:root{--bg: #faf3e8;--bg-page: #f4ead9;--bg-card: #fffaf2;--bg-card-soft: #fbf3e2;--ink: #2c1d10;--ink-soft: #5a4530;--ink-muted: #9b8b76;--accent: #b15c2e;--accent-hover: #9a4d22;--accent-tint: #fbe8d8;--success: #4f6b4a;--success-tint: #e7efe2;--border: #e8dcc8;--border-strong: #d7c5a8;--shadow-soft: 0 1px 2px rgba(76, 51, 26, .04), 0 4px 14px rgba(76, 51, 26, .06);--shadow-hover: 0 2px 4px rgba(76, 51, 26, .06), 0 10px 28px rgba(76, 51, 26, .1);--radius: 14px;--radius-sm: 10px;--font-serif: "Lora", Georgia, "Times New Roman", serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 50% -10%,var(--bg-page) 0%,var(--bg) 55%);z-index:-1;pointer-events:none}.reader-page{max-width:720px;margin:0 auto;padding:2.5rem 1.5rem 4rem}.reader-page h1{font-family:var(--font-serif);font-weight:500;font-size:2.1rem;line-height:1.2;margin:0 0 .5rem;letter-spacing:-.01em}.reader-page h2{font-family:var(--font-serif);font-weight:500;font-size:1.35rem;margin:2rem 0 .75rem}.reader-page h3{font-family:var(--font-serif);font-weight:500;font-size:1.1rem;margin:0}.reader-page p{color:var(--ink-soft);margin:0 0 1rem}.reader-page a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s ease}.reader-page a:hover{border-bottom-color:var(--accent)}.reader-header{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-bottom:1.25rem;margin-bottom:2rem;border-bottom:1px solid var(--border)}.reader-header .brand{font-family:var(--font-serif);font-size:1.4rem;font-weight:500;color:var(--ink);border-bottom:none}.reader-header .brand:hover{border-bottom:none}.reader-header .auth{display:flex;align-items:center;gap:.6rem;font-size:.92rem;color:var(--ink-muted)}.reader-header .auth-email{color:var(--ink-soft);font-weight:500}.welcome{font-family:var(--font-serif);font-style:italic;font-size:1.1rem;color:var(--ink-soft);margin-bottom:2rem;line-height:1.5}.back-link{display:inline-block;font-size:.92rem;color:var(--ink-muted)!important;margin-bottom:1.25rem;border-bottom:none!important}.back-link:hover{color:var(--accent)!important}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;font-family:var(--font-sans);font-size:.95rem;font-weight:500;padding:.65rem 1.2rem;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;transition:background .15s,color .15s,border-color .15s,transform .15s,box-shadow .15s;white-space:nowrap}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fffaf2;border-color:var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-soft)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-ghost{background:transparent;color:var(--accent);border-color:var(--accent)}.btn-ghost:hover:not(:disabled){background:var(--accent-tint);border-color:var(--accent-hover);border-bottom:1px solid var(--accent-hover)}.btn-link{background:transparent;color:var(--ink-muted);padding:.25rem .55rem;border:none;font-size:.92rem}.btn-link:hover:not(:disabled){color:var(--accent)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem;box-shadow:var(--shadow-soft);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}.card.interactive:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}.card.current{border-color:var(--accent);background:var(--bg-card);box-shadow:var(--shadow-soft),0 0 0 3px var(--accent-tint)}.card.locked{background:var(--bg-card-soft);opacity:.78}.row{display:flex;gap:1.25rem;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}.row .meta{flex:1 1 60%;min-width:0}.row .action{flex:0 0 auto}.book-meta{font-family:var(--font-serif);font-style:italic;color:var(--ink-soft);font-size:.95rem;margin:.15rem 0 .5rem}.muted{color:var(--ink-muted);font-size:.92rem}.empty{text-align:center;padding:2.5rem 1rem;color:var(--ink-muted);font-style:italic;font-family:var(--font-serif)}.chip{display:inline-flex;align-items:center;font-size:.78rem;font-weight:500;padding:.2rem .65rem;border-radius:999px;letter-spacing:.03em;text-transform:uppercase}.chip.success{background:var(--success-tint);color:var(--success)}.chip.progress{background:var(--accent-tint);color:var(--accent)}.chip.locked{background:#ece2d0;color:var(--ink-muted)}.input,.textarea{width:100%;font-family:var(--font-sans);font-size:1rem;line-height:1.5;padding:.75rem .95rem;background:#fffaf2;color:var(--ink);border:1px solid var(--border-strong);border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s,background .15s}.input:focus,.textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}.input::placeholder,.textarea::placeholder{color:var(--ink-muted)}.textarea{resize:vertical;min-height:130px;font-family:var(--font-serif);font-size:1.02rem;line-height:1.7}.input:disabled,.textarea:disabled{background:#f3eada;color:var(--ink-soft);cursor:not-allowed}.chapter-progress{display:flex;align-items:center;gap:.85rem;margin:-.25rem 0 1.75rem;font-size:.9rem;color:var(--ink-muted)}.progress-bar{flex-grow:1;height:4px;background:var(--border);border-radius:2px;overflow:hidden;max-width:240px}.progress-bar>span{display:block;height:100%;background:var(--accent);border-radius:2px;transition:width .4s ease}.question-prompt{font-family:var(--font-serif);font-size:1.08rem;color:var(--ink);margin:0 0 .85rem;font-weight:500;line-height:1.45}.question-prompt .pos{color:var(--ink-muted);font-weight:400;margin-right:.4rem}.question-meta{font-size:.82rem;color:var(--ink-muted);margin-top:.5rem;height:1.1rem}.question-meta.saved{color:var(--success)}.actions-row{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.75rem}.error-text{color:#ad3a26}.success-text{color:var(--success)}.login-shell{max-width:460px;margin:4.5rem auto 4rem;padding:0 1.5rem}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2.25rem 2rem;box-shadow:var(--shadow-soft);text-align:left}.login-card h1{font-family:var(--font-serif);font-weight:500;font-size:1.85rem;margin:0 0 .5rem;text-align:center}.login-card .lead{text-align:center;margin-bottom:1.75rem;color:var(--ink-soft)}.login-form{display:grid;gap:.85rem}.login-mark{text-align:center;font-family:var(--font-serif);font-style:italic;color:var(--ink-muted);margin-bottom:1.5rem;font-size:.95rem}.completion{background:var(--success-tint);border:1px solid #cbd9c4;border-radius:var(--radius);padding:1.25rem 1.5rem;color:var(--success);font-family:var(--font-serif);font-size:1.05rem;margin-bottom:1.5rem}.completion strong{display:block;font-weight:500;font-size:1.1rem;margin-bottom:.25rem}@media(max-width:540px){.reader-page{padding:1.75rem 1.1rem 3rem}.reader-page h1{font-size:1.7rem}.row .action,.row .action .btn{width:100%}}