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h1{font-size:1.5rem;margin-bottom:.25rem}.app-title p{font-size:.9rem;opacity:.9}.main-content{flex:1;padding:2rem;overflow-y:auto}.pwa-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:3rem}.feature-card{background:linear-gradient(135deg,#f3f4f6,#e5e7eb);padding:1.5rem;border-radius:var(--radius);transition:var(--transition);border:1px solid #e5e7eb}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.feature-card h3{color:var(--primary-color);margin-bottom:.5rem;font-size:1.1rem}.feature-card p{color:var(--text-light);font-size:.9rem}.footer{background:#f8f9fa;padding:1.5rem;text-align:center;border-top:1px solid #e5e7eb;margin-top:auto}.footer p{color:var(--text-light);font-size:.9rem;margin-bottom:1rem}.pwa-instructions{max-width:500px;margin:0 auto}.pwa-instructions details{background:#fff;border-radius:var(--radius);padding:1rem;border:1px solid #e5e7eb}.pwa-instructions summary{font-weight:600;color:var(--primary-color);cursor:pointer;padding:.5rem}.pwa-instructions ul{text-align:left;margin-top:1rem;padding-left:1.5rem}.pwa-instructions li{margin-bottom:.5rem;font-size:.9rem;color:var(--text-light)}@media(max-width:768px){.status-bar{flex-direction:column;text-align:center}.main-content{padding:1rem}.pwa-features{grid-template-columns:1fr}}@media(display-mode:standalone){.status-bar{padding-top:calc(1rem + env(safe-area-inset-top))}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #667eea;--secondary-color: #764ba2;--text-color: #333;--text-light: #666;--bg-color: #f8f9fa;--card-bg: white;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--radius: 12px;--transition: all .3s ease}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 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