/* Payment Modal Styles */
.payment-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 11, 30, 0.9);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
}

.payment-modal-content {
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.95), rgba(15, 25, 45, 0.95));
    border: 1px solid rgba(0, 229, 255, 0.3);
    border-radius: 20px;
    width: 90%;
    max-width: 480px;
    box-shadow: 0 25px 60px rgba(0, 229, 255, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.payment-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.payment-modal-header h3 {
    color: #00E5FF;
    font-size: 1.2rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-modal {
    background: none;
    border: none;
    color: #b0c4de;
    font-size: 1.8rem;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.close-modal:hover {
    color: #ff7a7a;
}

.payment-modal-body {
    padding: 24px;
}

/* Order Summary */
.order-summary {
    background: rgba(10, 25, 41, 0.6);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 14px;
    padding: 16px 20px;
    margin-bottom: 20px;
}

.order-summary h4 {
    color: #b0c4de;
    font-size: 0.85rem;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.order-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.order-details span:first-child {
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
}

.order-price {
    color: #00E5FF;
    font-weight: 900;
    font-size: 1.3rem;
}

/* Payment Methods */
.payment-methods h4 {
    color: #b0c4de;
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.payment-options {
    display: grid;
    gap: 12px;
}

.pay-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    background: rgba(10, 25, 41, 0.5);
    border: 2px solid rgba(0, 229, 255, 0.15);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pay-card:hover {
    border-color: rgba(0, 229, 255, 0.35);
    background: rgba(0, 229, 255, 0.08);
}

.pay-card.selected {
    border-color: #00E5FF;
    background: rgba(0, 229, 255, 0.12);
}

.pay-card.selected .pay-check {
    opacity: 1;
    color: #00E5FF;
}

.pay-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.pay-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pay-name {
    color: #ffffff;
    font-weight: 800;
    font-size: 1rem;
}

.pay-desc {
    color: #b0c4de;
    font-size: 0.8rem;
    margin-top: 2px;
}

.pay-check {
    opacity: 0.3;
    font-size: 1.2rem;
    transition: all 0.2s;
}

/* QR Section */
.qr-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 229, 255, 0.15);
}

.qr-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 16px;
}

.qr-container img {
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.qr-instruction {
    color: #333;
    margin-top: 14px;
    font-size: 0.95rem;
    font-weight: 500;
}

.qr-instruction span {
    color: #00E5FF;
    font-weight: 800;
}

.qr-timer {
    color: #666;
    font-size: 0.85rem;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.qr-timer i {
    color: #ff9800;
}

.payment-status {
    text-align: center;
}

.status-pending {
    color: #b0c4de;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
}

.status-success {
    color: #00ff88;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    animation: successPulse 0.5s ease;
}

.status-failed {
    color: #ff7a7a;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
}

@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Modal Footer */
.payment-modal-footer {
    display: flex;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid rgba(0, 229, 255, 0.15);
}

.pay-confirm-btn {
    flex: 1;
    height: 50px;
    background: linear-gradient(45deg, #00E5FF, #0099CC);
    border: none;
    border-radius: 12px;
    color: #0a1929;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pay-confirm-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

.pay-confirm-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.pay-cancel-btn {
    height: 50px;
    padding: 0 24px;
    background: transparent;
    border: 1px solid rgba(255, 68, 68, 0.4);
    border-radius: 12px;
    color: #ff7a7a;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pay-cancel-btn:hover {
    background: rgba(255, 68, 68, 0.1);
}

/* CNY Pricing Card Styles */
.vpn-pricing-grid.cny-pricing {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.vpn-pricing-grid.cny-pricing .vpn-price-card {
    background: rgba(31, 41, 55, 0.85);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 18px;
    padding: 28px;
    position: relative;
    transition: all 0.3s ease;
}

.vpn-pricing-grid.cny-pricing .vpn-price-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 229, 255, 0.15);
    border-color: rgba(0, 229, 255, 0.35);
}

.vpn-pricing-grid.cny-pricing .vpn-price-card.featured {
    border-color: rgba(0, 229, 255, 0.5);
    box-shadow: 0 20px 50px rgba(0, 229, 255, 0.2);
}

.plan-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.plan-icon {
    font-size: 1.5rem;
}

.fire-icon {
    font-size: 1.2rem;
    margin-left: auto;
}

.vpn-pricing-grid.cny-pricing .vpn-price-card h3 {
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 800;
    margin: 0;
}

.vpn-pricing-grid.cny-pricing .vpn-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin: 20px 0;
}

.vpn-pricing-grid.cny-pricing .vpn-price .currency {
    color: #00E5FF;
    font-size: 1.5rem;
    font-weight: 700;
}

.vpn-pricing-grid.cny-pricing .vpn-price {
    color: #00E5FF;
    font-size: 2.2rem;
    font-weight: 900;
}

.vpn-pricing-grid.cny-pricing .vpn-price .period {
    color: #b0c4de;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 4px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    color: #b0c4de;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(0, 229, 255, 0.08);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features li i {
    color: #00E5FF;
    width: 18px;
    margin-top: 2px;
}

.plan-features .badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
}

.badge.student {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}

.badge.recommend {
    background: rgba(255, 152, 0, 0.15);
    color: #ff9800;
}

.badge.regular,
.badge.standard,
.badge.premium-price {
    background: rgba(233, 30, 99, 0.15);
    color: #e91e63;
}

.badge.high-bw {
    background: rgba(0, 229, 255, 0.15);
    color: #00E5FF;
}

.badge.premium {
    background: rgba(156, 39, 176, 0.15);
    color: #9c27b0;
}

.no-share {
    font-size: 1rem;
    color: #ff7a7a;
}

.tutorial-link,
.telegram-link {
    color: #00E5FF;
    text-decoration: none;
    font-weight: 700;
}

.tutorial-link:hover,
.telegram-link:hover {
    text-decoration: underline;
}

.subscribe-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 48px;
    background: linear-gradient(45deg, #00E5FF, #0099CC);
    border: none;
    border-radius: 12px;
    color: #0a1929;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.subscribe-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.35);
}

@media (max-width: 768px) {
    .payment-modal-content {
        width: 95%;
        margin: 20px;
        padding: 25px 20px;
    }
    
    .payment-modal-header {
        font-size: 1.5rem;
    }
    
    .vpn-pricing-grid.cny-pricing {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .pricing-plan {
        padding: 20px 15px;
    }
    
    .plan-name {
        font-size: 1.1rem;
    }
    
    .plan-price {
        font-size: 1.8rem;
    }
    
    .plan-features {
        gap: 8px;
    }
    
    .payment-item {
        padding: 12px 14px;
    }
}

@media (max-width: 480px) {
    .payment-modal-content {
        width: 98%;
        margin: 10px;
        padding: 20px 15px;
    }
    
    .payment-modal-header {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .vpn-pricing-grid.cny-pricing {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .pricing-plan {
        padding: 15px 12px;
    }
    
    .plan-name {
        font-size: 1rem;
    }
    
    .plan-price {
        font-size: 1.5rem;
    }
    
    .plan-features {
        font-size: 0.85rem;
        gap: 6px;
    }
    
    .plan-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .payment-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .payment-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .payment-item {
        padding: 10px 12px;
    }
}

@media (max-width: 375px) {
    .payment-modal-content {
        width: 99%;
        margin: 5px;
        padding: 15px 12px;
    }
    
    .payment-modal-header {
        font-size: 1.2rem;
    }
    
    .pricing-plan {
        padding: 12px 10px;
    }
    
    .plan-name {
        font-size: 0.95rem;
    }
    
    .plan-price {
        font-size: 1.3rem;
    }
    
    .plan-features {
        font-size: 0.8rem;
    }
}

/* Payment History Styles */
.payment-history {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.payment-item {
    background: rgba(10, 25, 41, 0.5);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 12px;
    padding: 14px 16px;
    transition: all 0.2s ease;
}

.payment-item:hover {
    border-color: rgba(0, 229, 255, 0.3);
    background: rgba(0, 229, 255, 0.05);
}

.payment-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.payment-plan {
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
}

.payment-method {
    color: #b0c4de;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.payment-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.payment-amount {
    color: #00E5FF;
    font-weight: 900;
    font-size: 1.1rem;
}

.payment-status {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
}

.payment-status.paid {
    background: rgba(0, 255, 136, 0.15);
    color: #00ff88;
}

.payment-status.pending {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}

.payment-status.failed {
    background: rgba(255, 68, 68, 0.15);
    color: #ff7a7a;
}

.payment-date {
    color: #8a9bb0;
    font-size: 0.75rem;
}

/* Simulate Payment Button (Testing Only) */
.simulate-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed rgba(255, 193, 7, 0.3);
    text-align: center;
}

.simulate-hint {
    color: #ffc107;
    font-size: 0.8rem;
    margin-bottom: 10px;
    font-style: italic;
}

.simulate-btn {
    background: linear-gradient(45deg, #ffc107, #ff9800);
    border: none;
    border-radius: 10px;
    padding: 12px 24px;
    color: #0a1929;
    font-weight: 800;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.simulate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 193, 7, 0.3);
}

.simulate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}