/* Inter Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #4F46E5;
    --secondary-color: #10B981;
    --background-color: #F9FAFB;
    --surface-color: #FFFFFF;
    --text-color: #111827;
    --text-muted-color: #6B7281;
    --border-radius-sm: 0.375rem;
    --border-radius-lg: 0.5rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

.navbar {
    border-bottom: 1px solid #E5E7EB;
}

.main-content {
    min-height: calc(100vh - 100px);
}

.upload-section, .review-section {
    max-width: 900px;
    margin: auto;
}

.drop-zone {
    border: 2px dashed #D1D5DB;
    border-radius: var(--border-radius-lg);
    padding: 4rem;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

.drop-zone.is-dragover {
    background-color: #E0E7FF;
    border-color: var(--primary-color);
}

.drop-zone-icon {
    width: 48px;
    height: 48px;
    color: #9CA3AF;
    margin: 0 auto 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}
.btn-primary:hover {
    background-color: #4338CA;
    border-color: #4338CA;
}
.btn-light {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    color: var(--primary-color);
}

.review-card {
    background-color: var(--surface-color);
    border: 1px solid #E5E7EB;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.document-preview {
    background-color: #F3F4F6;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted-color);
}
.form-label {
    font-weight: 500;
}
.form-control {
    border-radius: var(--border-radius-sm);
}