/* ========================================
   NEXUS 导航终端 - 赛博朋克样式系统 v3.0
   ======================================== */

/* 全局变量定义 */
:root {
    /* 赛博朋克配色方案 */
    --cyber-cyan: #00f0ff;
    --cyber-purple: #8b5cf6;
    --cyber-pink: #ff00ff;
    --cyber-blue: #0066ff;
    --cyber-green: #00ff88;
    --cyber-red: #ff3366;

    /* 背景色 */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;

    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: #a5b4fc;
    --text-muted: #606070;

    /* 玻璃态效果 */
    --glass-bg: rgba(10, 10, 10, 0.2);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(20, 20, 20, 0.35);

    /* 霓虹光效 */
    --neon-glow-cyan: 0 0 10px rgba(0, 240, 255, 0.5),
                     0 0 20px rgba(0, 240, 255, 0.3),
                     0 0 40px rgba(0, 240, 255, 0.2);
    --neon-glow-purple: 0 0 10px rgba(139, 92, 246, 0.5),
                       0 0 20px rgba(139, 92, 246, 0.3),
                       0 0 40px rgba(139, 92, 246, 0.2);
    --neon-glow-pink: 0 0 10px rgba(255, 0, 255, 0.5),
                     0 0 20px rgba(255, 0, 255, 0.3),
                     0 0 40px rgba(255, 0, 255, 0.2);

    /* 色散效果 (Chromatic Aberration) */
    --chromatic-red: 2px 0 0 rgba(255, 51, 102, 0.5);
    --chromatic-blue: -2px 0 0 rgba(0, 240, 255, 0.5);

    /* 字体 */
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-display: 'JetBrains Mono', sans-serif;

    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* ========================================
   HUD 扫描线与杂讯效果 (Scanline & Noise)
   ======================================== */
.hud-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: overlay;
}

/* 扫描线效果 */
.hud-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    opacity: 1;
}

/* 数字杂讯效果 */
.hud-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.015;
    animation: noiseMove 0.5s steps(10) infinite;
}

@keyframes noiseMove {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-1%, -1%); }
    20% { transform: translate(1%, 1%); }
    30% { transform: translate(-1%, 1%); }
    40% { transform: translate(1%, -1%); }
    50% { transform: translate(-1%, 0); }
    60% { transform: translate(1%, 0); }
    70% { transform: translate(0, 1%); }
    80% { transform: translate(0, -1%); }
    90% { transform: translate(1%, 1%); }
}

/* 鼠标局部杂讯区域 */
.cursor-noise {
    position: fixed;
    width: 150px;
    height: 150px;
    pointer-events: none;
    z-index: 10000;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    animation: noiseFlicker 0.1s infinite;
}

@keyframes noiseFlicker {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ========================================
   数据流装饰 (Data Stream)
   ======================================== */
.data-stream-panel {
    position: fixed;
    bottom: 20px;
    left: 20px;
    padding: 15px 20px;
    background: rgba(10, 10, 15, 0.9);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 10px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--cyber-cyan);
    z-index: 100;
    backdrop-filter: blur(2px);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.data-stream-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 5px 0;
    opacity: 0.8;
}

.data-stream-label {
    color: var(--text-muted);
    min-width: 60px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.data-stream-value {
    color: var(--cyber-cyan);
    text-shadow: 0 0 5px rgba(0, 240, 255, 0.5);
}

.data-stream-value.changing {
    animation: valueFlash 0.3s ease;
}

@keyframes valueFlash {
    0% { color: var(--cyber-green); }
    100% { color: var(--cyber-cyan); }
}

.data-stream-indicator {
    width: 6px;
    height: 6px;
    background: var(--cyber-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--cyber-green);
    animation: indicatorPulse 2s ease-in-out infinite;
}

@keyframes indicatorPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* ========================================
   Matrix Rain 命令面板动画
   ======================================== */
.matrix-rain-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.command-palette.active .matrix-rain-container {
    opacity: 1;
}

.matrix-column {
    position: absolute;
    top: -100%;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--cyber-green);
    text-shadow: 0 0 5px rgba(0, 255, 136, 0.8);
    writing-mode: vertical-rl;
    animation: matrixFall 1s linear forwards;
}

@keyframes matrixFall {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(300vh); opacity: 0; }
}

/* ========================================
   共享元素传送门过渡 (Portal Transition)
   ======================================== */
.portal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.portal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.portal-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--cyber-cyan) 0%, var(--cyber-purple) 50%, transparent 70%);
    transform: scale(0);
    animation: portalExpand 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes portalExpand {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(50);
        opacity: 0;
    }
}

.portal-loading {
    position: relative;
    z-index: 1;
    text-align: center;
    opacity: 0;
    animation: portalFadeIn 0.3s ease 0.4s forwards;
}

@keyframes portalFadeIn {
    to { opacity: 1; }
}

.portal-spinner {
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top-color: var(--cyber-cyan);
    border-right-color: var(--cyber-purple);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: portalSpin 0.8s linear infinite;
}

@keyframes portalSpin {
    to { transform: rotate(360deg); }
}

.portal-text {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--cyber-cyan);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* ========================================
   卡片传送门触发动画
   ======================================== */
.bookmark-card.portaling {
    animation: cardPortalOut 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    pointer-events: none;
}

@keyframes cardPortalOut {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
        filter: blur(10px);
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--cyber-cyan), var(--cyber-purple));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--cyber-purple), var(--cyber-pink));
}

/* ========================================
   Three.js 粒子背景
   ======================================== */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ========================================
   鼠标跟随光晕效果
   ======================================== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    mix-blend-mode: screen;
}

/* ========================================
   命令面板 (Command Palette)
   ======================================== */
.command-palette-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.command-palette-overlay.active {
    opacity: 1;
    visibility: visible;
}

.command-palette {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 600px;
    background: rgba(18, 18, 26, 0.95);
    border: 1px solid var(--cyber-cyan);
    border-radius: 16px;
    box-shadow: var(--neon-glow-cyan),
                0 20px 60px rgba(0, 0, 0, 0.8);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Matrix rain entry animation */
.command-palette.matrix-opening {
    animation: matrixAssemble 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes matrixAssemble {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
        filter: blur(10px);
    }
    50% {
        opacity: 0.5;
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        filter: blur(0);
    }
}

.command-palette.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.cp-header {
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--glass-border);
    gap: 15px;
}

.cp-icon {
    color: var(--cyber-cyan);
    font-size: 1.2rem;
    animation: pulse 2s ease-in-out infinite;
}

.cp-header input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    outline: none;
}

.cp-header input::placeholder {
    color: var(--text-muted);
}

.cp-shortcut {
    padding: 6px 12px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--cyber-cyan);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--cyber-cyan);
}

.cp-results {
    max-height: 400px;
    overflow-y: auto;
    padding: 10px;
}

.cp-result-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 15px;
}

.cp-result-item:hover,
.cp-result-item.selected {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--cyber-cyan);
}

.cp-result-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.2);
    border-radius: 8px;
    color: var(--cyber-purple);
}

.cp-result-info h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.cp-result-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.cp-footer {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 15px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
}

.cp-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cp-hint kbd {
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

/* ========================================
   粒子设置面板 Overlay
   ======================================== */
.settings-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.settings-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   粒子设置面板
   ======================================== */
.settings-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    background: rgba(18, 18, 26, 0.98);
    border: 1px solid var(--cyber-cyan);
    border-radius: 16px;
    box-shadow: var(--neon-glow-cyan),
                0 20px 60px rgba(0, 0, 0, 0.8);
    z-index: 10002;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.settings-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

/* ========================================
   设置面板头部
   ======================================== */
.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0, 240, 255, 0.05);
}

.settings-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--cyber-cyan);
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
}

.settings-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.preset-selector {
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-selector:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.btn-reset,
.btn-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-reset:hover,
.btn-close:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
    transform: scale(1.05);
}

/* ========================================
   设置面板内容区域
   ======================================== */
.settings-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ========================================
   设置面板导航（侧边栏）
   ======================================== */
.settings-nav {
    width: 200px;
    padding: 20px 0;
    border-right: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.settings-nav-item:hover {
    background: rgba(0, 240, 255, 0.05);
    color: var(--text-primary);
}

.settings-nav-item.active {
    background: rgba(0, 240, 255, 0.1);
    border-left-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
}

.settings-nav-item i {
    width: 20px;
    text-align: center;
}

/* ========================================
   设置面板控制容器
   ======================================== */
.settings-controls {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.settings-tab {
    display: none;
}

.settings-tab.active {
    display: block;
    animation: tabFadeIn 0.3s ease;
}

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

/* ========================================
   设置组
   ======================================== */
.settings-group {
    margin-bottom: 30px;
}

.settings-group-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cyber-purple);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.settings-group-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--cyber-purple), transparent);
}

/* ========================================
   单个控件
   ======================================== */
.settings-control {
    margin-bottom: 20px;
}

.control-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.control-value {
    color: var(--cyber-cyan);
    font-weight: 600;
    min-width: 60px;
    text-align: right;
}

/* ========================================
   范围滑块样式
   ======================================== */
.control-slider {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.control-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--cyber-cyan), var(--cyber-purple));
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    transition: all 0.2s ease;
}

.control-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.8);
}

.control-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--cyber-cyan), var(--cyber-purple));
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    transition: all 0.2s ease;
}

.control-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.8);
}

.control-range {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   颜色选择器样式
   ======================================== */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.control-color {
    width: 50px;
    height: 35px;
    border: 2px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    background: transparent;
    transition: all 0.2s ease;
}

.control-color:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.color-hex {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--cyber-cyan);
}

/* ========================================
   复选框样式
   ======================================== */
.control-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    position: relative;
}

.control-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-icon {
    width: 24px;
    height: 24px;
    border: 2px solid var(--cyber-cyan);
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    box-shadow: 0 0 5px rgba(0, 240, 255, 0.2);
    position: relative;
}

.control-checkbox:hover .checkbox-icon {
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

/* 当input被选中时，找到同级的checkbox-icon */
.control-checkbox input:checked ~ .checkbox-icon {
    background: var(--cyber-cyan);
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.8),
                inset 0 0 10px rgba(255, 255, 255, 0.3);
}

/* 使用伪元素创建勾号 */
.checkbox-icon::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 12px;
    border: solid #000;
    border-width: 0 2.5px 2.5px 0;
    opacity: 0;
    transform: rotate(45deg) scale(0);
    transition: all 0.2s ease;
    top: 3px;
}

.control-checkbox input:checked ~ .checkbox-icon::before {
    opacity: 1;
    transform: rotate(45deg) scale(1);
}

/* ========================================
   图标选择器
   ======================================== */
.icon-picker {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    max-height: 250px;
    overflow-y: auto;
}

.icon-picker-item {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
    font-size: 1rem;
}

.icon-picker-item:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
    transform: scale(1.1);
}

.icon-picker-item.selected {
    background: var(--cyber-cyan);
    border-color: var(--cyber-cyan);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.6);
}

.icon-picker::-webkit-scrollbar {
    width: 6px;
}

.icon-picker::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.icon-picker::-webkit-scrollbar-thumb {
    background: var(--cyber-cyan);
    border-radius: 3px;
}

/* ========================================
   导航标签编辑器
   ======================================== */
.nav-editor-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.2s ease;
}

.nav-editor-item:hover {
    border-color: var(--cyber-purple);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

.nav-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.nav-editor-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--cyber-cyan);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-editor-actions {
    display: flex;
    gap: 10px;
}

.nav-btn-delete,
.nav-btn-add {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-btn-delete:hover {
    background: rgba(255, 50, 50, 0.2);
    border-color: #ff3232;
    color: #ff3232;
}

.nav-btn-add:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
}

.nav-editor-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.nav-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-field-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.nav-field input {
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.nav-field input:focus {
    outline: none;
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.nav-icon-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-icon-selector:hover {
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.nav-icon-selector i {
    width: 24px;
    text-align: center;
    color: var(--cyber-cyan);
}

.nav-icon-selector span {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.nav-add-section {
    background: rgba(0, 240, 255, 0.05);
    border: 2px dashed var(--cyber-cyan);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    margin-top: 20px;
}

.nav-add-btn {
    padding: 12px 30px;
    background: var(--cyber-cyan);
    border: none;
    border-radius: 8px;
    color: #000;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-add-btn:hover {
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
    transform: translateY(-2px);
}

/* ========================================
   图标选择弹窗
   ======================================== */
.icon-picker-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 10003;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.icon-picker-modal.active {
    opacity: 1;
    visibility: visible;
}

.icon-picker-modal-content {
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: rgba(18, 18, 26, 0.98);
    border: 1px solid var(--cyber-cyan);
    border-radius: 16px;
    box-shadow: var(--neon-glow-cyan);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.icon-picker-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0, 240, 255, 0.05);
}

.icon-picker-modal-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--cyber-cyan);
}

.icon-picker-modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.icon-picker-modal-close:hover {
    background: rgba(255, 50, 50, 0.2);
    border-color: #ff3232;
    color: #ff3232;
}

.icon-picker-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.icon-category {
    margin-bottom: 25px;
}

.icon-category-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--cyber-purple);
    margin-bottom: 12px;
}

.icon-category-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 8px;
}

.icon-category-grid .icon-picker-item {
    width: 40px;
    height: 40px;
}

/* ========================================
   设置面板底部
   ======================================== */
.settings-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 25px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
}

.performance-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stat-item i {
    color: var(--cyber-green);
}

.keyboard-hints {
    display: flex;
    gap: 20px;
}

.hint {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hint kbd {
    padding: 3px 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    font-family: var(--font-mono);
}

/* ========================================
   设置按钮（右下角）
   ======================================== */
.settings-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 15, 0.9);
    border: 2px solid var(--cyber-purple);
    border-radius: 50%;
    color: var(--cyber-purple);
    font-size: 1.3rem;
    cursor: pointer;
    backdrop-filter: blur(4px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.4),
                0 5px 20px rgba(0, 0, 0, 0.5);
    z-index: 100;
    transition: all 0.3s ease;
}

.settings-button:hover {
    transform: translateY(-3px) rotate(90deg);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.7),
                0 10px 30px rgba(0, 0, 0, 0.6);
    border-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
}

/* ========================================
   设置面板滚动条样式
   ======================================== */
.settings-controls::-webkit-scrollbar {
    width: 8px;
}

.settings-controls::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.settings-controls::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--cyber-cyan), var(--cyber-purple));
    border-radius: 4px;
}

.settings-controls::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--cyber-purple), var(--cyber-pink));
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .settings-button {
        bottom: 25px;
        right: 25px;
        width: 48px;
        height: 48px;
    }

    .settings-panel {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    .settings-button {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }

    .settings-panel {
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
        border: none;
    }

    .settings-nav {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        padding: 15px;
    }

    .settings-nav-item {
        flex-shrink: 0;
        padding: 10px 15px;
        border-left: none;
        border-bottom: 3px solid transparent;
    }

    .settings-nav-item.active {
        border-left: none;
        border-bottom-color: var(--cyber-cyan);
    }

    .settings-content {
        flex-direction: column;
    }

    .settings-controls {
        padding: 20px;
    }

    .settings-footer {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* ========================================
   主容器
   ======================================== */
.main-container {
    position: relative;
    z-index: 2;
    max-width: 1600px;
    margin: 0 auto;
    padding: 40px 30px;
}

/* ========================================
   头部区域
   ======================================== */
.header {
    text-align: center;
    margin-bottom: 50px;
}

/* Logo 区域 */
.logo-section {
    margin-bottom: 40px;
    position: relative;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    position: relative;
}

.logo-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(139, 92, 246, 0.2));
    border: 2px solid var(--cyber-cyan);
    border-radius: 16px;
    font-size: 2rem;
    color: var(--cyber-cyan);
    box-shadow: var(--neon-glow-cyan);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--cyber-cyan), var(--cyber-purple), var(--cyber-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 4px;
    text-shadow: var(--neon-glow-cyan);
    animation: gradientShift 5s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.logo-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-top: 5px;
}

.logo-decoration {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyber-cyan), var(--cyber-purple), var(--cyber-pink), transparent);
    animation: expandLine 2s ease-in-out infinite;
}

@keyframes expandLine {
    0%, 100% { transform: translateX(-50%) scaleX(0.8); opacity: 0.5; }
    50% { transform: translateX(-50%) scaleX(1); opacity: 1; }
}

/* ========================================
   紧凑型赛博时钟组件 (右上角)
   ======================================== */
.cyber-clock-compact {
    position: fixed;
    top: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    background: rgba(10, 10, 15, 0.8);
    border: 1px solid var(--cyber-cyan);
    border-radius: 15px;
    backdrop-filter: blur(2px);
    box-shadow: var(--neon-glow-cyan),
                0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 100;
    transition: all 0.3s ease;
}

.cyber-clock-compact:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.6),
                0 15px 50px rgba(0, 0, 0, 0.6);
    border-color: var(--cyber-purple);
}

.clock-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid var(--cyber-cyan);
    border-radius: 10px;
    color: var(--cyber-cyan);
    font-size: 1.2rem;
    animation: clockPulse 2s ease-in-out infinite;
}

@keyframes clockPulse {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 240, 255, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.6); }
}

.clock-time {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-display);
}

.time-hours,
.time-minutes,
.time-seconds {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--cyber-cyan);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    min-width: 24px;
    text-align: center;
}

.time-sep {
    font-size: 1.2rem;
    color: var(--cyber-purple);
    margin: 0 2px;
}

.time-sep.blink {
    animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.clock-date {
    position: absolute;
    bottom: -20px;
    right: 0;
    font-size: 0.7rem;
    color: var(--text-secondary);
    white-space: nowrap;
    letter-spacing: 1px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cyber-clock-compact:hover .clock-date {
    opacity: 1;
}

/* ========================================
   科幻搜索栏
   ======================================== */
.search-section {
    max-width: 700px;
    margin: 0 auto 30px;
    position: relative;
}

.search-container {
    position: relative;
}

.search-bar {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(2px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.search-bar:focus-within {
    border-color: var(--cyber-cyan);
    box-shadow: var(--neon-glow-cyan),
                0 20px 60px rgba(0, 0, 0, 0.5);
    background: var(--glass-hover);
}

.search-icon-wrapper {
    position: relative;
    margin-right: 15px;
}

.search-icon-wrapper i {
    font-size: 1.3rem;
    color: var(--cyber-cyan);
}

.search-scan-line {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid transparent;
    border-top-color: var(--cyber-cyan);
    border-radius: 50%;
    animation: scan 2s linear infinite;
}

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

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    outline: none;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-actions {
    display: flex;
    gap: 10px;
}

.search-btn {
    padding: 10px 16px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--cyber-cyan);
    border-radius: 20px;
    color: var(--cyber-cyan);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-btn:hover {
    background: rgba(0, 240, 255, 0.2);
    box-shadow: var(--neon-glow-cyan);
    transform: translateY(-2px);
}

.search-decoration {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    padding: 0 40px;
}

.deco-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyber-cyan), transparent);
    animation: pulseLine 2s ease-in-out infinite;
}

.deco-line:nth-child(2) {
    animation-delay: 0.3s;
}

.deco-line:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes pulseLine {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 快捷提示 */
.quick-hints {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
}

.hint-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hint-item kbd {
    padding: 4px 8px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--cyber-cyan);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--cyber-cyan);
}

/* ========================================
   分类导航
   ======================================== */
.category-nav {
    margin-bottom: 40px;
    position: relative;
}

.nav-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: #000000 !important;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-item:hover {
    border-color: var(--cyber-cyan);
    color: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
}

.nav-item:hover::before {
    opacity: 1;
}

.nav-item.active {
    background: #000000 !important;
    border: 2px solid var(--cyber-cyan);
    color: var(--cyber-cyan);
    box-shadow: var(--neon-glow-cyan);
}

.nav-icon {
    font-size: 1rem;
}

.nav-text {
    font-weight: 500;
}

.nav-glow {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyber-cyan), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-item.active .nav-glow {
    opacity: 1;
}

.nav-track {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

/* ========================================
   书签容器
   ======================================== */
.bookmarks-container {
    position: relative;
}

.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
}

.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.grid-lines.horizontal {
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 99px,
        rgba(0, 240, 255, 0.03) 100px
    );
}

.grid-lines.vertical {
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 99px,
        rgba(0, 240, 255, 0.03) 100px
    );
}

.bookmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    position: relative;
    z-index: 1;
}

/* ========================================
   书签卡片 (3D Tilt + 色散效果 + 霓虹边框 + 品牌色)
   ======================================== */
.bookmark-card {
    position: relative;
    background: var(--glass-bg), var(--category-bg, rgba(0, 0, 0, 0));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: visible;
    transform-style: preserve-3d;
    perspective: 1000px;
    animation: cardFadeIn 0.6s ease-out backwards;
}

/* 分类角标 */
.card-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--badge-color, #888);
    color: #000;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 8px 0 8px 0;
    box-shadow: 0 0 10px var(--badge-color, #888);
    z-index: 10;
    font-family: var(--font-mono);
    letter-spacing: 1px;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(40px) rotateX(-10deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

/* 卡片内容容器 - 用于视差效果 */
.bookmark-card-content {
    position: relative;
    z-index: 2;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

/* 视差阴影 */
.bookmark-card-shadow {
    position: absolute;
    bottom: -20px;
    left: 10%;
    width: 80%;
    height: 20px;
    background: radial-gradient(ellipse, rgba(0, 0, 0, 0.4) 0%, transparent 70%);
    filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 0;
    z-index: 1;
}

.bookmark-card:hover .bookmark-card-shadow {
    opacity: 1;
    transform: translateY(10px) scale(1.1);
}

/* 卡片光晕背景 - 使用品牌色 */
.bookmark-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
                               var(--brand-glow, rgba(0, 240, 255, 0.15)) 0%,
                               transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: 20px;
}

.bookmark-card:hover::before {
    opacity: 1;
}

/* 霓虹边框效果 */
.bookmark-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
                               var(--cyber-cyan),
                               var(--cyber-purple),
                               var(--cyber-pink),
                               var(--cyber-cyan));
    background-size: 400% 400%;
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    animation: none;
    transition: opacity 0.3s ease;
}

.bookmark-card:hover::after {
    opacity: 1;
    animation: borderGlow 3s ease infinite;
}

@keyframes borderGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.bookmark-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
                0 0 30px var(--brand-glow, rgba(0, 240, 255, 0.5));
    border-color: var(--category-border, var(--cyber-cyan));
    background: var(--glass-hover);
}

/* 色散效果 - 红色偏移 */
.bookmark-card:hover .card-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: inherit;
    opacity: 0.5;
    clip-path: inset(0 0 0 0);
    transform: translateX(3px);
    filter: url(#chromaticRed);
}

/* 色散效果 - 蓝色偏移 */
.bookmark-card:hover .card-icon::before {
    transform: translateX(-3px);
    filter: url(#chromaticBlue);
}

/* 卡片图标 */
.card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--brand-glow, rgba(0, 240, 255, 0.2)), rgba(139, 92, 246, 0.1));
    border: 2px solid var(--brand-glow, var(--cyber-cyan));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: var(--brand-glow, var(--cyber-cyan));
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    box-shadow: 0 0 20px var(--brand-glow, rgba(0, 240, 255, 0.3));
    pointer-events: none; /* Ensure drag events bubble to card */
}

.bookmark-card img {
    pointer-events: none;
    -webkit-user-drag: none;
    user-select: none;
}

.card-icon::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border: 1px solid var(--brand-glow, var(--cyber-cyan));
    border-radius: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bookmark-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 25px var(--brand-glow, rgba(0, 240, 255, 0.6)),
                0 8px 30px var(--brand-glow, rgba(0, 240, 255, 0.3));
}

.bookmark-card:hover .card-icon::before {
    opacity: 1;
    animation: iconPulse 1.5s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.08); opacity: 1; }
}

/* 分组卡片图标包装器 */
.card-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

/* 分组卡片数字徽标 - 右下角重叠 */
.card-icon-count {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: var(--brand-glow, var(--cyber-cyan));
    color: #000;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    box-shadow: 0 0 10px var(--brand-glow, rgba(0, 240, 255, 0.5));
    z-index: 10;
}

/* 图标流光动画 - 品牌色 */
.card-icon i {
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.bookmark-card:hover .card-icon i {
    animation: iconGlow 2s ease-in-out infinite;
}

@keyframes iconGlow {
    0%, 100% {
        text-shadow: 0 0 10px var(--brand-glow, rgba(0, 240, 255, 0.8)),
                     0 0 20px var(--brand-glow, rgba(0, 240, 255, 0.6));
        transform: scale(1);
    }
    50% {
        text-shadow: 0 0 20px var(--brand-glow, rgba(0, 240, 255, 1)),
                     0 0 40px var(--brand-glow, rgba(0, 240, 255, 0.8));
        transform: scale(1.05);
    }
}

/* 卡片标题 */
.card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* 卡片描述 */
.card-desc {
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

/* 卡片分类标签 */
.card-category {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--cyber-cyan);
    font-family: var(--font-mono);
    text-align: center;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 卡片点击波纹效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.6) 0%, transparent 70%);
    transform: scale(0);
    animation: rippleEffect 0.6s ease-out;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 拖拽克隆体样式 */
.drag-clone {
    position: fixed;
    z-index: 1000;
    pointer-events: none;
    transition: transform 0.1s linear, box-shadow 0.3s ease;
    transform-origin: center center;
    will-change: transform, left, top;
}

/* 拖拽时的卡片样式 */
.bookmark-card.is-dragging {
    opacity: 0;
}

/* 占位符样式 */
.drag-placeholder {
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
}

/* 弹簧动力学过渡 - 更新卡片默认过渡 */
.bookmark-card {
    /* 使用弹簧缓动 */
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                opacity 0.3s ease, 
                box-shadow 0.3s ease;
}

/* 拖拽中禁用过渡以提高性能 */
.bookmark-card.no-transition {
    transition: none !important;
}

/* 合并高亮 */
.bookmark-card.merge-target {
    transform: scale(1.05);
    box-shadow: 0 0 0 4px var(--cyber-cyan), 0 0 30px var(--cyber-cyan);
    z-index: 999;
}

/* 分组卡片展开效果 - 模块分裂重组（内部展开） */
.bookmark-card-group {
    position: relative;
    overflow: visible;
    width: 100%;
    height: 280px;
    padding: 8px 8px 0 8px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 主模块区 - 默认居中，hover时上移收缩 */
.card-main-module {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
    padding: 30px 20px 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-main-info {
    text-align: center;
    transition: all 0.4s ease;
}

/* Hover时主模块变化 - 轻微收缩 */
.bookmark-card-group:hover .card-main-module {
    transform: translateY(-15px) scale(0.92);
    padding: 20px 15px 10px;
}

.bookmark-card-group:hover .card-icon {
    width: 70px;
    height: 70px;
    font-size: 2.2rem;
    opacity: 0;
}

.bookmark-card-group:hover .card-main-info {
    opacity: 0;
}

.bookmark-card-group:hover .card-icon-count {
    opacity: 0;
}

/* 子项网格区 - 几何布局，居中显示 */
.card-subitems-grid {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.85);
    display: grid;
    gap: 10px;
    padding: 10px;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: calc(100% - 40px);
    max-width: 240px;
    max-height: 240px;
    align-content: center;
    justify-content: center;
    pointer-events: none;
}

/* Hover时子项网格展开 */
.bookmark-card-group:hover .card-subitems-grid {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    transition-delay: 0.08s;
    pointer-events: auto;
}

/* 五边形时使用圆形布局 */
.card-subitems-grid[data-items="5"] {
    position: absolute;
    width: 170px;
    height: 170px;
    padding: 0;
}

.card-subitems-grid[data-items="5"] .card-subitem {
    position: absolute;
    width: 42px;
    height: 42px;
}

/* 五边形 - 围绕中心圆形排列 (半径55px) */
/* 顶点1: 顶部 (270度/-90度) - x=0, y=-55 */
.card-subitems-grid[data-items="5"] .card-subitem:nth-child(1) {
    left: calc(50% + 0px);
    top: calc(50% - 55px);
    transform: translate(-50%, -50%);
}

/* 顶点2: 右上 (342度/-18度) - x=52, y=-17 */
.card-subitems-grid[data-items="5"] .card-subitem:nth-child(2) {
    left: calc(50% + 52px);
    top: calc(50% - 17px);
    transform: translate(-50%, -50%);
}

/* 顶点3: 右下 (54度) - x=32, y=44 */
.card-subitems-grid[data-items="5"] .card-subitem:nth-child(3) {
    left: calc(50% + 32px);
    top: calc(50% + 44px);
    transform: translate(-50%, -50%);
}

/* 顶点4: 左下 (126度) - x=-32, y=44 */
.card-subitems-grid[data-items="5"] .card-subitem:nth-child(4) {
    left: calc(50% - 32px);
    top: calc(50% + 44px);
    transform: translate(-50%, -50%);
}

/* 顶点5: 左上 (198度) - x=-52, y=-17 */
.card-subitems-grid[data-items="5"] .card-subitem:nth-child(5) {
    left: calc(50% - 52px);
    top: calc(50% - 17px);
    transform: translate(-50%, -50%);
}

/* 3个子项 - 三角形布局 (1个顶部，2个底部) */
.card-subitems-grid[data-items="3"] {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.card-subitems-grid[data-items="3"] .card-subitem:nth-child(1) {
    grid-column: 2;
    grid-row: 1;
}

.card-subitems-grid[data-items="3"] .card-subitem:nth-child(2) {
    grid-column: 1;
    grid-row: 2;
}

.card-subitems-grid[data-items="3"] .card-subitem:nth-child(3) {
    grid-column: 3;
    grid-row: 2;
}

/* 4个子项 - 方形布局 (2x2网格) */
.card-subitems-grid[data-items="4"] {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.card-subitems-grid[data-items="4"] .card-subitem:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
}

.card-subitems-grid[data-items="4"] .card-subitem:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
}

.card-subitems-grid[data-items="4"] .card-subitem:nth-child(3) {
    grid-column: 1;
    grid-row: 2;
}

.card-subitems-grid[data-items="4"] .card-subitem:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
}

/* Hover时子项网格展开 */
.bookmark-card-group:hover .card-subitems-grid {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    transition-delay: 0.08s;
    pointer-events: auto;
}

/* 子项样式 */
.card-subitem {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 子项图标容器 - 方形黑色背景 */
.subitem-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1 / 1;
    padding: 0;
    background: rgba(20, 20, 20, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s ease;
}

/* ChatGPT 特殊背景 - 更亮以凸显暗色图标 */
.card-subitem[data-glow="#10a37f"] .subitem-icon-wrapper {
    background: rgba(240, 240, 240, 0.95);
    border-color: rgba(16, 163, 127, 0.3);
}

.subitem-icon-wrapper i {
    font-size: 2.5rem;
    color: var(--item-glow, var(--cyber-cyan));
    z-index: 1;
    transition: all 0.3s ease;
}

.subitem-icon-wrapper img.subitem-logo {
    width: 70%;
    height: 70%;
    object-fit: contain;
    z-index: 1;
    transition: all 0.3s ease;
}

/* 3项布局时缩小图标及容器尺寸 (折腾组等) */
.card-subitems-grid[data-items="3"] .subitem-icon-wrapper {
    width: 75px;
    margin: 0 auto;
}

.card-subitems-grid[data-items="3"] .subitem-icon-wrapper i {
    font-size: 1.7rem;
}

/* 2x2布局时缩小图标及容器尺寸 (AI平台等) */
.card-subitems-grid[data-items="4"] .subitem-icon-wrapper {
    width: 75px;
    margin: 0 auto;
}

.card-subitems-grid[data-items="4"] .subitem-icon-wrapper i {
    font-size: 1.7rem;
}

/* 五边形布局时缩小图标 */
.card-subitems-grid[data-items="5"] .subitem-icon-wrapper i {
    font-size: 1.4rem;
}

.card-subitems-grid[data-items="5"] .subitem-icon-wrapper img.subitem-logo {
    width: 55%;
    height: 55%;
}

.card-subitems-grid[data-items="5"] .subitem-title {
    font-size: 0.5rem;
}

.card-subitems-grid[data-items="5"] .subitem-icon-wrapper {
    border-radius: 10px;
}

/* 子项依次出现动画 - 从中心向四周扩散 */
.bookmark-card-group:hover .card-subitem {
    animation: subitemEmerge 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.bookmark-card-group:hover .card-subitem:nth-child(1) { animation-delay: 0.05s; }
.bookmark-card-group:hover .card-subitem:nth-child(2) { animation-delay: 0.1s; }
.bookmark-card-group:hover .card-subitem:nth-child(3) { animation-delay: 0.15s; }
.bookmark-card-group:hover .card-subitem:nth-child(4) { animation-delay: 0.2s; }
.bookmark-card-group:hover .card-subitem:nth-child(5) { animation-delay: 0.25s; }

@keyframes subitemEmerge {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.7);
    }
    60% {
        transform: translateY(-5px) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 子项扫描线效果 - 位于图标内 */
.subitem-scanner {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: 12px;
    pointer-events: none;
    z-index: 2;
}

.subitem-scanner::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg,
        transparent 0%,
        var(--item-glow, var(--cyber-cyan)) 50%,
        transparent 100%);
    opacity: 0.3;
    animation: scanMove 2.5s linear infinite;
}

@keyframes scanMove {
    0% { top: -100%; }
    100% { top: 200%; }
}

/* 子项发光背景 - 位于图标内 */
.subitem-glow {
    position: absolute;
    inset: -2px;
    border-radius: 14px;
    background: radial-gradient(circle at center,
        var(--item-glow, var(--cyber-cyan)) 0%,
        transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

/* 子项Hover效果 */
.card-subitem:hover .subitem-icon-wrapper {
    border-color: var(--item-glow, var(--cyber-cyan));
    box-shadow: 0 0 25px var(--item-glow, rgba(0, 240, 255, 0.5));
}

.card-subitem:hover .subitem-icon-wrapper i {
    transform: scale(1.12);
    filter: drop-shadow(0 0 12px var(--item-glow, var(--cyber-cyan)));
}

.card-subitem:hover .subitem-glow {
    opacity: 0.2;
}

.card-subitem:hover .subitem-scanner {
    opacity: 0.6;
}

/* 子项信息 */
.subitem-info {
    text-align: center;
    position: relative;
    z-index: 1;
}

.subitem-title {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

/* 数据流动画线 - 卡片内部 */
.card-data-flow {
    position: absolute;
    top: 120px;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    opacity: 0;
    overflow: hidden;
    z-index: 0;
}

.bookmark-card-group:hover .card-data-flow {
    opacity: 1;
}

.flow-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--brand-glow, var(--cyber-cyan)) 50%,
        transparent 100%);
    opacity: 0;
}

.bookmark-card-group:hover .flow-line {
    animation: flowAnimation 1.2s ease-out forwards;
}

.flow-line-1 {
    top: 20%;
    left: -100%;
    width: 60%;
    animation-delay: 0.15s;
}

.flow-line-2 {
    top: 40%;
    right: -80%;
    width: 50%;
    animation-delay: 0.25s;
}

.flow-line-3 {
    top: 60%;
    left: -100%;
    width: 70%;
    animation-delay: 0.35s;
}

.flow-line-4 {
    top: 80%;
    right: -100%;
    width: 55%;
    animation-delay: 0.45s;
}

.flow-line-5 {
    top: 90%;
    left: -100%;
    width: 60%;
    animation-delay: 0.55s;
}

@keyframes flowAnimationRight {
    0% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 0.6; }
    100% { opacity: 0; transform: translateX(250%); }
}

@keyframes flowAnimationLeft {
    0% { opacity: 0; transform: translateX(100%); }
    50% { opacity: 0.6; }
    100% { opacity: 0; transform: translateX(-250%); }
}

.flow-line-1, .flow-line-3, .flow-line-5 {
    animation-name: flowAnimationRight;
}

.flow-line-2, .flow-line-4 {
    animation-name: flowAnimationLeft;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    margin-top: 60px;
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--glass-border);
    position: relative;
}

.footer-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.deco-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--cyber-green);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.deco-dot {
    width: 8px;
    height: 8px;
    background: var(--cyber-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyber-green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.footer-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   页面过渡效果
   ======================================== */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
}

.page-transition.active {
    opacity: 1;
    visibility: visible;
}

.transition-content {
    text-align: center;
}

.transition-circle {
    width: 100px;
    height: 100px;
    border: 3px solid transparent;
    border-top-color: var(--cyber-cyan);
    border-right-color: var(--cyber-purple);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.transition-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--cyber-cyan);
    letter-spacing: 5px;
    animation: blink 0.5s ease-in-out infinite;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .cyber-clock-compact {
        top: 20px;
        right: 20px;
        padding: 12px 20px;
        gap: 12px;
    }

    .time-hours,
    .time-minutes,
    .time-seconds {
        font-size: 1.2rem;
        min-width: 20px;
    }

    .bookmarks-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .main-container {
        padding: 30px 20px;
    }

    .logo-main {
        font-size: 1.8rem;
    }

    .cyber-clock-compact {
        top: 15px;
        right: 15px;
        padding: 10px 15px;
        gap: 10px;
    }

    .clock-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .time-hours,
    .time-minutes,
    .time-seconds {
        font-size: 1rem;
        min-width: 18px;
    }

    .time-sep {
        font-size: 0.9rem;
    }

    .clock-date {
        display: none;
    }

    .search-bar {
        padding: 15px 20px;
    }

    .nav-item {
        padding: 12px 18px;
        font-size: 0.85rem;
    }

    .nav-text {
        display: none;
    }

    .bookmarks-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 15px;
    }

    .quick-hints {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .bookmarks-grid {
        grid-template-columns: 1fr;
    }

    .logo {
        flex-direction: column;
        gap: 15px;
    }

    .logo-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* ========================================
   工具动画
   ======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ========================================
   无障碍焦点样式
   ======================================== */
*:focus-visible {
    outline: 2px solid var(--cyber-cyan);
    outline-offset: 2px;
}

button:focus-visible,
input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--bg-primary),
                0 0 0 4px var(--cyber-cyan);
}

/* ========================================
   书签编辑功能样式
   ======================================== */

/* 编辑按钮 */
.bookmark-edit-button {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(10, 10, 15, 0.9);
    border: 2px solid var(--cyber-cyan);
    border-radius: 50%;
    color: var(--cyber-cyan);
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.bookmark-edit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.7);
    border-color: var(--cyber-purple);
    color: var(--cyber-purple);
}

.bookmark-edit-button.active {
    background: var(--cyber-cyan);
    color: #000;
    animation: editPulse 1.5s ease-in-out infinite;
}

@keyframes editPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.4); }
    50% { box-shadow: 0 0 40px rgba(0, 240, 255, 0.8); }
}

/* 编辑模式下的网格 */
.bookmarks-grid.edit-mode {
    user-select: none;
}

.bookmarks-grid.edit-mode .bookmark-card {
    cursor: move;
    position: relative;
    transition: all 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    animation: cardWiggle 0.3s ease-in-out infinite;
    animation-play-state: paused;
    -webkit-user-drag: element;
    transform-style: flat !important; /* Disable 3D to fix drag issues */
    z-index: 10;
}

.bookmarks-grid.edit-mode .bookmark-card:nth-child(even) {
    animation-direction: alternate;
}

.bookmarks-grid.edit-mode .bookmark-card:nth-child(odd) {
    animation-direction: alternate-reverse;
}

.bookmarks-grid.edit-mode .bookmark-card.dragging {
    animation: none;
    opacity: 0.5;
    transform: scale(0.95);
    box-shadow: 0 20px 60px rgba(0, 240, 255, 0.5);
}

/* 激活抖动动画 */
.bookmarks-grid.edit-mode .bookmark-card:not(.dragging):not(.drag-over) {
    animation-play-state: running;
}

@keyframes cardWiggle {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(1deg); }
    75% { transform: rotate(-1deg); }
    100% { transform: rotate(0deg); }
}

.bookmarks-grid.edit-mode .bookmark-card:hover {
    transform: translateY(-5px);
    z-index: 10;
    animation-play-state: paused;
}

.bookmarks-grid.edit-mode .bookmark-card.drag-over {
    border: 2px dashed var(--cyber-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

/* 卡片编辑控制按钮 */
.card-edit-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
    z-index: 15;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bookmarks-grid.edit-mode .bookmark-card:hover .card-edit-controls,
.bookmarks-grid.edit-mode .card-edit-controls {
    opacity: 1;
}

.card-control-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.card-control-btn:hover {
    transform: scale(1.1);
}

.card-control-btn.btn-edit:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
}

.card-control-btn.btn-delete:hover {
    background: rgba(255, 50, 50, 0.2);
    border-color: var(--cyber-red);
    color: var(--cyber-red);
}

/* 书签编辑对话框 */
.bookmark-editor-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 10003;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.bookmark-editor-modal.active {
    opacity: 1;
    visibility: visible;
}

.bookmark-editor-modal-content {
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    background: rgba(18, 18, 26, 0.98);
    border: 1px solid var(--cyber-cyan);
    border-radius: 16px;
    box-shadow: var(--neon-glow-cyan), 0 20px 60px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 对话框头部 */
.bookmark-editor-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0, 240, 255, 0.05);
}

.bookmark-editor-modal-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--cyber-cyan);
    margin: 0;
}

.bookmark-editor-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.bookmark-editor-modal-close:hover {
    background: rgba(255, 50, 50, 0.2);
    border-color: var(--cyber-red);
    color: var(--cyber-red);
}

/* 类型选择器 */
.editor-type-selector {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.type-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.type-btn:hover {
    border-color: var(--cyber-cyan);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.type-btn.active {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

/* 对话框主体 */
.bookmark-editor-modal-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
}

/* 表单样式 */
.bookmark-form .form-group {
    margin-bottom: 20px;
}

.bookmark-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.bookmark-form .form-group.half {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--cyber-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    background: rgba(0, 0, 0, 0.7);
}

.form-textarea {
    resize: vertical;
    min-height: 60px;
}

.form-color {
    width: 100%;
    height: 45px;
    padding: 5px;
    cursor: pointer;
}

/* 输入框带操作按钮 */
.input-with-action {
    display: flex;
    gap: 10px;
}

.input-with-action .form-input {
    flex: 1;
}

/* 图标选择器 */
.icon-selector-wrapper {
    display: flex;
    gap: 10px;
}

.icon-input {
    flex: 1;
}

.btn-icon-picker,
.btn-icon-preview,
.btn-fetch-favicon {
    padding: 12px 16px;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid var(--cyber-purple);
    border-radius: 8px;
    color: var(--cyber-purple);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-icon-picker:hover,
.btn-icon-preview:hover,
.btn-fetch-favicon:hover {
    background: rgba(139, 92, 246, 0.3);
    border-color: var(--cyber-cyan);
    color: var(--cyber-cyan);
    transform: translateY(-2px);
}

.btn-fetch-favicon {
    padding: 12px 15px;
}

.icon-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    margin-top: 10px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-size: 2rem;
    color: var(--cyber-cyan);
}

.icon-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 子项列表 */
.items-list {
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 15px;
}

.item-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.item-row:hover {
    border-color: var(--cyber-cyan);
}

.item-drag-handle {
    cursor: grab;
    color: var(--text-muted);
}

.item-drag-handle:active {
    cursor: grabbing;
}

.item-inputs {
    flex: 1;
    display: grid;
    grid-template-columns: 2fr 3fr 60px;
    gap: 10px;
}

.item-input {
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.item-input:focus {
    outline: none;
    border-color: var(--cyber-cyan);
}

.item-color {
    width: 100%;
    height: 38px;
    padding: 3px;
    cursor: pointer;
}

.btn-item-remove {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: var(--cyber-red);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-item-remove:hover {
    background: rgba(255, 50, 50, 0.2);
    border-color: var(--cyber-red);
    transform: scale(1.1);
}

.btn-add-item {
    width: 100%;
    padding: 12px;
    background: rgba(0, 240, 255, 0.1);
    border: 2px dashed var(--cyber-cyan);
    border-radius: 8px;
    color: var(--cyber-cyan);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-add-item:hover {
    background: rgba(0, 240, 255, 0.2);
    border-style: solid;
    transform: translateY(-2px);
}

/* 对话框底部 */
.bookmark-editor-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding: 20px 25px;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
}

.btn {
    padding: 12px 30px;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--cyber-cyan);
    border: none;
    color: #000;
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
    transform: translateY(-2px);
}

/* 编辑提示消息 */
.edit-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 12px 24px;
    background: rgba(0, 240, 255, 0.9);
    border: 1px solid var(--cyber-cyan);
    border-radius: 8px;
    color: #000;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 10004;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.edit-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 表单错误 */
.form-error {
    padding: 12px 16px;
    background: rgba(255, 50, 50, 0.2);
    border: 1px solid var(--cyber-red);
    border-radius: 8px;
    color: var(--cyber-red);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: 15px;
    text-align: center;
    animation: shake 0.5s ease;
}

/* 添加书签按钮（编辑模式下的浮动按钮） */
.add-bookmark-fab {
    position: fixed;
    bottom: 150px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--cyber-cyan);
    border: none;
    border-radius: 50%;
    color: #000;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: scale(0);
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

.bookmarks-grid.edit-mode ~ .add-bookmark-fab {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.add-bookmark-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.7);
}

/* ========================================
   实时合并样式
   ======================================== */

/* 合并预览状态 */
.bookmark-card.merge-preview {
    border: 3px dashed #ff00ff !important;
    box-shadow:
        0 0 40px rgba(255, 0, 255, 0.6),
        inset 0 0 30px rgba(255, 0, 255, 0.3) !important;
    animation: mergePulse 0.5s ease-in-out infinite;
    transform: scale(1.05);
    z-index: 100;
}

@keyframes mergePulse {
    0%, 100% {
        box-shadow:
            0 0 40px rgba(255, 0, 255, 0.6),
            inset 0 0 30px rgba(255, 0, 255, 0.3);
    }
    50% {
        box-shadow:
            0 0 60px rgba(255, 0, 255, 0.8),
            inset 0 0 40px rgba(255, 0, 255, 0.5);
    }
}

/* 合并倒计时指示器 */
.merge-countdown-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border: 4px solid #ff00ff;
    border-radius: 50%;
    z-index: 101;
    animation: countdownSpin 0.5s linear infinite;
    pointer-events: none;
}

.merge-countdown-indicator::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 4px solid transparent;
    border-top-color: #00f0ff;
    border-radius: 50%;
    animation: countdownSpin 1s linear infinite reverse;
}

@keyframes countdownSpin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
        opacity: 0.5;
    }
}

/* 拖拽时的卡片样式增强 */
.bookmark-card.dragging {
    opacity: 0.6;
    transform: scale(1.02) !important;
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 40px var(--cyber-cyan);
    z-index: 1000;
    cursor: grabbing;
    /* 拖拽时禁用过渡，避免冲突 */
    transition: opacity 0.2s ease, box-shadow 0.2s ease !important;
}

/* iPhone风格拖拽占位符 */
.drag-placeholder {
    border: 2px dashed var(--cyber-cyan);
    background: rgba(0, 240, 255, 0.1);
    border-radius: 12px;
    min-height: 140px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: placeholderPulse 2s ease-in-out infinite;
}

.drag-placeholder .placeholder-inner {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyber-cyan);
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.drag-placeholder .placeholder-inner::before {
    content: '放置位置';
    opacity: 0.6;
}

@keyframes placeholderPulse {
    0%, 100% {
        border-color: var(--cyber-cyan);
        background: rgba(0, 240, 255, 0.1);
    }
    50% {
        border-color: var(--cyber-magenta);
        background: rgba(255, 0, 255, 0.15);
    }
}

/* 吸附动画 */
.bookmark-card.merging {
    animation: mergeSnap 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes mergeSnap {
    0% {
        transform: scale(1.05);
        opacity: 1;
    }
    50% {
        transform: scale(1.15);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}