/* =====================================================
   家有灵犀 · forms.css
   表单元素样式
   ===================================================== */

/* ---------- 表单组 ---------- */
.form-group {
    margin-bottom: var(--space-4);
}

.form-row {
    display: flex;
    gap: var(--space-4);
}

.form-row .form-group {
    flex: 1;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-hint {
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-top: var(--space-1);
}

.form-error {
    font-size: 12px;
    color: var(--color-danger);
    margin-top: var(--space-1);
}

/* ---------- 输入框 ---------- */
.input,
.select,
.textarea {
    width: 100%;
    padding: 9px 14px;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.input:hover,
.select:hover,
.textarea:hover {
    border-color: var(--color-primary-light);
}

.input:focus,
.select:focus,
.textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.12);
}

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

.textarea {
    min-height: 80px;
    resize: vertical;
    line-height: 1.5;
}

.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 12px center;
    padding-right: 38px;
    cursor: pointer;
}

/* 带图标的输入框 */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group .input-icon {
    position: absolute;
    left: 14px;
    color: var(--color-text-tertiary);
    font-size: 18px;
    pointer-events: none;
}

.input-group .input {
    padding-left: 44px;
}

/* 搜索框 */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
    min-width: 240px;
}

.search-box .search-icon {
    position: absolute;
    left: 12px;
    color: var(--color-text-tertiary);
    font-size: 18px;
    pointer-events: none;
}

.search-box .input {
    padding-left: 40px;
    border-radius: var(--radius-full);
    background: var(--color-bg-alt);
    border-color: transparent;
}

.search-box .input:focus {
    background: var(--color-surface);
    border-color: var(--color-primary);
}

/* ---------- 复选框/单选 ---------- */
.checkbox,
.radio {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: 14px;
    user-select: none;
}

.checkbox input[type="checkbox"],
.radio input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* ---------- 开关 ---------- */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    inset: 0;
    background: var(--color-border);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
}

.switch-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: #FFFFFF;
    border-radius: 50%;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.switch input:checked + .switch-slider {
    background: var(--color-primary);
}

.switch input:checked + .switch-slider::before {
    transform: translateX(20px);
}

/* ---------- 表单卡片（登录等） ---------- */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-form .input {
    padding: 12px 16px;
    font-size: 15px;
}

/* 登录页带图标输入框：强制保留左侧内边距，避免输入文字与图标重叠 */
.auth-form .input-group .input {
    padding-left: 44px;
}

/* ---------- 文件上传 ---------- */
.file-upload {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-secondary);
}

.file-upload:hover {
    border-color: var(--color-primary-light);
    background: var(--color-primary-lighter);
}

.file-upload input[type="file"] {
    display: none;
}