/* subscribe-form.css - 使用自定义样式 */
/* 基础变量 - 便于自定义 */
:root {
    --subscribe-primary: #3b82f6;
    --subscribe-success: #10b981;
    --subscribe-error: #ef4444;
    --subscribe-text: #374151;
    --subscribe-bg: #ffffff;
    --subscribe-border: #e5e7eb;
    --subscribe-radius: 8px;
    --subscribe-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* 订阅组件容器 */
.subscribe-widget {
    background: var(--subscribe-bg);
    border: 1px solid var(--subscribe-border);
    border-radius: var(--subscribe-radius);
    padding: 24px;
    margin: 16px 0;
    box-shadow: var(--subscribe-shadow);
}

/* 标题区域 */
.subscribe-header {
    text-align: center;
    margin-bottom: 20px;
}

.subscribe-header h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--subscribe-text);
}

.subscribe-header p {
    margin: 0;
    font-size: 14px;
    color: #6b7280;
}

/* 表单样式 */
.subscribe-form {
    /* 基础表单容器 */
}

.subscribe-form .form-group {
    margin-bottom: 12px;
}

.subscribe-form label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--subscribe-text);
}

.subscribe-form input,
.subscribe-form select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--subscribe-border);
    border-radius: var(--subscribe-radius);
    font-size: 14px;
    color: var(--subscribe-text);
    background: var(--subscribe-bg);
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.subscribe-form input:focus,
.subscribe-form select:focus {
    outline: none;
    border-color: var(--subscribe-primary);
}

/* 多选下拉框样式 */
.subscribe-multi-select {
    min-height: 60px;
    max-height: 120px;
}

.subscribe-multi-select option {
    padding: 4px 8px;
    color: var(--subscribe-text);
}

.subscribe-multi-select option:checked {
    background: var(--subscribe-primary);
    color: white;
}

.subscribe-form button {
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-radius: var(--subscribe-radius);
    background: var(--subscribe-primary);
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.subscribe-form button:hover {
    background: #2563eb;
}

.subscribe-form button:disabled {
    background: #9ca3af;
    cursor: not-allowed;
}

/* 底部文字 */
.subscribe-footer {
    text-align: center;
    margin-top: 12px;
}

.subscribe-footer small {
    font-size: 12px;
    color: #6b7280;
}

/* 消息提示 */
.subscribe-message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 16px;
    border-radius: var(--subscribe-radius);
    font-size: 14px;
    font-weight: 500;
    z-index: 9999;
    box-shadow: var(--subscribe-shadow);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.subscribe-message.success {
    background: var(--subscribe-success);
    color: white;
}

.subscribe-message.error {
    background: var(--subscribe-error);
    color: white;
}

.subscribe-message.info {
    background: var(--subscribe-primary);
    color: white;
}

/* 模态框 */
.subscribe-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.subscribe-modal-content {
    background: var(--subscribe-bg);
    border-radius: var(--subscribe-radius);
    max-width: 450px;
    width: 100%;
    position: relative;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    max-height: 90vh;
    overflow-y: auto;
}

.subscribe-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 18px;
    color: #6b7280;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.subscribe-modal-close:hover {
    color: var(--subscribe-text);
}

/* 隐藏字段 */
.subscribe-form input[type="hidden"] {
    display: none;
}

/* 响应式 */
@media (max-width: 768px) {
    .subscribe-widget {
        margin: 12px;
        padding: 20px;
    }
    
    .subscribe-message {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .subscribe-modal {
        padding: 12px;
    }
    
    .subscribe-modal-content {
        max-width: none;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .subscribe-form input,
    .subscribe-form select {
        border-width: 2px;
    }
    
    .subscribe-form button {
        border: 2px solid var(--subscribe-primary);
    }
}

/* 暗色主题支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --subscribe-text: #f3f4f6;
        --subscribe-bg: #1f2937;
        --subscribe-border: #374151;
    }
    
    .subscribe-widget {
        background: var(--subscribe-bg);
        color: var(--subscribe-text);
    }
    
    .subscribe-form input,
    .subscribe-form select {
        background: #374151;
        color: var(--subscribe-text);
        border-color: #4b5563;
    }
}