body { font-family: sans-serif; max-width: 600px; margin: 0 auto; padding: 20px; background: #f5f5f5; }
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.card { background: #fff; padding: 14px; border-radius: 8px; margin: 8px 0; display: flex; justify-content: space-between; align-items: center; }
.btn { background: #07c160; color: #fff; border: none; padding: 9px 16px; border-radius: 6px; cursor: pointer; }
.btn-outline { background: transparent; border: 1px solid #07c160; color: #07c160; }
input,select { width: 100%; box-sizing: border-box; padding: 10px; margin: 6px 0; border: 1px solid #ddd; border-radius: 6px; }
.tabs { display: flex; border-bottom: 1px solid #ddd; margin:15px 0; }
.tab { flex:1; text-align:center; padding:10px; cursor:pointer; }
.tab.active { border-bottom:2px solid #07c160; color:#07c160; font-weight:bold; }
.hidden { display: none; }
.points-positive { color: green; font-weight:bold; }
.points-negative { color: red; font-weight:bold; }