/* 移动端表单样式增强 */

/* 已选择文件列表样式 */
.selected-files-list {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.8) 0%, rgba(255, 255, 255, 0.6) 100%);
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
}

.files-header {
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.files-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: white;
    border-radius: 0.5rem;
    border: 1px solid var(--gray-200);
    transition: all 0.2s ease;
}

.file-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.08);
}

.file-info {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    margin-left: 0.5rem;
    flex-shrink: 0;
}

/* 响应式调整 */
@media (max-width: 576px) {
    .file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .file-info {
        width: 100%;
    }
    
    .file-item .btn {
        align-self: flex-end;
        margin-left: 0;
    }
}

/* 表单字段容器 */
.form-fields-container {
    padding: 0;
    margin-bottom: 2rem;
}

.form-fields-container .row {
    --bs-gutter-x: 0.75rem;
    margin-bottom: 0;
}

.form-field {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(248, 250, 252, 0.4) 100%);
    border-radius: 0.75rem;
    margin-bottom: 0.75rem;
    backdrop-filter: blur(10px);
    position: relative;
}

.form-field::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.02) 0%, rgba(26, 115, 232, 0.01) 100%);
    border-radius: 0.75rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none; /* 防止伪元素阻挡用户交互 */
}

.form-field:hover::before {
    opacity: 1;
}

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

.form-field:focus-within {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 115, 232, 0.08);
    background: rgba(255, 255, 255, 0.95);
}

/* 表单标签 */
.form-field .form-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.form-field .form-label::before {
    content: '';
    width: 4px;
    height: 1.2rem;
    background: linear-gradient(135deg, var(--primary) 0%, #4285f4 100%);
    border-radius: 2px;
    display: inline-block;
}

.form-label .text-danger {
    color: #dc3545 !important;
    font-size: 1.2rem;
    font-weight: bold;
    margin-left: 4px;
    animation: pulse-required 2s infinite;
}

@keyframes pulse-required {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

/* 表单控件 */
.form-control, .form-select {
    border: 2px solid var(--gray-200);
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06), inset 0 1px 2px rgba(0, 0, 0, 0.03);
    font-weight: 500;
    line-height: 1.5;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.12), 0 4px 12px rgba(26, 115, 232, 0.15);
    outline: none;
    background: white;
    transform: translateY(-1px);
}

.form-control:hover:not(:focus), .form-select:hover:not(:focus) {
    border-color: var(--gray-300);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1), inset 0 1px 2px rgba(0, 0, 0, 0.03);
}

/* 文本域 */
.form-control[rows] {
    resize: vertical;
    min-height: 120px;
}

/* 单选框和复选框 - 移动端优化 */
.form-check {
    padding: 1rem 1.25rem;
    margin-bottom: 0.5rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: visible; /* 改为visible，防止单选框被裁剪 */
    min-height: 3rem; /* 确保有足够的高度 */
}

.form-check::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(26, 115, 232, 0.1), transparent);
    transition: left 0.5s ease;
    pointer-events: none; /* 防止伪元素阻挡用户交互 */
}

.form-check:hover::before {
    left: 100%;
}

.form-check:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.1);
}

.form-check:has(.form-check-input:checked) {
    background: linear-gradient(145deg, rgba(26, 115, 232, 0.08) 0%, rgba(26, 115, 232, 0.03) 100%);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-check:last-child {
    margin-bottom: 0;
}

.form-check-input {
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid var(--gray-300);
    margin: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
    flex-shrink: 0; /* 防止单选框被压缩 */
    margin-left: 0; /* 确保没有负的左margin */
    margin-right: 0; /* 确保没有负的右margin */
}

/* 确保单选框在容器中有足够的显示空间 */
.form-check-input[type="radio"],
.form-check-input[type="checkbox"] {
    min-width: 1.5rem; /* 最小宽度 */
    min-height: 1.5rem; /* 最小高度 */
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
    transform: scale(1.1);
}

.form-check-input:focus {
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.15);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input[type="checkbox"] {
    border-radius: 0.5rem;
}

.form-check-label {
    flex: 1;
    font-size: 1.05rem;
    line-height: 1.5;
    color: var(--gray-800);
    cursor: pointer;
    font-weight: 500;
    position: relative;
    z-index: 2;
}

/* 多选项布局 - 移动端垂直排列 */
.form-field.has-many-options .form-check {
    display: flex;
    width: 100%;
    margin-right: 0;
    padding: 1rem 1.25rem; /* 保持左右padding，确保单选框显示完整 */
}

/* 确保包含单选框/复选框的字段有足够的padding */
.form-field:has(.form-check-input) {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* 为单选框和复选框字段提供额外的空间 */
.form-field .form-check:first-of-type {
    margin-top: 0.5rem;
}

/* 文件上传 - 移动端优化 */
.upload-area {
    border: 3px dashed var(--primary);
    border-radius: 1rem;
    padding: 2.5rem 1rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.08) 0%, rgba(26, 115, 232, 0.03) 100%);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.1);
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 1rem;
    background: linear-gradient(45deg, transparent 30%, rgba(26, 115, 232, 0.05) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none; /* 防止伪元素阻挡用户交互 */
}

.upload-area:hover::before, .upload-area.drag-over::before {
    opacity: 1;
}

.upload-area:hover, .upload-area.drag-over {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.15) 0%, rgba(26, 115, 232, 0.08) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 115, 232, 0.2);
}

.upload-area:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.15);
}

.upload-area i {
    color: var(--primary);
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(26, 115, 232, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.upload-area p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    text-shadow: 0 1px 2px rgba(26, 115, 232, 0.1);
}

.upload-area .upload-subtitle {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-600);
    text-shadow: none;
}

.file-upload-hints {
    margin-top: 0.5rem;
}

.file-upload-hints small {
    color: var(--gray-500);
    font-size: 0.875rem;
    line-height: 1.4;
}

/* 文件预览 */
.files-preview-container {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
}

.files-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-preview-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: white;
    border-radius: 0.5rem;
    border: 1px solid var(--gray-200);
}

.file-preview-item img {
    width: 3rem;
    height: 3rem;
    object-fit: cover;
    border-radius: 0.375rem;
}

.file-preview-item .file-info {
    flex: 1;
    min-width: 0;
}

.file-preview-item .file-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
    word-break: break-all;
}

.file-preview-item .file-size {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.file-preview-item .remove-btn {
    padding: 0.25rem;
    color: var(--danger);
    background: none;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
}

/* 上传数量信息 */
.upload-count-info {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(26, 115, 232, 0.1);
    border-radius: 0.5rem;
    color: var(--primary);
    font-size: 0.875rem;
}

/* 分隔符样式 */
.divider-container {
    margin: 2.5rem 0;
    text-align: center;
    position: relative;
}

.divider-with-title {
    position: relative;
}

.divider-line {
    border: none;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--primary) 20%, var(--primary) 80%, transparent 100%);
    margin: 0;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(26, 115, 232, 0.3);
}

.divider-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 0.5rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 支付信息 */
.payment-info {
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.08) 0%, rgba(26, 115, 232, 0.03) 100%);
    border: 2px solid var(--primary);
    border-radius: 1.25rem;
    padding: 2rem;
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
}

.payment-info::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.05) 0%, transparent 70%);
    animation: payment-glow 3s ease-in-out infinite alternate;
}

@keyframes payment-glow {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 0.7; transform: scale(1.1); }
}

.payment-info h5 {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 2;
}

.payment-info h5::before {
    content: '💳';
    margin-right: 0.5rem;
}

.price-option-item {
    border: 3px solid var(--gray-200);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.price-option-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(26, 115, 232, 0.1), transparent);
    transition: left 0.6s ease;
    pointer-events: none; /* 防止伪元素阻挡用户交互 */
}

.price-option-item:hover::before {
    left: 100%;
}

.price-option-item:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(26, 115, 232, 0.15);
    transform: translateY(-3px);
}

.price-option-item.border-primary {
    border-color: var(--primary);
    background: linear-gradient(145deg, rgba(26, 115, 232, 0.1) 0%, rgba(26, 115, 232, 0.05) 100%);
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.15);
}

.price-option-item .form-check-input {
    margin-right: 1rem;
    width: 1.75rem;
    height: 1.75rem;
    border-width: 3px;
}

.price-option-item h6 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-option-item .text-primary {
    font-size: 1.75rem;
    font-weight: 900;
    text-shadow: 0 2px 4px rgba(26, 115, 232, 0.3);
}

/* 错误提示增强 */
.field-error-hint {
    margin-top: 0.5rem;
}

.field-error-hint .alert {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    margin-bottom: 0;
}

.field-error-hint .error-message {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.field-error-hint .error-hint {
    font-size: 0.8125rem;
    opacity: 0.9;
}

/* 验证状态 */
.form-control.is-valid, .form-select.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-control.is-invalid, .form-select.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.valid-feedback {
    display: block;
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.invalid-feedback {
    display: block;
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* 帮助文字 */
.form-text {
    color: var(--gray-500);
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    line-height: 1.4;
}

/* 桌面端适配 */
@media (min-width: 768px) {
    .form-fields-container .row {
        --bs-gutter-x: 2rem;
        margin-bottom: 2rem;
    }
    
    .form-field {
        padding: 2rem 1.5rem;
        margin-bottom: 1rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }
    
    .form-field:focus-within {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(26, 115, 232, 0.12);
    }
    
    .form-control, .form-select {
        padding: 1.25rem 1.5rem;
        font-size: 1.1rem;
        border-radius: 1.25rem;
    }
    
    .form-control:focus, .form-select:focus {
        transform: translateY(-2px);
        box-shadow: 0 0 0 5px rgba(26, 115, 232, 0.15), 0 8px 20px rgba(26, 115, 232, 0.2);
    }
    
    /* 桌面端标签优化 */
    .form-field .form-label {
        font-size: 1.1rem;
        margin-bottom: 1.25rem;
    }
    
    .form-field .form-label::before {
        width: 5px;
        height: 1.5rem;
    }
    
    .form-check {
        padding: 1.25rem 1.5rem;
        margin-bottom: 0.75rem;
        border-radius: 1rem;
    }
    
    .form-check:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(26, 115, 232, 0.15);
    }
    
    /* 桌面端多选项布局恢复 */
    .form-field:not(.has-many-options) .form-check {
        display: inline-flex;
        width: calc(50% - 0.5rem);
        margin-right: 1rem;
        vertical-align: top;
    }
    
    .form-field:not(.has-many-options) .form-check:nth-child(2n) {
        margin-right: 0;
    }
    
    /* 桌面端文件上传优化 */
    .upload-area {
        padding: 4rem 2.5rem;
        min-height: 240px;
        border-width: 4px;
        border-radius: 1.5rem;
    }
    
    .upload-area i {
        font-size: 4.5rem;
        margin-bottom: 2rem;
    }
    
    .upload-area p {
        font-size: 1.3rem;
        font-weight: 700;
    }
    
    .upload-area .upload-subtitle {
        font-size: 1.1rem;
        margin-top: 1rem;
        font-weight: 500;
    }
    
    .upload-area:hover {
        transform: translateY(-6px);
        box-shadow: 0 16px 40px rgba(26, 115, 232, 0.3);
    }
    
    /* 桌面端分隔符优化 */
    .divider-line {
        height: 5px;
    }
    
    .divider-title {
        font-size: 1.25rem;
        padding: 1rem 2.5rem;
        border-width: 3px;
        font-weight: 800;
    }
    
    /* 桌面端支付信息优化 */
    .payment-info {
        padding: 2.5rem;
        border-radius: 1.5rem;
        border-width: 3px;
    }
    
    .payment-info h5 {
        font-size: 1.75rem;
    }
    
    .price-option-item {
        padding: 2rem;
        border-radius: 1.25rem;
        margin-bottom: 1.25rem;
    }
    
    .price-option-item:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(26, 115, 232, 0.2);
    }
    
    .price-option-item h6 {
        font-size: 1.5rem;
    }
    
    .price-option-item .text-primary {
        font-size: 2rem;
    }
}

/* 动画增强 */
@keyframes fieldFocus {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}

.form-field:focus-within {
    animation: fieldFocus 0.3s ease;
}

/* 加载状态 */
.form-loading {
    opacity: 0.6;
    pointer-events: none;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}