:root{font-family:sans-serif}*{-webkit-tap-highlight-color:transparent}body{margin:0;min-width:320px;min-height:100vh}@media(min-width:481px){body{display:flex;justify-content:center;align-items:flex-start;background-color:#f5f5f5}}h1{font-size:3.2em;line-height:1.1}#root{width:100%;min-height:100vh;box-sizing:border-box;padding:24px}@media(min-width:481px){#root{background-color:#fff;max-width:480px;margin:0 auto}}.app{display:flex;flex-direction:column}.app-header{display:flex;flex-direction:column;gap:8px;padding:24px 0 8px}.page-title{margin:0;font-size:24px;font-weight:700;color:#333d4b}.page-subtitle{margin:0;font-size:16px;color:#8b95a1}.loading{padding:48px 0;text-align:center;font-size:16px;color:#8b95a1}.streak-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:40px 0 32px}.streak-flame{font-size:40px;line-height:1}.streak-number{font-size:88px;font-weight:800;line-height:1;color:#e0b20c;font-variant-numeric:tabular-nums}.streak-unit{font-size:18px;color:#4e5968}.app-actions{display:flex;flex-direction:column;gap:12px;padding:8px 0}.app-button{width:100%;border:none;border-radius:16px;padding:20px;font-size:18px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;box-sizing:border-box}.app-button:active{transform:scale(.97);transition:transform .1s ease}.app-button:disabled{opacity:.6;cursor:default}.app-button-success{background-color:#e7f9f1;color:#10b981}.app-button-success-on{background-color:#10b981;color:#fff}.app-button-spent{background-color:#f2f4f6;color:#4e5968}.app-button-spent-on{background-color:#4e5968;color:#fff}.today-hint{margin:0;padding-top:16px;text-align:center;font-size:15px;color:#8b95a1}.heatmap{padding-top:32px}.section-title{margin:0 0 12px;font-size:15px;font-weight:600;color:#4e5968}.heatmap-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.heatmap-weekday{text-align:center;font-size:12px;color:#8b95a1;padding-bottom:2px}.heat-cell{aspect-ratio:1 / 1;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#adb5bd;box-sizing:border-box}.heat-blank{background:transparent}.heat-none{background-color:#f2f4f6}.heat-no_spend{background-color:#10b981;color:#fff}.heat-spent{background-color:#d1d6db;color:#4e5968}.heat-today{outline:2px solid #e0b20c;outline-offset:1px;font-weight:700}.heatmap-legend{display:flex;gap:16px;justify-content:center;padding-top:16px;font-size:13px;color:#8b95a1}.heatmap-legend span{display:inline-flex;align-items:center;gap:6px}.legend-dot{width:12px;height:12px;border-radius:4px;display:inline-block}.stats{display:flex;gap:12px;padding:32px 0 16px}.stat{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 8px;background-color:#f9fafb;border-radius:16px}.stat-num{font-size:28px;font-weight:700;color:#333d4b;font-variant-numeric:tabular-nums}.stat-label{font-size:13px;color:#8b95a1}.onboarding{min-height:calc(100vh - 48px);justify-content:space-between}.onboarding-hero{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px}.onboarding-flame{font-size:72px;line-height:1}.onboarding-title{margin:0;font-size:28px;font-weight:800;color:#333d4b}.onboarding-desc{margin:0;font-size:17px;line-height:1.5;color:#4e5968}.onboarding-start{margin-bottom:8px}