*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{letter-spacing:-.011em}.app{flex-direction:column;min-height:100vh;display:flex}.app-layout{width:100%;min-height:100vh;display:flex}.main-content{flex-direction:column;flex:1;min-width:0;max-height:100vh;padding:1.5rem;display:flex;position:relative;overflow-y:auto}@media (max-width:768px){.main-content{padding:4.5rem 1rem 1.5rem}}.app-footer{color:var(--text-muted);background:var(--bg-card);border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:1rem;width:100%;margin-top:auto;padding:.75rem 1.5rem;font-size:.75rem;display:flex}.footer-right{align-items:center;gap:1.5rem;display:flex}.footer-actions{align-items:center;gap:.5rem;display:flex}.footer-btn{color:var(--text-muted);border-radius:var(--radius-full);cursor:pointer;width:32px;height:32px;transition:all var(--transition-base);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:0;font-size:.9rem;display:flex}.footer-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-strong);transform:translateY(-1px)}.donation-btn:hover{color:#f43f5e;background:#f43f5e14;border-color:#f43f5e33}.author-btn:hover{color:#3b82f6;background:#3b82f614;border-color:#3b82f633}input,select,button{font-family:inherit}:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px}::selection{color:#fff;background:#6366f14d}@media (max-width:600px){.app-footer{text-align:center;flex-direction:column;gap:.5rem;padding:.75rem 1rem}.footer-right{flex-direction:row-reverse;gap:1rem}.version-text{font-size:.7rem}}.error-screen-container{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.error-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);text-align:center;width:100%;max-width:480px;padding:3.5rem 2.5rem;animation:.6s cubic-bezier(.16,1,.3,1) errorCardFadeIn;box-shadow:0 25px 50px -12px #00000080}.error-card-icon{background:rgba(var(--color-brand-rgb), .1);width:88px;height:88px;color:var(--color-brand);border-radius:var(--radius-full);justify-content:center;align-items:center;margin:0 auto 2rem;font-size:2.5rem;display:flex}.error-card h2{font-size:var(--text-3xl);color:var(--text-primary);letter-spacing:-.02em;margin-bottom:1rem;font-weight:800}.error-card p{color:var(--text-secondary);line-height:1.6;font-size:var(--text-md);margin-bottom:2.5rem}.error-card .btn-primary{background:var(--color-brand);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.75rem;width:100%;padding:1rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.error-card .btn-primary:hover{background:var(--color-brand-hover);box-shadow:0 10px 25px rgba(var(--color-brand-rgb), .4);transform:translateY(-2px)}@keyframes errorCardFadeIn{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}