* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Vazir', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.logo h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.logo p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
}

.page {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Home Page */
.welcome-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.welcome-section h2 {
    color: #333;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.welcome-section p {
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Payment Form */
.payment-form-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.payment-form-container h2 {
    color: #333;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.payment-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: #333;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
}

.card-details {
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 1.5rem;
    background: rgba(102, 126, 234, 0.05);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* History Page */
.history-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.history-container h2 {
    color: #333;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.history-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-input {
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: inherit;
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.transaction-item {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #667eea;
}

.transaction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.transaction-amount {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
}

.transaction-status {
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.status-success {
    background: #d4edda;
    color: #155724;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-failed {
    background: #f8d7da;
    color: #721c24;
}

.transaction-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    color: #666;
}

/* Confirmation Page */
.confirmation-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.confirmation-container h2 {
    color: #28a745;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.payment-details {
    background: rgba(40, 167, 69, 0.1);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    text-align: right;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.detail-row:last-child {
    border-bottom: none;
}

.confirmation-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay p {
    color: white;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.1);
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0;
    }
    
    .header {
        padding: 1rem;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .welcome-section {
        padding: 2rem 1rem;
    }
    
    .welcome-section h2 {
        font-size: 2rem;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .payment-form-container,
    .history-container,
    .confirmation-container {
        padding: 2rem 1rem;
        margin: 0 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .history-filters {
        flex-direction: column;
    }
    
    .filter-input {
        width: 100%;
    }
    
    .transaction-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .transaction-details {
        grid-template-columns: 1fr;
    }
    
    .confirmation-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .welcome-section h2 {
        font-size: 1.8rem;
    }
    
    .payment-form-container h2,
    .history-container h2,
    .confirmation-container h2 {
        font-size: 1.5rem;
    }
}