/* ========== 主页面组件样式 ========== */

/* 移动端头部 */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: white;
    border-bottom: var(--border-width) solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
    box-shadow: 0 var(--shadow-offset) 0 0 rgba(0, 0, 0, 0.1);
}

.header-left,
.header-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.header-center {
    flex: 1;
    text-align: center;
}

.app-title {
    font-size: 20px;
    font-weight: 900;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-btn,
.history-btn {
    width: 40px;
    height: 40px;
    border: var(--border-width) solid var(--border-color);
    background: white;
    border-radius: var(--radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 2px 2px 0 0 var(--border-color);
    position: relative;
}

.menu-btn:active,
.history-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 0 var(--border-color);
}

/* 主内容区 */
.mobile-main {
    padding: calc(var(--header-height) + 20px) 16px calc(var(--action-bar-height) + 20px);
    min-height: 100vh;
}

.content-section {
    display: none;
    animation: slideUp 0.3s ease;
}

.content-section.active {
    display: block;
}

/* 模板选择器 */
.template-selector {
    margin-bottom: 24px;
}

.template-dropdown {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 700;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-medium);
    background: white;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 4px 4px 0 0 var(--border-color);
    font-family: 'Inter', sans-serif;
}

.template-dropdown:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 0 var(--border-color);
}

.template-dropdown:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.template-description {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-medium);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 模板预览 */
.template-preview {
    margin-top: 24px;
    padding: 20px;
    background: white;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-medium);
    box-shadow: 4px 4px 0 0 var(--border-color);
}

.preview-container {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.preview-original,
.preview-result {
    flex: 1;
}

.preview-original img,
.preview-result img {
    width: 100%;
    height: auto;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-small);
}

.preview-arrow {
    font-size: 24px;
    font-weight: 900;
    color: var(--text-main);
}

.preview-label {
    text-align: center;
    margin-top: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.template-example-text {
    padding: 16px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-small);
    margin-top: 16px;
}

.example-text-label {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.example-text-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 提示词输入 */
.prompt-section {
    margin-top: 24px;
}

.prompt-section textarea {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-medium);
    background: white;
    resize: vertical;
    min-height: 120px;
    transition: var(--transition-fast);
    box-shadow: 4px 4px 0 0 var(--border-color);
}

.prompt-section textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 0 var(--border-color);
}

/* 上传区域 */
.upload-zone {
    margin-top: 24px;
}

.upload-label {
    display: block;
    cursor: pointer;
}

.upload-content {
    padding: 48px 24px;
    border: var(--border-width) dashed var(--border-color);
    border-radius: var(--radius-medium);
    text-align: center;
    background: white;
    transition: var(--transition-fast);
}

.upload-content:hover {
    background: var(--accent-yellow);
    border-style: solid;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 0 var(--border-color);
}

.upload-icon {
    margin-bottom: 16px;
    color: var(--text-main);
}

.upload-text {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--text-main);
}

.upload-hint {
    font-size: 14px;
    margin: 0;
    color: var(--text-secondary);
}

/* 图片预览 */
.image-preview-inline {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.preview-item {
    position: relative;
    aspect-ratio: 1;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-small);
    overflow: hidden;
    background: var(--bg-color);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: var(--error);
    color: white;
    border: 2px solid black;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    transition: var(--transition-fast);
}

.preview-remove:active {
    transform: scale(0.9);
}

/* 操作栏 */
.action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    padding-bottom: calc(16px + var(--safe-area-inset-bottom));
    background: white;
    border-top: var(--border-width) solid var(--border-color);
    z-index: 90;
    box-shadow: 0 calc(-1 * var(--shadow-offset)) 0 0 rgba(0, 0, 0, 0.1);
}

/* 生成按钮 */
.generate-btn {
    width: 100%;
    padding: 18px 24px;
    font-size: 18px;
    font-weight: 900;
    text-transform: uppercase;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-medium);
    background: var(--accent-yellow);
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 4px 4px 0 0 var(--border-color);
    font-family: 'Inter', sans-serif;
}

.generate-btn:not(:disabled):hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 0 var(--border-color);
    background: var(--accent-pink);
}

.generate-btn:not(:disabled):active {
    transform: translate(4px, 4px);
    box-shadow: 0 0 0 0 var(--border-color);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--gray-300);
}

.btn-icon {
    font-size: 24px;
}

.btn-text {
    font-size: 18px;
    letter-spacing: 1px;
}