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var(--color-border);border-radius:8px;padding:24px;text-align:center;margin-bottom:20px;cursor:pointer;transition:border-color .2s}.upload-area:hover{border-color:var(--color-brand)}.preview-img{max-width:100%;border-radius:8px;margin-top:10px}@media(max-width:768px){.finance-container{padding:16px}.finance-card{padding:16px;border-radius:12px}.amount-presets{grid-template-columns:repeat(2,1fr)}}.btn-base{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-family-base);font-weight:600;transition:all .2s 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