:root { --787-green: #2ecc71; --787-dark: #131921; --787-blue: #3498db; --787-gold: #f39c12; }
body { font-family: 'Segoe UI', sans-serif; margin: 0; background: #f4f7f6; color: var(--787-dark); }
.header { background: #fff; padding: 20px; border-bottom: 2px solid var(--787-green); display: flex; justify-content: space-between; align-items: center; }
.card { background: #fff; padding: 25px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); margin-bottom: 15px; border: 1px solid #eee; }
.btn-main { background: var(--787-green); color: #fff; padding: 18px; border-radius: 15px; text-decoration: none; display: block; text-align: center; font-weight: 900; border: none; cursor: pointer; width: 100%; box-sizing: border-box; }
.stat-box { background: var(--787-dark); color: #fff; padding: 20px; border-radius: 20px; flex: 1; min-width: 120px; }