styles.css

/*==========================
            全局变量和基础样式
        ==========================*/

:root {
    /* 颜色变量 */
    --color-primary: 124, 58, 237;
    --color-primary-dark: 109, 40, 217;
    --color-secondary: 220, 220, 225;
    --color-secondary-dark: 209, 213, 219;
    --color-body-bg: 247, 247, 250;
    --color-gray-50: 249, 250, 251;
    --color-gray-100: 243, 244, 246;
    --color-gray-500: 107, 114, 128;
    --color-gray-700: 55, 65, 81;
    --color-gray-800: 31, 41, 55;
    --color-white: 255, 255, 255;
    --color-black: 0, 0, 0;

    /* 阴影变量 */
    --shadow-apple-soft: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-btn: 0 1px 3px rgba(var(--color-primary), 0.2);
    --shadow-btn-hover: 0 3px 10px rgba(var(--color-primary), 0.3);
    --shadow-inner: inset 0 1px 2px rgba(0, 0, 0, 0.05);

    /* 过渡动画 */
    --transition-fast: 0.2s;
    --transition-normal: 0.35s;
    --transition-slow: 0.6s;


    /* 字体大小 */
    --font-base: clamp(12px, 0.4vw + 0.5rem, 16px);
    --font-sm: clamp(10px, 0.3vw + 0.5rem, 14px);
    --font-lg: clamp(8px, 0.5vw + 0.5rem, 18px);
    --btn-font-size: clamp(14px, 1.1vw, 18px);
    --control-btn-font-size: clamp(12px, 1.2vw, 18px);

    /* 响应式断点 */
    --mobile-breakpoint: 640px;
}

html,
body {
    height: 100%;
    /* 占满屏幕高度 */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: rgb(var(--color-body-bg));
    transition: background-color 0.3s ease;
    min-height: 100vh;
}

.shadow-apple {
    box-shadow: var(--shadow-card);
}

.bg-primary {
    background-color: rgb(var(--color-primary));
}

.hover\:bg-primary-dark:hover {
    background-color: rgb(var(--color-primary-dark));
}

.text-primary {
    color: rgb(var(--color-primary));
}

.border-primary {
    border-color: rgb(var(--color-primary));
}

.focus\:border-primary:focus {
    border-color: rgb(var(--color-primary));
}

.bg-secondary {
    background-color: rgb(var(--color-secondary));
}

.hover\:bg-secondary-dark:hover {
    background-color: rgb(var(--color-secondary-dark));
}

/*==========================
    基础组件样式
==========================*/
/* 控制栏容器 */

#statsBar {
    padding: clamp(1px, 0.1vw, 2px) clamp(2px, 0.2vw, 4px) !important;
    margin: clamp(1px, 0.1vw, 2px) 0 !important;
    min-height: auto !important;
    /* 禁止固定最小高度 */
    height: auto !important;
    /* 由内容决定高度 */
    display: flex !important;
}

.controls-container {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: flex-end !important;
    align-items: center !important;
    width: 100% !important;
    gap: clamp(4px, 0.6vw, 8px) !important;
    padding: clamp(1px, 0.1vw, 2px) !important;
    box-sizing: border-box !important;
    overflow-x: auto !important;
    /* 允许横向滚动 */
}

/* 子容器保持不换行（布局和清晰度内部不拆分） */
.controls-container>div {
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    gap: 0 !important;
    /* 统一由父元素 gap 控制间距 */
}

/* 最后一组移除右边距，避免整体右移 */
.controls-container>div:last-child {
    margin: 0 !important;
}

/* 滚动条样式 */
.controls-container::-webkit-scrollbar {
    height: 3px !important;
}

.controls-container::-webkit-scrollbar-thumb {
    background-color: rgba(var(--color-primary), 0.3) !important;
    border-radius: 3px !important;
}

#emptyState {
    position: absolute !important;
    top: 30% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    text-align: center !important;
    z-index: 1 !important;
    display: none !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    padding: clamp(1rem, 1vh, 3rem) !important;
    margin: 0 !important;
    gap: clamp(1rem, 2vw, 2rem) !important;
}

/* 仅针对功能型隐藏元素生效，不影响响应式文本 */
#emptyState.hidden,
#loadingState.hidden,
#actionDropdown.hidden,
#imageModal.hidden,
#downloadOverlay.hidden {
    display: none !important;
}

/* 保留空状态显示逻辑 */
#emptyState:not(.hidden) {
    display: flex !important;
}



.rect-item {
    position: absolute;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
    cursor: pointer;
    box-sizing: border-box !important;
}

.rect-item img {
    width: 100%;
    height: 100%;
    object-fit: contain !important;
    transition: transform var(--transition-normal) ease !important;
}

.rect-item:hover img {
    transform: scale(1.05);
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* 水印层样式 */
#domWatermark {
    position: absolute;
    /* 保持绝对定位 */
    z-index: 100;
    font-weight: bold;
    text-align: center;
    -webkit-text-stroke: 0.8px rgba(255, 255, 255, 0.85);
    text-stroke: 0.8px rgba(255, 255, 255, 0.85);
    color: rgba(var(--color-primary), 0.7);
    opacity: 0.8;
    pointer-events: none;
    user-select: none;
    transform: rotate(-15deg);
    /* 保留旋转效果 */
    white-space: nowrap;
    overflow: hidden;
    line-height: 1.2;
    max-height: 80%;
    font-size: clamp(2.5rem, 10vw, 6rem);
}

.controls-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(1rem, 2vw, 2rem) !important;
    box-sizing: border-box;
    padding: clamp(1px, 0.1vw, 2px) clamp(2px, 0.2vw, 4px) !important;
    width: 100% !important;
    max-width: 100% !important;
}

.controls-bar .stats-group,
.controls-bar .actions-group {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: clamp(1rem, 2vw, 2rem) !important;
}

.controls-bar>* {
    margin: 0 !important;
    flex-shrink: 0;
}

/*==========================
    按钮和输入框样式
==========================*/

/* 通用按钮 */
.unified-btn {
    padding: calc(clamp(1px, 0.1vw, 2px) + 2px) calc(clamp(2px, 0.2vw, 4px) + 2px) !important;
    min-height: clamp(30px, 3vw, 38px) !important;
    line-height: normal !important;
    /* 关键：将行高改为normal，避免文字强制贴顶 */
    align-items: center;
    /* 确保flex布局下内容垂直居中（原有可能遗漏） */
    color: white;
    background-color: rgb(var(--color-primary));
    box-shadow: var(--shadow-btn) !important;
    gap: clamp(4px, 0.3vw, 6px) !important;
    white-space: nowrap !important;
    border-radius: clamp(8px, 1vw, 16px) !important;
    justify-content: center !important;
    border: 1px solid transparent !important;
    font-size: var(--control-btn-font-size) !important;
    transition: all var(--transition-normal) ease !important;
    display: inline-flex !important;
    /* 强制flex布局 */
    vertical-align: middle !important;
    /* 与容器基线对齐 */
    margin: 0 !important;
    /* 清除默认外边距 */
}

button.unified-btn:disabled {
    background: #6b7280 !important;
    color: #d1d5db !important;
    box-shadow: none !important;
    cursor: not-allowed !important;
    border-color: #6b7280 !important;
    border-radius: 12px;
    opacity: 0.6 !important;
}

button.unified-btn:disabled:hover,
button.unified-btn[disabled]:hover {
    cursor: not-allowed !important;
    transform: none !important;
    position: relative;
}

button.unified-btn:disabled:hover::after,
button.unified-btn[disabled]:hover::after {
    content: "请先添加图片";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #374151;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    margin-bottom: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

button.unified-btn:disabled:hover::before,
button.unified-btn[disabled]:hover::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: #374151;
    margin-bottom: 0;
    opacity: 0;
    transition: opacity 0.2s;
}

button.unified-btn:disabled:hover::after,
button.unified-btn[disabled]:hover::after,
button.unified-btn:disabled:hover::before,
button.unified-btn[disabled]:hover::before {
    opacity: 1;
}

.unified-btn:hover:not(:disabled) {
    background-color: rgb(var(--color-primary-dark));
    box-shadow: var(--shadow-btn-hover) !important;
    transform: translateY(-1px);
}

.unified-btn:active:not(:disabled) {
    background-color: rgb(var(--color-primary-dark));
    box-shadow: 0 2px 5px rgba(var(--color-primary), 0.2);
    transform: translateY(0);
}

/* 下拉菜单样式 */

#actionDropdown {
    position: absolute;
    z-index: 1000 !important;
    transition: opacity 0.2s ease, transform 0.2s ease;
    opacity: 0;
    transform: translateY(-5px);
    pointer-events: none;
}

#actionDropdown:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

#actionDropdown button {
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
    /* 继承父容器颜色 */
}

#actionDropdown button:hover {
    background-color: rgb(var(--color-secondary));
}

#actionDropdown button {
    padding: calc(0.5rem + 2px) calc(1rem + 2px) !important;
}



/* 布局/清晰度选择器按钮 */
.ratio-quality-btn {
    padding: clamp(2px, 0.3vw, 4px) clamp(6px, 0.6vw, 8px) !important;
    border: 1px solid rgb(var(--color-secondary));
    border-left: none;
    border-radius: 0;
    min-height: clamp(26px, 2.5vw, 34px) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-width: 1px !important;
    font-size: var(--btn-font-size) !important;
    box-shadow: var(--shadow-btn) !important;
    line-height: 1 !important;
    transition: all var(--transition-normal) ease !important;
}

.ratio-quality-btn:first-of-type {
    border-top-left-radius: 9999px;
    border-bottom-left-radius: 9999px;
}

.ratio-quality-btn:last-of-type {
    border-top-right-radius: 9999px;
    border-bottom-right-radius: 9999px;
}

.ratio-quality-btn.active {
    background-image: linear-gradient(to top, rgb(var(--color-primary-dark)) 0%, rgb(var(--color-primary)) 100%);
    padding: clamp(2px, 0.3vw, 4px) clamp(6px, 0.6vw, 8px) !important;
    border-color: rgb(var(--color-primary)) !important;
    color: white;
    box-shadow: var(--shadow-btn-hover) !important;
    z-index: 1;
    margin: 0;
}

.ratio-quality-btn.active:first-of-type {
    border-top-left-radius: 9999px;
    border-bottom-left-radius: 9999px;
    border-top-right: 0;
    border-bottom-right: 0;
}

.ratio-quality-btn.active:last-of-type {
    border-top-right-radius: 9999px;
    border-bottom-right-radius: 9999px;
    border-top-left: 0;
    border-bottom-left: 0;
}

.ratio-quality-btn.active:not(:first-of-type):not(:last-of-type) {
    border-radius: 0;
}

.ratio-quality-btn.active:only-child {
    border-radius: 9999px;
}

.ratio-quality-btn.active~.ratio-quality-btn:not(.active) {
    border-left: 2px solid rgb(var(--color-secondary));
}

.route-input-base {
    width: clamp(70px, 6vw, 120px) !important;
    max-width: clamp(70px, 6vw, 120px) !important;
    height: clamp(28px, 3vw, 36px) !important;
    padding: 0 clamp(8px, 0.8vw, 10px) !important;
    border: 1px solid rgb(var(--color-primary)) !important;
    border-radius: clamp(6px, 0.6vw, 10px) !important;
    text-align: center;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05) !important;
    line-height: clamp(28px, 3vw, 36px) !important;
    box-sizing: border-box;
    outline: none;
    border-width: 1px !important;
    font-size: clamp(12px, 0.9vw, 16px) !important;
    transition: all var(--transition-normal) ease !important;
}

.route-input-base:focus {
    border-color: rgb(var(--color-primary));
    box-shadow: 0 0 0 3px rgba(var(--color-primary), 0.3), inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.route-input-base::-webkit-input-placeholder,
.route-input-base:-ms-input-placeholder,
.route-input-base::placeholder {
    text-align: center;
    color: #9ca3af;
    line-height: inherit;
    vertical-align: middle;
}

/* 模态框控制按钮 */
#closeModal,
#prevImageBtn,
#nextImageBtn {
    padding: calc(clamp(4px, 0.4vw, 6px) + 2px) calc(clamp(8px, 0.8vw, 10px) + 2px) !important;
}

/* 动画与错误样式 */
.animate-pulse-primary {
    animation: pulse-primary 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-primary {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(var(--color-primary), 0.7);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(var(--color-primary), 0);
    }
}

.border-error {
    border-color: rgb(var(--color-primary));
}



/* 下载按钮样式 */
.download-temp-style {
    box-shadow: none !important;
    border: none !important;
    overflow: hidden !important;
}

footer {
    height: clamp(50px, 8vw, 70px) !important;
    padding: clamp(3px, 0.5vw, 8px) !important;
}

/* 主题栏父容器：清除所有边距限制，全屏显示 */
.w-full.sticky.top-0.z-10 {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* 主题栏内部容器：保持左右分散对齐 */
header .w-full.flex.justify-between.items-center.flex-wrap.gap-2 {
    gap: clamp(1rem, 2vw, 2rem) !important;
    align-items: center !important;
    padding: 0 !important;
    flex-wrap: nowrap !important;
    /* 禁止换行 */
    min-width: 0 !important;
    /* 允许内容收缩 */
}

header .flex.items-center.space-x-2:last-child {
    align-items: center !important;
    /* 强制垂直居中 */
    gap: clamp(1rem, 2vw, 2rem) !important;
    margin: auto !important;
    width: auto !important;
    max-width: 100% !important;
    padding: 0 !important;
    /* 清除容器内边距 */
}

/* 强制按钮组靠右 */
header .flex.items-center.space-x-2 {
    margin: auto !important;
    width: auto !important;
    max-width: 100% !important;
}

/* 标题区域强制靠左 */
header .flex.items-end.flex-wrap {
    justify-content: flex-start !important;
    margin: 0 !important;
    padding: 0 !important;
    width: auto !important;
    flex: 1 1 auto !important;
    /* 允许标题区域收缩 */
}


/* 合并容器宽度限制 */
.w-full.sticky.top-0.z-10,
main>div:last-child,
.text-center.bg-white.rounded-xl.shadow-apple.italic.w-full {
    width: 100% !important;
    max-width: 100% !important;
}


/* 2. 父容器：明确Flex垂直排列，确保高度传递 */
#imageContainerParent {
    padding: clamp(8px, 1vw, 16px) !important;
    display: flex !important;
    flex-direction: column !important; /* 关键添加：子元素垂直排列 */
    align-items: center !important; /* 水平居中 */
    justify-content: flex-start !important; /* 从顶部开始布局 */
    box-sizing: border-box !important;
    background-color: #ffffff !important;
    position: relative !important;
    margin: clamp(0.25rem, 1vw, 0.5rem);
    height: auto !important;
    min-height: clamp(240px, 40vw, 420px) !important;
    overflow: visible !important;
}

.image-container-empty {
    min-height: 0 !important;
    height: auto !important;
}

/* ======== 一键美化合集 ======== */
/* 1. 玻璃拟态头部 */
header {
    background-color: rgba(255,255,255,0.55);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid rgba(255,255,255,0.35);
}

/* 2. 按钮3D微动效 */
.unified-btn {
    transform: translateY(0);
    box-shadow:
        0 2px 4px rgba(var(--color-primary),0.25),
        0 1px 2px rgba(0,0,0,0.08);
    transition: all var(--transition-normal) ease !important;
}
/* unified hover/active handled above; remove duplicate micro-effect */

/* 3. 拖拽区域炫光呼吸 */
#rectContainer:not(:has(.rect-item)) {
    border: 2px solid transparent;
    background:
        linear-gradient(#fff,#fff) padding-box,
        linear-gradient(45deg,rgb(var(--color-primary)),#93c5fd) border-box;
    animation: border-breath 2.5s ease-in-out infinite;
}
@keyframes border-breath {
    0%,100% { opacity: 0.45; }
    50% { opacity: 1; }
}

/* 4. 拼图块悬停放大 */
.rect-item {
    transition: transform 0.25s cubic-bezier(.4,0,.2,1),
                box-shadow 0.25s cubic-bezier(.4,0,.2,1);
}
.rect-item:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    z-index: 10;
}

/* 5. Toast卡片圆角+进度条渐变 */
#successToast, #errorToast {
    border-radius: 1rem;
    box-shadow: 0 8px 30px rgba(0,0,0,.12);
}
#successToast .bg-primary { /* 成功进度条 */
    background: linear-gradient(90deg, #4f46e5 0%, #7c3aed 100%);
    height: 4px;
    border-radius: 2px;
}
#errorToast .bg-rose-600 { /* 失败进度条 */
    background: linear-gradient(90deg, #e11d48 0%, #be123c 100%);
    height: 4px;
    border-radius: 2px;
}

/* 7. 空状态图标浮动 */
#emptyState svg {
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* 8. 按钮彩虹光扫过 */
.unified-btn {
    position: relative;
    overflow: hidden;
}
.unified-btn::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg,
        transparent, rgba(255,255,255,.6), transparent);
    transform: skewX(-20deg);
    transition: left .6s;
}
.unified-btn:hover::after { left: 100%; }
/* ======== 按钮二次美化 ======== */
/* 1. 工具栏/操作按钮：低调微渐变 + 统一圆角 */
/* conflict removed: unified-btn gradient block */
/* remove gradient hover/active block to unify animations */

/* 2. 主行动按钮（添加图片、下载）高亮 accent */
#fileInputTopBtn:not(.disabled):not(:disabled),
#downloadBtn:not(:disabled) {
    background: linear-gradient(145deg, #38b2ac 0%, #319795 100%);
    border-color: #2c7a7b;
    color: #fff;
}
#fileInputTopBtn:hover:not(:disabled),
#downloadBtn:hover:not(:disabled) {
    background: linear-gradient(145deg, #319795 0%, #2c7a7b 100%);
    border-color: #285e61;
}

/* ======== 按钮字号统一 ======== */
/* 1. 顶部工具栏按钮 */
.unified-btn {
    font-size: var(--control-btn-font-size) !important;
}

/* ======== 容器对齐优化 ======== */
/* 统一容器间距 */
#statsBar, #imageContainerParent {
    box-sizing: border-box !important;
}
        
/* 响应式调整 */
@media (max-width: 640px) {
    .px-3 {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }
    #statsBar, #imageContainerParent {
        padding: 0.75rem !important;
    }
    .layout-container {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }
            
    /* 小屏幕下清晰度和线路编号适配 */
    .controls-bar .flex.items-center.gap-0 {
        gap: 0 !important; /* 清晰度按钮无间距 */
    }
            
    .ratio-quality-btn {
        padding: 0.25rem 0.5rem !important; /* 减小按钮内边距 */
        font-size: 0.75rem !important; /* 保持小字体 */
        min-width: 2rem !important; /* 最小宽度 */
        border-radius: 0 !important; /* 移除圆角 */
        border-right-width: 0 !important; /* 移除右边框 */
    }
            
    .ratio-quality-btn:last-of-type {
        border-top-right-radius: 0.375rem !important;
        border-bottom-right-radius: 0.375rem !important;
        border-right-width: 1px !important; /* 恢复最后一个的右边框 */
    }
}
            
/* 中等小屏幕适配 */
@media (max-width: 480px) {
    .ratio-quality-btn {
        padding: 0.25rem 0.4rem !important;
        font-size: 0.7rem !important;
        border-radius: 0 !important; /* 移除圆角 */
        border-right-width: 0 !important; /* 移除右边框 */
    }
            
    .ratio-quality-btn:last-of-type {
        border-top-right-radius: 0.375rem !important;
        border-bottom-right-radius: 0.375rem !important;
        border-right-width: 1px !important; /* 恢复最后一个的右边框 */
    }
            
    #routeNumberInput {
        width: 5.5rem !important;
        font-size: 0.7rem !important;
    }
            
    .controls-bar .flex.items-center.gap-0 span {
        font-size: 0.8rem !important;
    }
}
        
/* 超小屏幕适配 */
@media (max-width: 390px) {
    .ratio-quality-btn {
        padding: 0.2rem 0.4rem !important;
        font-size: 0.7rem !important;
        min-width: 1.8rem !important;
    }
            
    #routeNumberInput {
        width: 5rem !important;
        font-size: 0.7rem !important;
    }
            
    .controls-bar > * {
        flex-shrink: 0 !important; /* 防止元素被压缩 */
    }
            
    .controls-container {
        flex-wrap: wrap !important; /* 允许换行 */
        gap: 0.25rem !important;
    }
            
    /* 清晰度标签在小屏幕上隐藏 */
    .controls-bar .flex.items-center.gap-0 span {
        display: none !important;
    }
            
    .ratio-quality-btn {
        margin-right: 0.125rem !important;
    }
            
    /* 随机重排和下载按钮调小，但保持工具栏高度统一 */
    #regenerateBtn,
    #downloadBtn {
        padding: 0.375rem 0.75rem !important; /* 减小内边距 */
        font-size: 0.75rem !important;
        min-height: 2rem !important; /* 保持最小高度 */
        line-height: 1.25 !important; /* 统一行高 */
    }
            
    /* 确保所有按钮高度一致 */
    .ratio-quality-btn,
    #routeNumberInput,
    #regenerateBtn,
    #downloadBtn {
        height: 2rem !important; /* 统一高度 */
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
            
    #routeNumberInput {
        line-height: 1.25 !important; /* 输入框行高统一 */
    }
}

/* 精确对齐修复 */
#statsBar {
    margin-bottom: 0.375rem !important; /* 6px，间距减半 */
}
        
/* 确保所有容器边框一致 */
header.container-unified,
#statsBar,
#imageContainerParent {
    border-width: 1px !important;
    border-style: solid !important;
}
        
/* 移除可能的额外间距 */
.space-y-1\.5 > * + * {
    margin-top: 0.375rem !important; /* 6px，间距减半 */
}

/* 移除之前的冲突样式，使用新的布局容器方案 */
        
/* 修复可能的box-sizing差异 */
* {
    box-sizing: border-box !important;
}

/* 强制所有容器使用相同的box-shadow和圆角 */
header,
#statsBar,
#imageContainerParent {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06) !important;
    border-radius: 0.75rem !important;
}
        
/* 确保header的底部边框不会增加额外高度 */
header {
    border-bottom-width: 1px !important;
    border-bottom-style: solid !important;
    border-bottom-color: #f3f4f6 !important;
}

/* 新的布局容器确保完美对齐 */
.layout-container {
    padding-left: 12px !important;
    padding-right: 12px !important;
}
        
.layout-container > * {
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}
        
/* 确保space-y-1.5的间距为6px */
.layout-container.space-y-1\.5 > :not([hidden]) ~ :not([hidden]) {
    margin-top: 0.375rem !important;
}
        
/* 确保sticky header在layout-container内正常工作 */
.layout-container > header {
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    margin-bottom: 6px !important; /* 间距减半 */
}

/* 拖拽区域定位修复 */
#imageContainerParent {
    position: relative !important;
    min-height: 400px !important; /* 确保有足够高度 */
}

/* 工具栏高度统一 */
#statsBar {
    min-height: 3rem !important; /* 统一工具栏最小高度 */
}
        
.controls-bar {
    align-items: center !important; /* 确保垂直居中对齐 */
    min-height: 2.5rem !important; /* 控制栏最小高度 */
}
        
/* 所有控制元素高度统一 */
.ratio-quality-btn,
#routeNumberInput,
.unified-btn {
    height: 2rem !important; /* 统一高度 */
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    vertical-align: middle !important; /* 确保行内对齐 */
}
        
#routeNumberInput {
    line-height: normal !important; /* 重置行高 */
    box-sizing: border-box !important; /* 确保高度计算一致 */
}

/* 清晰度按钮合并在一起 - 移除间距 */
.ratio-quality-btn {
    border-radius: 0 !important; /* 移除圆角 */
    margin: 0 !important; /* 移除外边距 */
    border-right-width: 0 !important; /* 移除右边框 */
}
        
/* 第一个按钮保持左侧圆角 */
.ratio-quality-btn:first-of-type {
    border-top-left-radius: 0.375rem !important;
    border-bottom-left-radius: 0.375rem !important;
}
        
/* 最后一个按钮保持右侧圆角和右边框 */
.ratio-quality-btn:last-of-type {
    border-top-right-radius: 0.375rem !important;
    border-bottom-right-radius: 0.375rem !important;
    border-right-width: 1px !important; /* 恢复右边框 */
}
        
/* 选中状态边框修复 */
.ratio-quality-btn.active {
    border-right-width: 1px !important; /* 选中时恢复右边框 */
    position: relative !important; /* 用于层级调整 */
    z-index: 1 !important; /* 提高层级 */
}
        
/* 确保按钮之间没有间隙 */
.flex.items-center.gap-0 {
    gap: 0 !important;
}
        
#emptyState {
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 5 !important;
}
        
#loadingState {
    position: absolute !important;
    inset: 0 !important;
    z-index: 10 !important; /* 高于emptyState */
}
        
#rectContainer {
    position: relative !important;
    z-index: 1 !important; /* 基础层 */
}
/* 2. 单张预览弹窗按钮 */
#imageModal button {
    font-size: var(--control-btn-font-size) !important;
}

/* ======== 按钮字号统一结束 ======== */
.unified-btn i { font-size: 1em !important; margin-right: 0 !important; color: inherit !important; }
.unified-btn i:only-child { margin-right: 0 !important; }

.rect-container {
    position: relative !important;
    overflow: visible !important;
    background-color: #ffffff !important;
    cursor: default !important;
    border: none !important;
    margin: 0 auto !important;
    display: block !important; /* 关键修改：inline-block改为block，避免高度塌陷 */
    width: 100% !important;
    min-width: clamp(200px, 30vw, 300px) !important;
    transition: all 0.3s ease !important;
    box-sizing: border-box !important;
    box-shadow: var(--shadow-inner) !important;
    min-height: 0 !important;
    max-height: none !important;
    height: auto !important;
    padding: 0 !important;
    border: 1px solid #f0f0f0 !important;
}

/* 3. #rectContainer 保持与.rect-container一致，确保样式统一 */
#rectContainer {
    position: relative !important;
    display: block !important;
    width: 100% !important;
    min-height: 0 !important;
    box-sizing: border-box !important;
    background-color: #ffffff !important;
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
}

/* 清除模态框外层内边距，避免左右留白 */
#imageModal {
    padding: 0 !important;
    /* 覆盖原有的 p-4，消除外层边距 */
    overflow-x: hidden !important;
    /* 强制隐藏横向溢出 */
}

/* 模态框调整 */
#imageModal>div {
    max-width: 100% !important;
    width: 100% !important;
    /* 强制占满屏幕宽度 */
    max-height: 95vh !important;
    margin: 0 !important;
    padding: 0 !important;
    /* 强制清除主体内边距 */
    box-sizing: border-box !important;
}

/* 图片预览容器和图片本身的终极对齐和尺寸规则 */
#imageModal>div>div:nth-child(2) {
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    justify-content: center !important;
    /* Flex 居中 */
    align-items: center !important;
    text-align: center !important;
    /* 文本居中，作为图片 (inline-block) 的 fallback 居中 */
    flex-direction: column !important;
    /* 垂直方向也居中 */
}


#modalImage {
    width: 100% !important;
    /* 确保图片宽度100% */
    display: block !important;
    /* 确保 margin: auto 生效 */
    max-width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    margin: 0 auto !important;
    /* 块级元素经典居中法 */
}

#successToast {
    transition: opacity 0.3s ease;
}

#successToast.hidden {
    display: none !important;
}

#successToast.show {
    display: flex !important;
    animation: slideIn 0.3s ease-out;
}

#errorToast {
    transition: opacity 0.3s ease;
}

#errorToast.hidden {
    display: none !important;
}

#errorToast.show {
    display: flex !important;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translate(-50%, -20px);
        opacity: 0;
    }

    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}
#fileInputTopBtn, #downloadBtn, #deleteSingleBtn { margin-left: 0 !important; }
#topActions { gap: clamp(4px, 0.6vw, 8px) !important; }
#modalNav { display: grid !important; grid-template-columns: auto auto auto; align-items: center; column-gap: clamp(4px, 0.6vw, 8px); }
#modalNav > * { justify-self: center; }
#actionMenuBtn, #downloadSingleBtn, #deleteSingleBtn {
    border: 1px solid rgb(var(--color-primary)) !important;
}
#actionDropdown { width: auto !important; min-width: 16rem !important; }
#actionDropdown button { font-size: var(--font-base) !important; white-space: nowrap !important; }
#actionDropdown i { font-size: 1em !important; }
#modalActions { gap: clamp(4px, 0.6vw, 8px) !important; }
#metricsActionsGroup { gap: clamp(4px, 0.6vw, 8px) !important; }
#modalFooter { display: grid !important; grid-template-columns: auto 1fr auto; align-items: center; column-gap: clamp(6px, 0.8vw, 12px) !important; }
#modalActions { justify-self: center !important; }
#modalNav { justify-self: end !important; }
@media (max-width: 640px) {
    .unified-btn { min-height: 44px !important; padding: 10px 14px !important; border-radius: 14px !important; }
    .unified-btn i { font-size: 1.2em !important; }
    .unified-btn:has(span.hidden) i { font-size: 1.5em !important; }
    .unified-btn i:only-child { font-size: 1.5em !important; }
    #modalFooter .unified-btn { min-width: 44px !important; }
}
/* Ensure small-screen hides text and shows icons only */
.hidden { display: none !important; }
.sm\:inline { display: none !important; }
@media (min-width: 640px) {
    .sm\:inline { display: inline !important; }
}
#regenerateBtn:not(:disabled), #downloadBtn:not(:disabled), #fileInputTopBtn:not(.disabled):not(:disabled), #clearBtn:not(:disabled), #downloadSingleBtn:not(:disabled), #deleteSingleBtn:not(:disabled) {
    background: rgb(var(--color-primary)) !important;
    color: #fff !important;
    border-color: rgb(var(--color-primary)) !important;
}
#regenerateBtn:hover:not(:disabled), #downloadBtn:hover:not(:disabled), #fileInputTopBtn:hover:not(:disabled), #clearBtn:hover:not(:disabled), #downloadSingleBtn:hover:not(:disabled), #deleteSingleBtn:hover:not(:disabled) {
    background: rgb(var(--color-primary-dark)) !important;
}
button#regenerateBtn:disabled, 
button#downloadBtn:disabled, 
button#clearBtn:disabled, 
button#fileInputTopBtn.disabled {
    background: #6b7280 !important;
    border-color: #6b7280 !important;
    color: #d1d5db !important;
    cursor: not-allowed !important;
    opacity: 0.6 !important;
    box-shadow: none !important;
    transform: none !important;
}
        
/* 更具体的选择器来覆盖其他样式 */
.unified-btn:disabled {
    background-color: #6b7280 !important;
    border-color: #6b7280 !important;
    color: #d1d5db !important;
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
}
        
/* 使用属性选择器增加优先级 */
button.unified-btn[disabled] {
    background-color: #6b7280 !important;
    border-color: #6b7280 !important;
    color: #d1d5db !important;
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
}
        
/* 额外的禁用类样式 */
.unified-btn.btn-disabled {
    background-color: #6b7280 !important;
    border-color: #6b7280 !important;
    color: #d1d5db !important;
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
    transform: none !important;
}
#modalNav span { font-size: var(--control-btn-font-size) !important; }
#copyrightFooter { font-size: var(--font-lg) !important; }

/* 第二段补充禁用样式 */
.unified-btn:disabled, .unified-btn[disabled] {
    background-color: #6b7280 !important;
    color: #d1d5db !important;
    border-color: #6b7280 !important;
    box-shadow: none !important;
    cursor: not-allowed !important;
    opacity: 0.6 !important;
    transform: none !important;
}
.unified-btn:disabled::after { display: none !important; }

/* 终极禁用样式 - 使用最优先级选择器 */
html body button#regenerateBtn[disabled],
html body button#downloadBtn[disabled], 
html body button#clearBtn[disabled] {
    background-color: #6b7280 !important;
    background: #6b7280 !important;
    border-color: #6b7280 !important;
    color: #d1d5db !important;
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
    transform: none !important;
    filter: grayscale(100%) !important;
}
        
/* 强制禁用状态下的图标和文字颜色 */
html body button#regenerateBtn[disabled] i,
html body button#downloadBtn[disabled] i,
html body button#clearBtn[disabled] i,
html body button#regenerateBtn[disabled] span,
html body button#downloadBtn[disabled] span,
html body button#clearBtn[disabled] span {
    color: #d1d5db !important;
    opacity: 0.6 !important;
}
        
/* 禁用遮罩层样式 */
.btn-disabled-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(107, 114, 128, 0.8);
    border-radius: inherit;
    pointer-events: none;
    z-index: 10;
    display: none;
}
        
/* 按钮容器样式 */
.btn-container {
    position: relative;
    display: inline-block;
}