:root {
    --primary: #0d6efd;
    --primary-soft: #e7f1ff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #fafbfc;
    color: #1a1a1a;
}

.hero {
    background: linear-gradient(135deg, #ffffff 0%, var(--primary-soft) 100%);
}

.upload-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    background-color: #f8fafc;
    cursor: pointer;
    transition: all 0.2s ease;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background-color: var(--primary-soft);
}

.step-circle {
    width: 60px;
    height: 60px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto;
}

.preset.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.ad-slot {
    border: 1px dashed #cbd5e1;
    min-height: 100px;
}

.card {
    border-radius: 12px;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-soft);
    color: var(--primary);
}