:root{--bg-dark:#0f1016;--modal-bg:#161823;--glass-border:1px solid rgba(255,255,255,.06);--neon-mint:#55efc4;--action-orange:#f59e0b;--input-bg:#0b0c12}.premium-modal{background:var(--modal-bg);border:var(--glass-border);border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.8);width:95%;max-width:420px;overflow:hidden;display:flex;flex-direction:column;position:relative;animation:slideUp .3s ease-out}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:30px 24px 10px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}.gift-img{width:72px;height:72px;border-radius:16px;border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 20px rgba(0,0,0,.4);object-fit:cover;margin-bottom:16px}.modal-title{font-size:1.4rem;font-weight:800;margin-bottom:4px;letter-spacing:-.5px}.modal-subtitle{font-size:.9rem;color:#a0a0c0;font-weight:500}.close-btn{position:absolute;top:20px;right:20px;color:#4b5563;font-size:1.2rem;cursor:pointer;transition:.2s}.close-btn:hover{color:white}.modal-body{padding:24px}.label-text{font-size:.75rem;font-weight:700;color:#6b7280;margin-bottom:8px;display:block;text-transform:uppercase;letter-spacing:.5px}.input-wrapper{position:relative;margin-bottom:24px}.dark-input{width:100%;background:var(--input-bg);border:1px solid rgba(255,255,255,.05);padding:14px 14px 14px 45px;border-radius:12px;color:#9ca3af;font-size:.95rem;outline:none;cursor:not-allowed}.input-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#4b5563}.check-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--neon-mint)}.amount-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:24px}.amount-radio{display:none}.amount-chip{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05);border-radius:10px;padding:14px 0;text-align:center;font-size:1rem;font-weight:700;color:#cbd5e1;cursor:pointer;transition:all .2s ease}.amount-chip:hover{background:rgba(255,255,255,.08)}.amount-radio:checked + .amount-chip{background:rgba(245,158,11,.1);border-color:var(--action-orange);color:var(--action-orange);box-shadow:0 0 15px rgba(245,158,11,.1)}.summary-box{background:#11121a;border-radius:12px;padding:16px;margin-top:10px;border:1px solid rgba(255,255,255,.03)}.summary-row{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:8px;color:#6b7280}.total-row{display:flex;justify-content:space-between;margin-top:12px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.1);font-size:1rem;font-weight:700;color:white}.highlight-green{color:var(--neon-mint);text-shadow:0 0 10px rgba(85,239,196,.2)}.redeem-btn{width:100%;background:linear-gradient(135deg,#f59e0b 0%,#ea580c 100%);color:white;padding:16px;border-radius:14px;font-weight:700;font-size:1.1rem;text-align:center;box-shadow:0 4px 20px rgba(245,158,11,.3);border:none;cursor:pointer;transition:transform .2s;margin-top:10px}.redeem-btn:hover{transform:scale(1.02)}