:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: 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.75rem;border-radius:20px;font-size:.85rem;font-weight:600}.insight-box{margin-top:1.5rem;padding:1rem;background:linear-gradient(135deg,#667eea,#764ba2);border-left:4px solid #fff;border-radius:8px;color:#fff;font-size:1rem;line-height:1.5}.insight-box strong{color:#fff;font-weight:700}.week-navigation{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;background:#fff;padding:1rem 2rem;border-radius:12px}.week-navigation button{background:transparent;border:none;color:#667eea;cursor:pointer;font-size:1rem;padding:.5rem 1rem;transition:all .2s ease}.week-navigation button:hover{background:#f0f4ff;border-radius:8px}.days-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1rem}.day-card{background:#fff;border-radius:12px;padding:1rem;min-height:200px;box-shadow:0 2px 10px #0000001a;transition:all .3s cubic-bezier(.4,0,.2,1);animation:slideUp .3s ease-out;animation-fill-mode:backwards}.day-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px 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#667eea;font-style:italic}.purchase-modal::-webkit-scrollbar{width:8px}.purchase-modal::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.purchase-modal::-webkit-scrollbar-thumb{background:#888;border-radius:10px}.purchase-modal::-webkit-scrollbar-thumb:hover{background:#555}.skeleton-box{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-day-card{background:#fff;border-radius:12px;padding:1rem;min-height:200px}@media (max-width: 768px){.auth-header{top:1rem;right:1rem}.input-container{padding:1.5rem}.app-title{font-size:1.75rem}.mood-input{font-size:1rem}.days-grid{grid-template-columns:1fr;gap:.75rem}.day-card{min-height:150px}.weekly-summary{padding:1.5rem}.week-navigation{flex-direction:column;gap:1rem}.week-navigation h2{font-size:1.25rem}.chart-card{grid-column:span 1}.purchase-modal{left:20px!important;right:20px!important;width:auto;max-width:none;top:50%!important;transform:translateY(-50%)}}.content{display:flex;width:100vw;justify-content:center;align-items:center;align-content:center}.nessie-sync{margin:1.5rem 0;width:100%}.sync-btn{width:100%;padding:1rem;background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.sync-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #28a7454d}.sync-btn:disabled{opacity:.6;cursor:not-allowed}.sync-result{margin-top:.75rem;padding:1rem;border-radius:8px;font-size:.95rem;font-weight:500}.sync-result.success{background:#d4edda;color:#155724}.sync-result.error{background:#f8d7da;color:#721c24}