/* 全局表单组件样式 */

/* 表单容器 */
.form {
    width: 100%;
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    background-color: var(--color-neutral-bg);
    box-sizing: border-box;
}

/* 内联表单 */
.form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    align-items: flex-end;
    padding: var(--spacing-4);
}

/* 表单项容器 */
.form-item {
    margin-bottom: var(--spacing-4);
    width: 100%;
}

/* 内联表单项 */
.form-inline .form-item {
    margin-bottom: 0;
    flex: 1 1 auto;
    min-width: 200px;
    max-width: 300px;
}

/* 表单标签 */
.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-title);
    line-height: 1.4;
}

.form-label.required::after {
    content: "*";
    color: var(--color-error);
    margin-left: var(--spacing-1);
}

/* 标签位置 */
.form-label-left .form-label {
    text-align: left;
}

.form-label-right .form-label {
    text-align: right;
}

.form-label-top .form-label {
    margin-bottom: var(--spacing-2);
}

/* 表单控件容器 */
.form-control {
    position: relative;
    width: 100%;
}

/* 基础输入控件 */
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-neutral-border);
    border-radius: var(--radius-base);
    background-color: var(--color-neutral-bg);
    color: var(--color-neutral-text);
    font-size: var(--font-size-base);
    line-height: 1.5;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

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

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-neutral-text-tertiary);
}

/* 禁用状态 */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background-color: var(--color-neutral-bg-disabled);
    color: var(--color-neutral-text-disabled);
    cursor: not-allowed;
    border-color: var(--color-neutral-border-secondary);
}

/* 错误状态 */
.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--color-error);
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
    border-color: var(--color-error);
    box-shadow: var(--shadow-focus-error);
}

/* 文本域 */
.form-textarea {
    min-height: 80px;
    resize: vertical;
    line-height: 1.5;
}

/* 下拉选择 */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-3) center;
    background-size: 16px;
    padding-right: var(--spacing-10);
}

/* 错误提示信息 */
.form-error {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-error);
    line-height: 1.4;
    min-height: 20px;
}

/* 帮助文本 */
.form-help {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-neutral-text-tertiary);
    line-height: 1.4;
}

/* 表单组（多个相关字段） */
.form-group {
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-neutral-border-secondary);
}

.form-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form-group-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-title);
    margin-bottom: var(--spacing-4);
}

/* 复选框和单选框组 */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.checkbox-group-inline,
.radio-group-inline {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

/* 单个复选框和单选框 */
.checkbox-item,
.radio-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    user-select: none;
}

.checkbox-input,
.radio-input {
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
}

.checkbox-label,
.radio-label {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-text);
    cursor: pointer;
}

/* 自定义复选框 */
.custom-checkbox {
    position: relative;
    width: 16px;
    height: 16px;
}

.custom-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    margin: 0;
    z-index: 1;
}

.custom-checkbox__indicator {
    width: 16px;
    height: 16px;
    border: 1px solid var(--color-neutral-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-neutral-bg);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-checkbox input[type="checkbox"]:checked + .custom-checkbox__indicator {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.custom-checkbox input[type="checkbox"]:checked + .custom-checkbox__indicator::after {
    content: '';
    width: 8px;
    height: 5px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg) translate(0, -1px);
}

/* 自定义单选框 */
.custom-radio {
    position: relative;
    width: 16px;
    height: 16px;
}

.custom-radio input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    margin: 0;
    z-index: 1;
}

.custom-radio__indicator {
    width: 16px;
    height: 16px;
    border: 1px solid var(--color-neutral-border);
    border-radius: 50%;
    background-color: var(--color-neutral-bg);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-radio input[type="radio"]:checked + .custom-radio__indicator {
    border-color: var(--color-primary);
}

.custom-radio input[type="radio"]:checked + .custom-radio__indicator::after {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* 表单按钮区域 */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-neutral-border-secondary);
}

.form-inline .form-actions {
    margin-top: var(--spacing-4);
    padding-top: 0;
    border-top: none;
}

/* 紧凑表单 */
.form-compact .form-item {
    margin-bottom: var(--spacing-3);
}

.form-compact .form-input,
.form-compact .form-textarea,
.form-compact .form-select {
    padding: var(--spacing-2) var(--spacing-3);
}

/* 边框表单 */
.form-bordered {
    border: 1px solid var(--color-neutral-border);
    box-shadow: var(--shadow-sm);
}

/* 表单布局 */
.form-layout-horizontal {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .form-layout-horizontal {
        grid-template-columns: 1fr 1fr;
    }
}

.form-layout-2col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .form-layout-2col {
        grid-template-columns: 1fr 1fr;
    }
}

.form-layout-3col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .form-layout-3col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .form-layout-3col {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 全宽字段 */
.form-item-full {
    grid-column: 1 / -1;
}

/* 表单提示区域 */
.form-hint {
    display: block;
    margin-top: var(--spacing-8);
    padding: var(--spacing-4);
    background-color: var(--color-neutral-bg-secondary);
    border-radius: var(--radius-base);
    font-size: var(--font-size-sm);
    color: var(--color-neutral-text-secondary);
    line-height: 1.5;
}

.form-hint-title {
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-title);
    margin-bottom: var(--spacing-2);
}

/* 在原有 form.css 末尾添加以下样式 */

/* 表单中 Select 组件的样式调整 */
.form .select-container {
    width: 100%;
}

.form .select {
    width: 100%;
}

.form .select-selector {
    border: 1px solid var(--color-neutral-border);
    border-radius: var(--radius-base);
    background-color: var(--color-neutral-bg);
    transition: all var(--transition-fast);
    height: auto;
    min-height: var(--input-height-base);
}

.form .select.focus .select-selector {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.form .select.error .select-selector {
    border-color: var(--color-error);
}

.form .select.error.focus .select-selector {
    border-color: var(--color-error);
    box-shadow: var(--shadow-focus-error);
}

.form .select.disabled .select-selector {
    background-color: var(--color-neutral-bg-disabled);
    color: var(--color-neutral-text-disabled);
    cursor: not-allowed;
    border-color: var(--color-neutral-border-secondary);
}

/* 紧凑表单中的 Select 样式 */
.form-compact .select-selector {
    min-height: var(--input-height-sm);
}

/* 内联表单中的 Select 样式 */
.form-inline .select-container {
    min-width: 200px;
    max-width: 300px;
}