/*
 * 现代 UI 升级层 v2
 * 设计：玻璃拟态 + 统一 40px 控件高度 + 严格 flex 居中
 * 解决：标题缺图标、toolbar 行内元素 baseline 错位
 */

/* ==================== 基础变量补强 ==================== */
:root {
    --ctrl-height: 40px;
    --ctrl-radius: 10px;
    --card-radius: 16px;
    --shadow-card: 0 8px 32px rgba(31, 38, 135, 0.10);
    --shadow-card-hover: 0 16px 48px rgba(0, 180, 216, 0.20);
    --shadow-btn: 0 4px 14px rgba(0, 180, 216, 0.30);
    --glass: rgba(255, 255, 255, 0.65);
    --glass-strong: rgba(255, 255, 255, 0.78);
    --glass-border: rgba(255, 255, 255, 0.75);
}

/* ==================== 全局背景 ==================== */
html, body {
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 50%, #ede9fe 100%) !important;
}

#three-bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0.45;
}

.bg-animation, .overlay { display: none !important; }

#app {
    position: relative;
    z-index: 1;
    background: transparent;
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    background: var(--glass) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-right: 1px solid var(--glass-border) !important;
    box-shadow: 4px 0 30px rgba(0, 180, 216, 0.08) !important;
}

.logo-area {
    background: linear-gradient(135deg, var(--accent-color) 0%, rgba(0, 180, 216, 0.7) 100%) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 180, 216, 0.25);
    position: relative;
    overflow: hidden;
}

.logo-area::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.4) 50%, transparent 70%);
    transform: translateX(-100%);
    animation: shimmer 5s ease-in-out infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.nav-menu {
    padding: 12px 0 !important;
}

.nav-item {
    margin: 4px 12px;
    border-radius: 12px;
    padding: 11px 16px !important;
    border-left: none !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative;
    overflow: hidden;
    display: flex !important;
    align-items: center !important;
    gap: 10px;
}

.nav-item svg {
    width: 18px !important;
    height: 18px !important;
    flex-shrink: 0;
    margin-right: 0 !important;
}

.nav-item span {
    line-height: 1;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.7) !important;
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 180, 216, 0.12);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--accent-color) 0%, rgba(0, 180, 216, 0.75) 100%) !important;
    color: white !important;
    box-shadow: 0 6px 20px rgba(0, 180, 216, 0.40);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 25%;
    bottom: 25%;
    width: 4px;
    background: var(--accent-color);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 12px rgba(0, 180, 216, 0.8);
}

/* 分组小标题 */
.nav-menu > div[style*="font-size: 11px"] {
    color: var(--accent-color) !important;
    opacity: 0.75 !important;
    font-weight: 700 !important;
    letter-spacing: 1.5px !important;
    margin-top: 10px;
    padding: 6px 24px !important;
    position: relative;
}

.nav-menu > div[style*="font-size: 11px"]::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    width: 8px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 2px;
    transform: translateY(-50%);
}

/* ==================== 顶部 Hero 标题区 ==================== */
.content-header {
    background: var(--glass-strong) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    height: auto !important;
    min-height: 72px;
    padding: 14px 28px !important;
}

#page-title { display: none; }

#page-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
}

.hero-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent-color) 0%, rgba(0, 180, 216, 0.7) 100%);
    box-shadow: 0 6px 20px rgba(0, 180, 216, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    animation: heroIconIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-icon svg {
    width: 26px;
    height: 26px;
    fill: none;
    stroke: white;
    stroke-width: 2;
}

@keyframes heroIconIn {
    from { transform: scale(0.5) rotate(-15deg); opacity: 0; }
    to { transform: scale(1) rotate(0); opacity: 1; }
}

.hero-text {
    flex: 1;
    min-width: 0;
}

.hero-title {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #6366f1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.3px;
    line-height: 1.2;
    margin-bottom: 4px;
}

.hero-desc {
    font-size: 13px;
    color: var(--text-secondary);
    opacity: 0.85;
    line-height: 1.4;
}

/* ==================== 工具页 ==================== */
.main-content { background: transparent !important; }

.tool-workspace {
    padding: 20px 28px !important;
}

.tool-page.active {
    animation: pageIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== 工具栏：核心修复对齐 ==================== */
.toolbar {
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap;
    gap: 10px !important;
    background: var(--glass);
    backdrop-filter: blur(12px);
    padding: 12px 16px !important;
    border-radius: 14px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    margin-bottom: 16px !important;
}

/* toolbar 内文本节点：包成可对齐的 label chip */
.toolbar {
    line-height: var(--ctrl-height);
}

.toolbar > * {
    align-self: center;
}

/* ==================== 统一控件高度 ==================== */
.toolbar input[type="text"],
.toolbar input[type="number"],
.toolbar select,
.toolbar .btn,
.toolbar label.btn {
    height: var(--ctrl-height);
    box-sizing: border-box;
    line-height: 1;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    margin: 0 !important;
    vertical-align: middle;
}

/* 输入框 / 下拉框统一外观 */
input[type="text"],
input[type="number"],
input[type="password"],
select,
textarea {
    background: var(--glass-strong) !important;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 180, 216, 0.15) !important;
    border-radius: var(--ctrl-radius) !important;
    color: var(--text-primary) !important;
    font-family: inherit;
    transition: all 0.25s !important;
    box-sizing: border-box;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
    background: rgba(255, 255, 255, 0.95) !important;
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.15) !important;
    outline: none;
}

/* 暗色主题：focus 时保持深色底，避免白底白字 */
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) input[type="text"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) input[type="number"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) input[type="password"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) input[type="search"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) select:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) textarea:focus {
    background: rgba(15, 23, 42, 0.85) !important;
    color: #e2e8f0 !important;
    border-color: var(--accent-color) !important;
}

select {
    padding: 0 30px 0 12px !important;
    appearance: none;
    -webkit-appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--accent-color) 50%),
                      linear-gradient(135deg, var(--accent-color) 50%, transparent 50%) !important;
    background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50% !important;
    background-size: 5px 5px, 5px 5px !important;
    background-repeat: no-repeat !important;
    cursor: pointer;
    min-width: 90px;
}

/* ==================== 按钮 ==================== */
.btn {
    height: var(--ctrl-height);
    padding: 0 18px !important;
    border-radius: var(--ctrl-radius) !important;
    font-size: 14px !important;
    font-weight: 600;
    letter-spacing: 0.3px;
    line-height: 1;
    box-sizing: border-box;
    border: none;
    cursor: pointer;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center;
    gap: 6px !important;
    position: relative;
    overflow: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    color: white;
    white-space: nowrap;
}

.btn svg {
    width: 16px !important;
    height: 16px !important;
    flex-shrink: 0;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
    pointer-events: none;
}

.btn:hover::before { left: 100%; }
.btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}
.btn:active { transform: translateY(0); }

.btn-primary {
    background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%) !important;
    box-shadow: 0 4px 14px rgba(0, 180, 216, 0.35) !important;
}
.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35) !important;
}
.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35) !important;
}
.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35) !important;
}
.btn-info {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%) !important;
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.35) !important;
}

/* 文件上传按钮（label.btn） */
label.btn {
    display: inline-flex !important;
}

/* ==================== 控件内 inline 标签 chip ==================== */
.toolbar .ctrl-label,
.label-chip {
    display: inline-flex;
    align-items: center;
    height: var(--ctrl-height);
    padding: 0 10px;
    background: rgba(0, 180, 216, 0.10);
    color: var(--accent-color);
    border-radius: var(--ctrl-radius);
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    border: 1px solid rgba(0, 180, 216, 0.18);
    white-space: nowrap;
}

/* ==================== 编辑器面板 ==================== */
.editor-area {
    gap: 16px !important;
}

.editor-panel {
    background: var(--glass-strong) !important;
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--shadow-card) !important;
    border-radius: var(--card-radius) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    overflow: hidden;
}

.editor-panel:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover) !important;
    border-color: rgba(0, 180, 216, 0.3) !important;
}

.panel-header {
    background: rgba(0, 180, 216, 0.08) !important;
    border-bottom: 1px solid rgba(0, 180, 216, 0.12) !important;
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 13px !important;
    letter-spacing: 0.3px;
    padding: 12px 16px !important;
}

.code-textarea, .code-viewer {
    background: transparent !important;
    color: var(--text-primary) !important;
}

textarea.code-textarea {
    background: rgba(255, 255, 255, 0.5) !important;
    border-radius: 0 !important;
    border: none !important;
}

textarea.code-textarea:focus {
    background: rgba(255, 255, 255, 0.85) !important;
    box-shadow: inset 0 0 0 2px rgba(0, 180, 216, 0.3) !important;
}

.code-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* ==================== 滚动条 ==================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-color), rgba(0, 119, 182, 0.7));
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #0077B6, var(--accent-color));
}

/* ==================== 主题设置按钮 ==================== */
#btn-theme-settings {
    background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%) !important;
    box-shadow: 0 4px 16px rgba(236, 72, 153, 0.4) !important;
    height: 44px !important;
    border-radius: 12px !important;
}

#btn-theme-settings:hover {
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.5) !important;
}

#btn-toggle-player {
    background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%) !important;
    box-shadow: 0 8px 32px rgba(236, 72, 153, 0.4) !important;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 8px 32px rgba(236, 72, 153, 0.4); }
    50% { box-shadow: 0 8px 40px rgba(236, 72, 153, 0.7); }
}

/* ==================== 弹窗 ==================== */
#theme-modal > div {
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border) !important;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2) !important;
}

/* ==================== 暗色主题（dark + midnight 共用）==================== */
body[data-theme="dark"] {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #312e81 100%) !important;
}

body[data-theme="midnight"] {
    background: radial-gradient(ellipse at top, #1E1B4B 0%, #0B1120 40%, #020617 100%) !important;
}

body:is([data-theme="dark"], [data-theme="midnight"]) {
    --glass: rgba(30, 41, 59, 0.55);
    --glass-strong: rgba(30, 41, 59, 0.75);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body:is([data-theme="dark"], [data-theme="midnight"]) .sidebar,
body:is([data-theme="dark"], [data-theme="midnight"]) .content-header,
body:is([data-theme="dark"], [data-theme="midnight"]) .editor-panel,
body:is([data-theme="dark"], [data-theme="midnight"]) .toolbar {
    background: var(--glass) !important;
    border-color: var(--glass-border) !important;
}

body:is([data-theme="dark"], [data-theme="midnight"]) input,
body:is([data-theme="dark"], [data-theme="midnight"]) select,
body:is([data-theme="dark"], [data-theme="midnight"]) textarea {
    background: rgba(15, 23, 42, 0.6) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
    color: #e2e8f0 !important;
}

body:is([data-theme="dark"], [data-theme="midnight"]) .hero-desc {
    color: #94a3b8;
}

body:is([data-theme="dark"], [data-theme="midnight"]) .panel-header {
    background: rgba(0, 0, 0, 0.25) !important;
    color: #e2e8f0 !important;
}

body:is([data-theme="dark"], [data-theme="midnight"]) textarea.code-textarea {
    background: rgba(15, 23, 42, 0.5) !important;
}

/* ==================== 工具页内嵌"小卡片"统一 ==================== */
.tool-page [style*="background: var(--bg-darker)"] {
    border-radius: var(--card-radius) !important;
    border: 1px solid rgba(0, 180, 216, 0.12);
    box-shadow: var(--shadow-card);
    background: var(--glass) !important;
    backdrop-filter: blur(12px);
}

/* ==================== 工具栏内 select 最小宽度补充 ==================== */
.toolbar select {
    min-width: 100px;
}

/* ==================== 输入聚焦光环加强 ==================== */
.toolbar input[type="text"]:focus,
.toolbar input[type="number"]:focus {
    transform: translateY(-1px);
}

/* ==================== 移动端兼容 ==================== */
@media (max-width: 768px) {
    .toolbar { padding: 10px 12px !important; }
    .hero-title { font-size: 17px; }
    .hero-icon { width: 40px; height: 40px; }
    .hero-icon svg { width: 22px; height: 22px; }
    .btn { padding: 0 14px !important; font-size: 13px !important; }
}

/* ==================== 全局输入控件统一规范化 ==================== */
/* 工具页中的所有 input/select/textarea，无论行内样式如何，强制使用统一玻璃外观 */
.tool-page input[type="text"],
.tool-page input[type="number"],
.tool-page input[type="password"],
.tool-page input[type="search"],
.tool-page select,
.tool-page textarea {
    font-family: inherit !important;
    font-size: 14px !important;
    background: var(--glass-strong) !important;
    border: 1px solid rgba(0, 180, 216, 0.18) !important;
    border-radius: var(--ctrl-radius) !important;
    color: var(--text-primary) !important;
    transition: all 0.25s !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.tool-page input[type="text"]:focus,
.tool-page input[type="number"]:focus,
.tool-page input[type="password"]:focus,
.tool-page input[type="search"]:focus,
.tool-page select:focus,
.tool-page textarea:focus {
    background: rgba(255, 255, 255, 0.96) !important;
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.15) !important;
    outline: none !important;
}

/* 暗色主题：tool-page 中的 focus 强制深色底，避免白底白字 */
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .tool-page input[type="text"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .tool-page input[type="number"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .tool-page input[type="password"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .tool-page input[type="search"]:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .tool-page select:focus,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .tool-page textarea:focus {
    background: rgba(15, 23, 42, 0.85) !important;
    color: #e2e8f0 !important;
}

/* ==================== 工具栏内 select 强制 padding（覆盖行内）==================== */
.toolbar select {
    padding: 0 30px 0 12px !important;
    min-width: 100px;
}

/* ==================== 工具栏内 textarea 自适应（无 height 限制）==================== */
.toolbar textarea { height: auto; }

/* ==================== 小标签 chip：行内文字标签包裹 ==================== */
.toolbar > span:not(.label-chip):not([class]) {
    display: inline-flex;
    align-items: center;
    height: var(--ctrl-height);
    padding: 0 6px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1;
    white-space: nowrap;
}

/* ==================== code-textarea 在 panel 内一致 ==================== */
.code-textarea {
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace !important;
    font-size: 13px !important;
    line-height: 1.7;
    padding: 14px 16px !important;
}

/* ==================== 卡片标题统一 ==================== */
.tool-page [style*="font-weight:bold"][style*="--accent-color"],
.tool-page [style*="font-weight: bold"][style*="--accent-color"] {
    font-size: 14px !important;
    letter-spacing: 0.3px;
}

/* ==================== 拖拽上传区美化 ==================== */
#hash-drop {
    background: var(--glass);
    backdrop-filter: blur(8px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#hash-drop:hover {
    border-color: var(--accent-color) !important;
    background: rgba(0, 180, 216, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 180, 216, 0.15);
}

/* ==================== 主题模态框美化 ==================== */
#theme-modal {
    backdrop-filter: blur(8px);
    background: rgba(15, 23, 42, 0.5) !important;
}

#theme-modal > div {
    border-radius: 20px !important;
    border: 1px solid var(--glass-border) !important;
}

.theme-card {
    border-radius: 14px;
    padding: 14px;
    background: var(--glass-strong);
    backdrop-filter: blur(12px);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-color);
}

.theme-card.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--hover-bg), 0 8px 24px var(--hover-bg);
}

.theme-preview {
    height: 90px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.theme-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.theme-desc {
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.85;
}

/* ==================== diff 输出着色 ==================== */
#diff-output del {
    background: rgba(239, 68, 68, 0.15);
    color: #b91c1c;
    text-decoration: line-through;
    padding: 0 2px;
    border-radius: 3px;
}

#diff-output ins {
    background: rgba(16, 185, 129, 0.15);
    color: #047857;
    text-decoration: none;
    padding: 0 2px;
    border-radius: 3px;
}

body:is([data-theme="dark"], [data-theme="midnight"]) #diff-output del { color: #fca5a5; background: rgba(239, 68, 68, 0.25); }
body:is([data-theme="dark"], [data-theme="midnight"]) #diff-output ins { color: #6ee7b7; background: rgba(16, 185, 129, 0.25); }

/* ==================== 代码片段列表项 ==================== */
#snip-list > div {
    padding: 10px 12px;
    background: var(--glass-strong);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

#snip-list > div:hover {
    border-color: var(--accent-color);
    transform: translateX(2px);
}

#snip-list > div.active {
    background: rgba(0, 180, 216, 0.12);
    border-color: var(--accent-color);
}

/* ==================== 列选择 chip ==================== */
#column-list label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--glass-strong);
    border-radius: 999px;
    border: 1px solid rgba(0, 180, 216, 0.18);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
}

#column-list label:hover {
    background: rgba(0, 180, 216, 0.08);
    border-color: var(--accent-color);
}

/* ==================== 音乐播放器玻璃化 ==================== */
#music-player {
    background: var(--glass-strong) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border) !important;
    border-radius: 20px !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15) !important;
}

/* ==================== content-title 旧标题彻底清除 ==================== */
.content-title { display: none !important; }

/* ==================== 暗色模式补充：小卡片背景 ==================== */
body:is([data-theme="dark"], [data-theme="midnight"]) .tool-page [style*="background: var(--bg-darker)"],
body:is([data-theme="dark"], [data-theme="midnight"]) .tool-page [style*="background:var(--bg-darker)"] {
    background: rgba(15, 23, 42, 0.55) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

body:is([data-theme="dark"], [data-theme="midnight"]) #snip-list > div {
    background: rgba(15, 23, 42, 0.6);
}

body:is([data-theme="dark"], [data-theme="midnight"]) #column-list label {
    background: rgba(15, 23, 42, 0.6);
    color: #e2e8f0;
}

body:is([data-theme="dark"], [data-theme="midnight"]) .theme-card {
    background: rgba(30, 41, 59, 0.75);
}

body:is([data-theme="dark"], [data-theme="midnight"]) .theme-name {
    color: #f1f5f9;
}

body:is([data-theme="dark"], [data-theme="midnight"]) #music-player {
    background: rgba(30, 41, 59, 0.75) !important;
}

/* ==================== nav-item 文字暗色对比 ==================== */
body:is([data-theme="dark"], [data-theme="midnight"]) .nav-item {
    color: #cbd5e1;
}

body:is([data-theme="dark"], [data-theme="midnight"]) .nav-item:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    color: #f1f5f9;
}

/* ==================== 顶部 hero 暗色 ==================== */
body:is([data-theme="dark"], [data-theme="midnight"]) .hero-title {
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==================== Sub-card 系统（工具页内嵌卡片）==================== */
.sub-card {
    background: var(--glass, rgba(255, 255, 255, 0.55));
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.6));
    border-radius: var(--card-radius, 14px);
    padding: 16px 18px;
    box-shadow: var(--shadow-card, 0 4px 16px rgba(0, 0, 0, 0.06));
    margin-bottom: 14px;
    transition: box-shadow 0.25s, transform 0.25s;
}

.sub-card:hover {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.sub-card-title {
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 12px;
    font-size: 14px;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sub-card-row {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.sub-card-row + .sub-card-row {
    margin-top: 10px;
}

.ctl-input {
    height: var(--ctrl-height, 40px);
    padding: 0 14px;
    box-sizing: border-box;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-panel);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.ctl-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--hover-bg, rgba(0, 180, 216, 0.12));
}

textarea.ctl-input {
    height: auto;
    min-height: 80px;
    padding: 10px 14px;
    line-height: 1.5;
    font-family: 'Consolas', 'Monaco', monospace;
}

.sub-label {
    color: var(--text-secondary);
    font-size: 12px;
    display: block;
    margin-bottom: 4px;
    letter-spacing: 0.2px;
}

/* sub-card 内的按钮也保持 40px 一致 */
.sub-card-row .btn {
    height: var(--ctrl-height, 40px);
    white-space: nowrap;
}

/* ==================== Sub-card 暗色适配 ==================== */
body[data-theme="dark"] .sub-card,
body[data-theme="midnight"] .sub-card {
    background: rgba(30, 41, 59, 0.55);
    border-color: rgba(96, 165, 250, 0.18);
}

body[data-theme="dark"] .ctl-input,
body[data-theme="midnight"] .ctl-input {
    background: rgba(15, 23, 42, 0.7);
    border-color: rgba(96, 165, 250, 0.25);
    color: #e2e8f0;
}

body[data-theme="dark"] .ctl-input:focus,
body[data-theme="midnight"] .ctl-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

/* ==================== 极光午夜主题（midnight）专属点缀 ==================== */
body[data-theme="midnight"] {
    color-scheme: dark;
}

body[data-theme="midnight"] .hero-title {
    background: linear-gradient(135deg, #7dd3fc 0%, #c084fc 50%, #f0abfc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body[data-theme="midnight"] .sidebar {
    border-right: 1px solid rgba(125, 211, 252, 0.15);
}

body[data-theme="midnight"] .nav-item {
    color: #cbd5e1;
}

body[data-theme="midnight"] .nav-item.active {
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.2), rgba(192, 132, 252, 0.2)) !important;
    color: #f0f9ff !important;
    box-shadow: 0 4px 14px rgba(125, 211, 252, 0.15);
}

body[data-theme="midnight"] .nav-item:hover {
    background: rgba(125, 211, 252, 0.1) !important;
    color: #f0f9ff;
}

body[data-theme="midnight"] .glass-card,
body[data-theme="midnight"] .main-content > div {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(125, 211, 252, 0.12);
}

body[data-theme="midnight"] input,
body[data-theme="midnight"] select,
body[data-theme="midnight"] textarea {
    background: rgba(15, 23, 42, 0.7) !important;
    color: #e2e8f0 !important;
    border-color: rgba(125, 211, 252, 0.2) !important;
}

body[data-theme="midnight"] .code-textarea {
    background: rgba(2, 6, 23, 0.85) !important;
    color: #a5f3fc !important;
}

body[data-theme="midnight"] .theme-card {
    background: rgba(30, 41, 59, 0.75);
}

body[data-theme="midnight"] .theme-name {
    color: #f1f5f9;
}

body[data-theme="midnight"] #music-player {
    background: rgba(30, 41, 59, 0.7) !important;
    border-color: rgba(125, 211, 252, 0.18) !important;
}

/* ========== MyBatis 生成器 Tab 切换 ========== */
.mb-tab {
    transition: all 0.2s ease;
    font-size: 13px;
    font-weight: 500;
}
.mb-tab:hover {
    background: var(--hover-bg) !important;
    color: var(--accent-color) !important;
}
.mb-tab.active {
    background: var(--hover-bg) !important;
    color: var(--accent-color) !important;
    border-bottom: 2px solid var(--accent-color);
}

/* ========== Spring 注解卡片 ========== */
.spring-item {
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.spring-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.spring-item .anno-name {
    color: var(--accent-color);
    font-weight: 600;
    font-family: 'Cascadia Code', monospace;
    font-size: 14px;
}
.spring-item .anno-cat {
    display: inline-block;
    padding: 2px 8px;
    background: var(--hover-bg);
    color: var(--accent-color);
    border-radius: 10px;
    font-size: 11px;
    align-self: flex-start;
}
.spring-item .anno-desc {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}
.spring-item .anno-example {
    background: var(--bg-panel);
    border-radius: 6px;
    padding: 8px 10px;
    font-family: monospace;
    font-size: 12px;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-all;
    border-left: 3px solid var(--accent-color);
}

/* ========== Vue Playground 组件侧栏 ========== */
.vp-group {
    margin-bottom: 6px;
}
.vp-group-title {
    color: var(--text-secondary);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 10px 8px 4px;
    opacity: 0.7;
    font-weight: 600;
}
.vp-item {
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.15s ease;
}
.vp-item:hover {
    background: var(--hover-bg);
    color: var(--accent-color);
}
.vp-item.active {
    background: var(--hover-bg);
    color: var(--accent-color);
    font-weight: 600;
}
.vp-doc-title {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
}
.vp-doc-desc {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 10px;
    line-height: 1.5;
}
.vp-doc-section {
    margin-top: 8px;
}
.vp-doc-section b {
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
    font-size: 12px;
}
.vp-doc-section pre {
    background: var(--bg-panel);
    border-radius: 6px;
    padding: 8px;
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
    border-left: 3px solid var(--accent-color);
}

/* ========== Element UI 组件文档表格（attrs/evts/slts/methods）========== */
.vp-doc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin: 4px 0 10px;
    table-layout: fixed;
}
.vp-doc-table thead th {
    background: var(--accent-color);
    color: #fff;
    text-align: left;
    padding: 6px 8px;
    font-weight: 600;
    font-size: 12px;
    border: 1px solid var(--border-color);
}
.vp-doc-table tbody td {
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: top;
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.5;
}
.vp-doc-table tbody tr:nth-child(odd) td {
    background: var(--bg-panel);
}
.vp-doc-table tbody tr:nth-child(even) td {
    background: var(--bg-darker);
}
.vp-doc-table tbody tr:hover td {
    background: var(--hover-bg);
}
.vp-doc-table code {
    background: rgba(0, 180, 216, 0.12);
    color: var(--accent-color);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 11.5px;
    white-space: nowrap;
}

/* 暗色主题文档表格适配 */
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .vp-doc-table tbody tr:nth-child(odd) td {
    background: rgba(15, 23, 42, 0.55);
}
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .vp-doc-table tbody tr:nth-child(even) td {
    background: rgba(15, 23, 42, 0.35);
}
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .vp-doc-table tbody td {
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.08);
}
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .vp-doc-table tbody tr:hover td {
    background: rgba(59, 130, 246, 0.18);
}

/* Playground 暗色主题 iframe 容器 */
body:is([data-theme="dark"], [data-theme="midnight"]) #vp-preview {
    background: #1f1f2e;
}

/* ========== Vue / ElementUI 文档页正文样式 ========== */
.vd-h2,
.eui-h2 {
    color: var(--accent-color);
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 8px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}
.vd-h3,
.eui-h3 {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    margin: 18px 0 6px;
    padding-left: 8px;
    border-left: 3px solid var(--accent-color);
}
.vd-desc,
.eui-desc {
    color: var(--text-secondary);
    font-size: 13.5px;
    line-height: 1.85;
    margin: 0 0 14px;
    white-space: pre-line;
}
.vd-code,
.eui-code {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 14px 16px;
    font-family: 'SF Mono', Consolas, Monaco, monospace;
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: auto;
    margin: 0 0 12px;
    white-space: pre;
}
.vd-tips,
.eui-tips {
    background: rgba(0, 180, 216, 0.08);
    border-left: 3px solid var(--accent-color);
    border-radius: 4px;
    padding: 10px 14px;
    margin: 14px 0 0;
    font-size: 13px;
}
.vd-tips-title,
.eui-tips-title {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 6px;
}
.vd-tips ul,
.eui-tips ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-primary);
}
.vd-tips li,
.eui-tips li {
    margin: 2px 0;
    line-height: 1.7;
}
/* 暗色主题代码块 */
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .vd-code,
body:is([data-theme="dark"], [data-theme="midnight"], [data-theme="cyberpunk"]) .eui-code {
    background: rgba(15, 23, 42, 0.65);
    border-color: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
}