{height:100%;background:linear-gradient(90deg,var(--amber-dim),var(--amber));border-radius:10px;transition:width .5s ease;box-shadow:0 0 6px 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#ffffff80;position:relative;animation:chunkIn .35s cubic-bezier(.16,1,.3,1) both;color:var(--ink)}@keyframes chunkIn{0%{opacity:0;transform:translateY(10px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}.chunk-card:before{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);pointer-events:none;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E")}.chunk-chapter{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--amber-dim);margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--parchment-dark);font-family:var(--font-ui)}.chunk-summary{font-family:var(--font-body);font-size:.88rem;font-style:italic;color:#7a7268;margin-bottom:1.5rem;padding:.625rem 1rem;border-left:2px solid var(--parchment-dark);line-height:1.7;font-weight:300}.chunk-text{font-family:var(--font-body);font-size:1.3rem;line-height:2;text-align:left;color:var(--ink);font-weight:400}.chunk-footer{margin-top:2.5rem;text-align:center;padding-top:1rem}.chunk-position{color:#b0a898;font-size:.75rem;font-family:var(--font-ui);font-weight:500;letter-spacing:.06em}.chunk-footer:before{content:"";display:block;width:40px;height:1px;background:var(--parchment-dark);margin:0 auto 1rem}.reader-controls{display:flex;align-items:center;justify-content:space-between;padding:.875rem 1.5rem;background:var(--bg);border-top:1px solid var(--border);gap:.5rem}.nav-btn{display:inline-flex;align-items:center;justify-content:center;min-width:72px;background:var(--bg-raised);border:1px solid var(--border);color:var(--text-secondary);padding:.5rem 1rem;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-ui);font-size:.8rem;font-weight:500;transition:all var(--transition);letter-spacing:.03em}.nav-btn:hover:not(:disabled){background:var(--bg-hover);border-color:var(--amber-dim);color:var(--amber)}.nav-btn:disabled{opacity:.2;cursor:not-allowed}.play-controls{display:flex;align-items:center;gap:.5rem}.play-btn{display:inline-flex;align-items:center;justify-content:center;min-width:80px;background:var(--amber);border:none;color:var(--bg-deep);padding:.5rem 1.25rem;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-ui);font-size:.8rem;font-weight:700;transition:all var(--transition);letter-spacing:.03em;text-transform:uppercase}.play-btn:hover{background:var(--amber-bright);box-shadow:0 0 20px #d4a44a40}.speed-btn{background:var(--bg-raised);border:1px solid var(--border);color:var(--text-muted);padding:.5rem .75rem;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-ui);font-size:.75rem;font-weight:500;transition:all var(--transition);white-space:nowrap}.speed-btn:hover{background:var(--bg-hover);border-color:var(--border-light);color:var(--text-secondary)}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:1rem;color:var(--text-muted);font-family:var(--font-display);font-size:1.1rem;font-style:italic}.loading:after{content:"";width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--amber);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:640px){.auth-card{padding:2.25rem 1.75rem;border-radius:var(--radius)}.auth-card h1{font-size:1.8rem}.library-page{padding:1.5rem 1rem}.library-header h1{font-size:1.4rem}.book-grid{grid-template-columns:1fr 1fr;gap:.75rem}.book-card-inner{padding:1.125rem}.book-icon{width:36px;height:36px;font-size:.65rem}.page-area{padding:2rem 1rem;min-height:55vh}.chunk-card{padding:2rem 1.5rem;border-radius:var(--radius)}.chunk-text{font-size:1.1rem;line-height:1.9}.reader-controls{padding:.75rem 1rem}.nav-btn{min-width:56px;padding:.5rem .6rem;font-size:.75rem}.play-btn{min-width:64px;padding:.5rem .875rem;font-size:.75rem}}@media(max-width:380px){.book-grid{grid-template-columns:1fr}}