body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; padding: 20px; background: #f0f2f5; color: #333; }
h2,h4 { color: #444; margin-top: 25px; }
input, button, select, textarea { padding: 10px; margin: 5px 0; border: 1px solid #ccc; border-radius: 6px; font-size: 15px; width: 100%; box-sizing: border-box; }
button { background: #007BFF; color: white; cursor: pointer; transition: 0.3s; border: none; }
button:hover { background: #0056b3; }
.card { background: #fff; border-radius: 10px; padding: 15px; margin-top: 15px; box-shadow: 0 2px 6px rgba(0,0,0,0.15); }
#result, #allData, #promoList, #giftList, #managePromoList, #manageGiftList, #allGiftCheckboxes, #allPromoCheckboxes, #newGiftCheckboxes, #newPromoCheckboxes { max-height: 300px; overflow-y: auto; padding: 10px; background: #fafafa; border-radius: 8px; box-shadow: inset 0 1px 3px rgba(0,0,0,0.1); white-space: pre-line; }
.admin-section { display: none; margin-top: 20px; }
.flex { display: flex; gap: 10px; flex-wrap: wrap; }
.flex > * { flex: 1 1 200px; }
label { cursor: pointer; display:block; }
.scroll-box { max-height: 200px; overflow-y: auto; padding: 5px; border: 1px solid #ddd; border-radius: 6px; background: #fff; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 5px; }
.small-btn { padding: 5px 10px; font-size: 13px; border-radius: 5px; margin-left: 5px; background: #dc3545; color: white; border: none; cursor: pointer; transition: 0.2s; }
.small-btn:hover { background: #a71d2a; }
.select-buttons { display:flex; gap:5px; margin-bottom:5px; }