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h3{font-size:1.25rem;font-weight:600;color:#1f2937;margin:0}.modal-close{background:none;border:none;font-size:1.5rem;color:#6b7280;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s ease}.modal-close:hover{background:#f3f4f6;color:#374151}.modal-content{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:1rem;padding:1.5rem;border-top:1px solid #e5e7eb}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-size:.875rem;font-weight:500;color:#374151;margin-bottom:.5rem}.form-input{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:.875rem;background:#fff;transition:all .2s ease}.form-input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.form-input::placeholder{color:#9ca3af}textarea.form-input{resize:vertical;min-height:80px}.success-message,.error-message{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;margin-bottom:1.5rem;border-radius:8px;font-weight:500}.success-message{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.error-message{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.success-message button,.error-message button{background:none;border:none;font-size:1.25rem;cursor:pointer;padding:0;margin-left:1rem;opacity:.7}.success-message button:hover,.error-message button:hover{opacity:1}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center}.loading-spinner{width:40px;height:40px;border:4px solid #f3f4f6;border-top:4px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center;padding:2rem}.error-container h2{color:#ef4444;margin-bottom:1rem}.error-container p{color:#6b7280;margin-bottom:1.5rem}.error-actions{display:flex;gap:1rem;justify-content:center}@media (max-width: 1024px){.summary-cards{grid-template-columns:repeat(2,1fr)}.credits-grid{grid-template-columns:1fr}.packages-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}@media (max-width: 768px){.payments-header{flex-direction:column;gap:1rem;align-items:flex-start}.header-actions{width:100%;justify-content:flex-start}.summary-cards{grid-template-columns:1fr}.section-header{flex-direction:column;align-items:flex-start}.filters{width:100%;flex-direction:column}.search-input,.filter-select{width:100%;min-width:auto}.data-table{font-size:.75rem}.data-table th,.data-table td{padding:.75rem .5rem}.credit-stats{grid-template-columns:1fr}.package-actions{flex-direction:column}.modal{margin:1rem;max-width:none}}@media (max-width: 480px){.payments-header{padding:1rem}.header-content h1{font-size:1.5rem}.payments-tabs{padding:.25rem}.tab{padding:.5rem 1rem;font-size:.75rem}.summary-card{padding:1rem}.card-icon{width:50px;height:50px;font-size:1.5rem}.card-value{font-size:1.5rem}.credit-card,.package-card,.modal-header,.modal-content,.modal-footer{padding:1rem}}