/* 通用对话框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: modalSlideIn 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.card-modal-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.card-modal-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.card-input {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1.1rem;
    font-family: monospace;
    text-align: center;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.card-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.card-status {
    min-height: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.card-modal-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.purchase-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.purchase-link:hover {
    color: #4f46e5;
    text-decoration: underline;
}

.card-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-color);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
}

.card-modal-close:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.error-message {
    color: #ef4444;
    font-size: 0.9rem;
}

.success-message {
    color: var(--success-color);
    font-size: 0.9rem;
    font-weight: 600;
}

/* 联系客服对话框内容 */
#contactModalContent {
    padding: 1rem 0;
    max-height: 60vh;
    overflow-y: auto;
}

#contactModalContent img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
}

#contactModalContent p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
    white-space: pre-wrap;
}

/* 购买卡密对话框内容 */
#purchaseModalContent {
    padding: 1rem 0;
    max-height: 60vh;
    overflow-y: auto;
}

#purchaseModalContent img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
}

#purchaseModalContent p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
    white-space: pre-wrap;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        padding: 0;
        width: 95%;
    }

    .modal-header {
        padding: 1rem 1.5rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions .btn {
        width: 100%;
    }
}