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.nav-item{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);min-height:48px;transition:background var(--transition-fast);font-weight:500;display:flex}.sidebar .nav-item:hover{background:var(--sidebar-hover)}.sidebar .nav-item[aria-current=page]{background:var(--sidebar-active);font-weight:700}.sidebar .sidebar-section{padding:var(--space-4) var(--space-6);border-top:1px solid #ffffff1a}.sidebar .sidebar-label{text-transform:uppercase;letter-spacing:.08em;color:var(--sidebar-text-muted);margin-bottom:var(--space-2);font-size:.75rem;font-weight:600}.reading-content{max-width:var(--max-line-width)}.card{background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-6);transition:box-shadow var(--transition-normal), transform var(--transition-normal)}.card:hover{transform:translateY(-1px);box-shadow:0 8px 24px #1e609114}.card-accent-red{border-top:4px solid var(--color-primary)}.card-accent-green{border-top:4px solid var(--color-secondary)}.card-accent-blue{border-top:4px solid var(--color-primary-light)}.card-accent-orange{border-top:4px solid var(--color-accent)}.card-accent-purple{border-top:4px solid #7c3aed}.card-accent-teal{border-top:4px solid var(--color-secondary)}.welcome-banner{color:#fff;border-radius:var(--radius-xl);padding:var(--space-8);background:linear-gradient(135deg,#0d9488 0%,#1e6091 50%,#0f2b3c 100%);position:relative;overflow:hidden}.welcome-banner:before{content:"";background:#ffffff14;border-radius:50%;width:300px;height:300px;position:absolute;top:-50%;right:-20%}.welcome-banner:after{content:"";background:#ffffff0d;border-radius:50%;width:200px;height:200px;position:absolute;bottom:-30%;right:10%}.stat-card{background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-6);text-align:center}.stat-card .stat-value{color:var(--color-primary);font-size:1.75rem;font-weight:800}.stat-card .stat-label{color:var(--text-muted);margin-top:var(--space-1);font-size:.8rem}.badge{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:.75rem;font-weight:700;display:inline-flex}.badge-primary{color:var(--color-primary);background:#1e60911a}.badge-success{color:var(--color-success);background:#16a34a1a}.badge-warning{color:var(--color-warning);background:#d977061a}.badge-xp{color:#fff;background:linear-gradient(135deg,#f59e0b,#f97316)}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-md);min-height:48px;font-weight:600;font-size:var(--font-size-base);cursor:pointer;transition:all var(--transition-fast);border:2px solid #0000;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:var(--text-on-primary);border-radius:var(--radius-full)}.btn-primary:hover:not(:disabled){background:var(--color-primary-light);box-shadow:0 4px 14px #1e60914d}.btn-secondary{color:var(--color-primary);border-color:var(--border-default);border-radius:var(--radius-full);background:0 0}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary)}.input{width:100%;padding:var(--space-3) var(--space-4);border:2px solid var(--border-default);border-radius:var(--radius-md);min-height:48px;font-size:var(--font-size-base);font-family:var(--font-body);background:var(--bg-elevated);color:var(--text-primary);transition:border-color var(--transition-fast), box-shadow var(--transition-fast)}.input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #1e609126}.input::placeholder{color:var(--text-muted)}.label{margin-bottom:var(--space-2);color:var(--text-primary);font-weight:600;display:block}.alert{padding:var(--space-4);border-radius:var(--radius-md);align-items:flex-start;gap:var(--space-3);display:flex}.alert-error{color:var(--color-error);background:#fef2f2;border:1px solid #fecaca}.alert-success{color:var(--color-success);background:#f0fdf4;border:1px solid #bbf7d0}.alert-info{color:var(--color-info);background:#eff6ff;border:1px solid #bfdbfe}[data-theme=dark] .alert-error{background:#1c0f0f;border-color:#5c2020}[data-theme=dark] .alert-success{background:#0f1c14;border-color:#1c5c3a}[data-theme=dark] .alert-info{background:#0f1520;border-color:#1c3a5c}.error-message{color:var(--color-error);margin-top:var(--space-1);align-items:center;gap:var(--space-2);font-size:.875rem;display:flex}.reading-ruler{pointer-events:none;z-index:9999;background:#1e60910f;height:3rem;transition:top 50ms linear;position:fixed;left:0;right:0}.skip-link{z-index:99999;padding:var(--space-3) var(--space-6);background:var(--color-primary);color:var(--text-on-primary);border-radius:0 0 var(--radius-md) var(--radius-md);font-weight:600;text-decoration:none;position:absolute;left:-9999px}.skip-link:focus{left:var(--space-4);top:0}@keyframes spin{to{transform:rotate(360deg)}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}