/* 品牌定位分析表单样式 - 现代化深蓝色主题设计 */

/* CSS变量定义 - 深蓝色主题 */
:root {
    --form-primary: #1E3A8A;
    --form-secondary: #3B82F6;
    --form-accent: #60A5FA;
    --form-light: #EFF6FF;
    --form-border: #DBEAFE;
    --form-text: #1E3A8A;
    --form-text-light: #6B7280;
    --form-bg: #FFFFFF;
    --form-bg-light: #F8FAFC;
    --form-error: #EF4444;
    --form-success: #10B981;
    --form-shadow: 0 2px 8px rgba(30, 58, 138, 0.1);
}

/* 表单容器 */
.store-form {
    max-width: 100%;
    background: var(--form-bg);
    border-radius: 16px;
    box-shadow: var(--form-shadow);
    overflow: hidden;
}

/* 表单区块 - 超紧凑设计 */
.form-section {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--form-light);
    border-radius: 10px;
    border: 2px solid var(--form-border);
    border-left: 4px solid var(--form-primary);
}

.form-section-title {
    color: var(--form-secondary);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid var(--form-primary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* 移除emoji图标，只保留FontAwesome图标 */

/* 表单行 - 超紧凑设计 */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

/* 表单组 - 超紧凑设计 */
.form-group {
    margin-bottom: 0.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--form-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: none;
    letter-spacing: normal;
}

.required {
    color: var(--form-error);
    font-weight: bold;
}

/* 输入框样式 - 超紧凑设计 */
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--form-border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--form-bg);
    color: var(--form-text);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--form-primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
    background: var(--form-bg);
}

input[type="text"]:invalid,
input[type="email"]:invalid,
input[type="tel"]:invalid,
select:invalid {
    border-color: var(--form-error);
}

/* 下拉选择框 */
select {
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234CAF50' 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 1rem center;
    background-size: 1rem;
    padding-right: 3rem;
    appearance: none;
}

/* 文本域 */
textarea {
    resize: vertical;
    min-height: 5rem;
    line-height: 1.5;
}

/* 复选框组 - 超紧凑设计 */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.35rem;
    margin-top: 0.25rem;
    padding: 0.5rem;
    background: var(--form-bg);
    border-radius: 8px;
    border: 1px solid var(--form-border);
}

.checkbox-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: normal !important;
    margin-bottom: 0 !important;
    padding: 0.3rem;
    border-radius: 5px;
    background: var(--form-bg-light);
    border: 1px solid transparent;
}

.checkbox-item:hover {
    background: var(--form-light);
    border-color: var(--form-accent);
}

.checkbox-item input[type="checkbox"] {
    width: auto;
    margin-right: 0.4rem;
    transform: scale(1.1);
    accent-color: var(--form-primary);
}

.checkbox-item span {
    font-size: 0.85rem;
    color: var(--form-text);
    font-weight: 500;
}

/* 价格滑块 - 超紧凑设计 */
.price-range {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: var(--form-bg);
    border-radius: 12px;
    border: 1px solid var(--form-border);
}

input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--form-border);
    outline: none;
    appearance: none;
    margin-bottom: 0.75rem;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--form-primary);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
    border: 3px solid var(--form-bg);
}

input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--form-primary);
    cursor: pointer;
    border: 3px solid var(--form-bg);
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.price-display {
    text-align: center;
    font-weight: 600;
    color: var(--form-primary);
    font-size: 1.1rem;
    background: var(--form-light);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--form-border);
}

/* 错误消息 */
.error-message {
    color: var(--form-error);
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: none;
    padding: 0.5rem;
    background: #FFEBEE;
    border-radius: 6px;
    border-left: 4px solid var(--form-error);
}

.error-message.show {
    display: block;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--form-error);
    background-color: #FFEBEE;
}

/* 表单操作按钮 - 超紧凑设计 */
.form-actions {
    text-align: center;
    margin-top: 1.5rem;
    padding: 1.5rem 1rem;
    background: var(--form-light);
    border-radius: 0 0 16px 16px;
    border-top: 3px solid var(--form-primary);
}

.form-actions .btn {
    min-width: 250px;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem 2rem;
    background: var(--form-primary);
    color: white;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-actions .btn:hover {
    background: var(--form-secondary);
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
}

/* 按钮加载状态 */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.loading-spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .form-section {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }

    .form-actions {
        padding: 1.25rem 0.75rem;
    }

    .form-actions .btn {
        min-width: 100%;
        padding: 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .form-section {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .form-section-title {
        font-size: 1.2rem;
    }

    input[type="text"],
    input[type="email"],
    input[type="tel"],
    select,
    textarea {
        padding: 0.75rem;
        font-size: 1rem; /* 防止iOS缩放 */
    }

    .checkbox-group {
        padding: 0.5rem;
    }

    .price-range {
        padding: 0.5rem;
    }
}

/* 成功状态 */
.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--form-success);
    background-color: #F1F8E9;
}

/* 占位符样式 - 优化设计，移除斜体，使用柔和颜色 */
::placeholder {
    color: #9ca3af;
    opacity: 0.8;
    font-style: normal;
}

::-webkit-input-placeholder {
    color: #9ca3af;
    opacity: 0.8;
    font-style: normal;
}

::-moz-placeholder {
    color: #9ca3af;
    opacity: 0.8;
    font-style: normal;
}

:-ms-input-placeholder {
    color: #9ca3af;
    opacity: 0.8;
    font-style: normal;
}

/* 自定义品类输入框 */
#customCategory {
    margin-top: 0.75rem;
    border-color: var(--form-primary);
}

/* 表单提示信息 */
.form-hint {
    font-size: 0.8rem;
    color: var(--form-text-light);
    margin-top: 0.25rem;
    font-style: italic;
    padding: 0.5rem;
    background: var(--form-bg-light);
    border-radius: 6px;
    border-left: 3px solid var(--form-accent);
}

/* 必填字段标识 */
.form-group.required label::after {
    content: " *";
    color: var(--form-error);
    font-weight: bold;
}

/* 移除所有emoji图标，只保留FontAwesome图标 */