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0}.upload-section{display:flex;flex-direction:column;gap:40px;max-width:800px;margin:0 auto}.welcome-text{text-align:center}.welcome-text h2{font-size:2.5rem;margin-bottom:12px;background:linear-gradient(135deg,var(--text-primary),var(--accent-primary),var(--accent-tertiary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-text p{font-size:1.1rem;color:var(--text-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.feature-card{padding:28px;text-align:center}.feature-icon{color:var(--accent-primary);margin-bottom:16px}.feature-card h3{font-size:1.1rem;margin-bottom:8px}.feature-card p{font-size:.9rem;color:var(--text-muted)}.dashboard{display:flex;flex-direction:column;gap:24px}.tab-nav{display:flex;gap:8px;padding:8px;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);border:1px solid var(--border-glass);width:fit-content}.tab-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);font-size:.95rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.tab-btn:hover{color:var(--text-primary);background:var(--bg-secondary)}.tab-btn.active{color:#fff;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));box-shadow:var(--shadow-glow)}.error-banner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#ef444426;border:1px solid var(--error);border-radius:var(--radius-md);color:var(--error)}.error-banner button{background:none;border:none;color:var(--error);font-size:1.5rem;cursor:pointer;line-height:1}.tab-content{min-height:400px}.stats-tab{display:flex;flex-direction:column;gap:32px}.stats-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}@media(max-width:1024px){.stats-row{grid-template-columns:1fr}}.app-footer{padding:24px 0;text-align:center;border-top:1px solid var(--border-glass)}.app-footer p{font-size:.85rem;color:var(--text-muted)}@media(max-width:768px){.header-content{flex-direction:column;align-items:flex-start}.header-info{width:100%;flex-wrap:wrap}.welcome-text h2{font-size:2rem}.tab-nav{width:100%;overflow-x:auto}.tab-btn{flex:1;justify-content:center;padding:10px 16px}}