/* about.css - Aurora Nexus v2.0 */

/* =========================================
   1. Design Tokens (Variables)
   ========================================= */
:root {
    /* Fonts: System preferred for speed & legibility */
    --font-main: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-serif: "Georgia", "Times New Roman", "Songti SC", serif;
    --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;

    /* Day Theme (晨曦) */
    --bg-base: #f2f4f7;
    --bg-grad-1: #a1c4fd;
    --bg-grad-2: #c2e9fb;

    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: 1px solid rgba(255, 255, 255, 0.9);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    --glass-blur: 20px;

    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --text-tertiary: #b2bec3;

    --accent: #6c5ce7;
    --accent-glow: rgba(108, 92, 231, 0.2);

    --dock-bg: rgba(255, 255, 255, 0.85);
    --radius: 24px;
    
    /* 渐变色彩 */
    --gradient-1: linear-gradient(135deg, #a1c4fd, #6c5ce7);
    --gradient-2: linear-gradient(135deg, #c2e9fb, #00cec9);
    --gradient-3: linear-gradient(135deg, #ff9a9e, #f093fb);
    --gradient-4: linear-gradient(135deg, #a8edea, #4facfe);
    --gradient-5: linear-gradient(135deg, #d299c2, #fef9d7);
}

[data-theme="night"] {
    /* Night Theme (霓虹) */
    --bg-base: #0f0f12;
    --bg-grad-1: #2d3436;
    --bg-grad-2: #000000;

    --glass-bg: rgba(30, 30, 35, 0.65);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);

    --text-primary: #dfe6e9;
    --text-secondary: #b2bec3;
    --text-tertiary: #636e72;

    --accent: #00cec9;
    --accent-glow: rgba(0, 206, 201, 0.4);

    --dock-bg: rgba(30, 30, 35, 0.9);
}

/* Global Reset */
* { box-sizing: border-box; margin: 0; padding: 0; outline: none; -webkit-tap-highlight-color: transparent; }
html { font-size: 16px; }
body {
    font-family: var(--font-main);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.5s, color 0.3s;
    min-height: 100vh;
}

/* Ambient Background */
.aurora-canvas {
    position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
}
.glow-spot {
    position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5;
    animation: float 20s infinite alternate;
}
.spot-1 { top: -10%; left: -10%; width: 50vw; height: 50vw; background: var(--bg-grad-1); }
.spot-2 { bottom: -10%; right: -10%; width: 60vw; height: 60vw; background: var(--bg-grad-2); animation-delay: -5s; }
.noise-layer {
    position: absolute; inset: 0; opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}
@keyframes float { 0% { transform: translate(0,0); } 100% { transform: translate(30px, 50px); } }

/* =========================================
   2. Universal Glass Components
   ========================================= */
.glass-nav, .bento-card, .glass-panel, .modal-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
}

.bento-card:hover, .glass-panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    border-color: var(--accent);
}

/* Typography Effects */
.gradient-text {
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
[data-theme="night"] .gradient-text { text-shadow: 0 0 20px var(--accent-glow); }

.neon-font { font-family: var(--font-mono); font-weight: 700; color: var(--text-primary); }
[data-theme="night"] .neon-font { color: #fff; text-shadow: 0 0 10px var(--accent); }

.glow-title {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(108, 92, 231, 0.3);
}

/* =========================================
   3. Navigation
   ========================================= */
/* Desktop Nav */
@media (min-width: 769px) {
    .glass-nav {
        position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
        width: 90%; max-width: 1200px; height: 68px; padding: 0 30px; z-index: 1000;
        border-radius: 100px;
    }
    .nav-inner { display: flex; justify-content: space-between; align-items: center; height: 100%; }

    .logo-brand { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700; color: var(--text-primary); text-decoration: none; }
    .logo-accent { color: var(--accent); font-size: 2rem; line-height: 0; }

    .nav-menu { display: flex; align-items: center; gap: 24px; }
    .nav-item {
        display: flex; align-items: center; gap: 6px; color: var(--text-secondary);
        text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: color 0.3s;
        padding: 8px 16px;
        border-radius: 20px;
    }
    .nav-item:hover, .nav-item.active { 
        color: var(--text-primary); 
        background: rgba(108, 92, 231, 0.1);
    }
    .nav-item i { font-size: 1.2rem; }

    .nav-divider { width: 1px; height: 20px; background: var(--text-tertiary); opacity: 0.3; }
    
    /* 增强主题和语言切换按钮样式 */
    .action-btn { 
        display: flex; align-items: center; gap: 4px; 
        color: var(--text-primary); 
        font-size: 0.9rem; 
        opacity: 0.8; 
        transition: all 0.3s;
        padding: 8px 16px;
        border-radius: 20px;
        background: rgba(128,128,128,0.1);
        border: none;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    .action-btn:hover { 
        opacity: 1; 
        background: var(--accent);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
    }
    .action-btn:active {
        transform: translateY(0);
    }
    [data-theme="day"] .icon-sun { display: none; }
    [data-theme="night"] .icon-moon { display: none; }
}

/* =========================================
   4. Layout: Bento Grid (Responsive)
   ========================================= */
.main-container { max-width: 1200px; margin: 120px auto 60px; padding: 0 30px; }

.bento-grid {
    display: grid; gap: 24px;
    /* PC: 3 Col, 2 Row Main */
    grid-template-columns: 320px 1fr 260px;
    grid-template-rows: 240px 220px auto;
    grid-template-areas:
        "profile bio stats"
        "profile bio mbti"
        "tech tech interests";
}

/* --- Areas --- */
.area-profile { grid-area: profile; }
.area-bio { grid-area: bio; }
.area-stats { grid-area: stats; }
.area-mbti { grid-area: mbti; }
.area-tech { grid-area: tech; }
.area-interests { grid-area: interests; }
.mobile-social { display: none; }

/* --- Profile Card --- */
.area-profile { padding: 30px; display: flex; flex-direction: column; justify-content: space-between; align-items: center; text-align: center; }
.avatar-ring {
    position: relative; width: 120px; height: 120px; border-radius: 50%;
    padding: 4px; border: 1px solid var(--text-tertiary);
}
.avatar-img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.status-dot {
    position: absolute; bottom: 0; right: 0; background: #2ecc71; color: #fff;
    font-size: 0.65rem; padding: 2px 8px; border-radius: 10px; border: 2px solid var(--bg-base);
}
.hero-name { font-size: 2rem; font-family: var(--font-serif); margin: 15px 0 5px; font-weight: 800; color: var(--text-primary); }
.hero-role { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 10px; }
.location-tag { font-size: 0.85rem; color: var(--text-tertiary); display: flex; align-items: center; justify-content: center; gap: 4px; }

.social-dock { display: flex; gap: 12px; margin-top: 20px; }
.s-icon {
    width: 36px; height: 36px; border-radius: 50%; background: rgba(128,128,128,0.1);
    display: flex; align-items: center; justify-content: center; color: var(--text-secondary);
    transition: all 0.3s; text-decoration: none;
}
.s-icon:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }

/* --- Bio Card --- */
.area-bio { padding: 35px; display: flex; flex-direction: column; justify-content: center; position: relative; }
.card-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px; color: var(--text-tertiary); margin-bottom: 15px; }
.bio-text { font-size: 1rem; color: var(--text-primary); margin-bottom: 20px; text-align: justify; }
.quote-box { border-left: 3px solid var(--accent); padding-left: 15px; font-style: italic; color: var(--text-secondary); font-size: 0.9rem; }

/* --- Stats --- */
.area-stats { display: flex; flex-direction: column; justify-content: space-around; padding: 20px 30px; }
.stat-item { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(128,128,128,0.1); padding: 10px 0; }
.stat-item:last-child { border-bottom: none; }
.stat-val { font-size: 1.5rem; }
.stat-key { font-size: 0.8rem; color: var(--text-tertiary); text-transform: uppercase; }

/* --- MBTI --- */
.area-mbti { padding: 30px; display: flex; align-items: center; }
.mbti-inner { width: 100%; }
.mbti-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.mbti-code { font-size: 2.2rem; font-weight: 900; font-family: var(--font-mono); }
.mbti-name { font-weight: 600; color: var(--text-secondary); }
.mbti-icon { font-size: 1.5rem; }
.mbti-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 15px; line-height: 1.5; }
.mbti-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-size: 0.75rem; background: rgba(128,128,128,0.1); padding: 4px 10px; border-radius: 6px; color: var(--text-secondary); }

/* --- Tech Stack (PC) --- */
.area-tech { display: flex; flex-direction: column; position: relative; overflow: hidden; }
.card-header { padding: 20px 25px; border-bottom: 1px solid rgba(128,128,128,0.1); }
.card-header h3 { font-size: 1.1rem; color: var(--text-primary); margin: 0; }
/* PC 3D Container */
.tech-wrapper { flex: 1; position: relative; min-height: 250px; width: 100%; }
.tech-tag-3d {
    position: absolute; 
    font-size: 0.85rem; 
    font-weight: 600; 
    color: var(--text-primary);
    padding: 6px 12px; 
    border-radius: 6px;
    user-select: none; 
    white-space: nowrap;
    backface-visibility: hidden;
    /* 移除背景色和边框，只保留文字渐变效果 */
    background: none;
    border: none;
    /* 添加文字渐变 */
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    pointer-events: none; /* 禁用鼠标事件避免干扰 */
}
[data-theme="night"] .tech-tag-3d { 
    color: #00cec9; 
}

/* 不同颜色的标签 */
.tech-tag-3d.tag-color-1, .tech-tag-mobile.tag-color-1 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tech-tag-3d.tag-color-2, .tech-tag-mobile.tag-color-2 {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tech-tag-3d.tag-color-3, .tech-tag-mobile.tag-color-3 {
    background: var(--gradient-3);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tech-tag-3d.tag-color-4, .tech-tag-mobile.tag-color-4 {
    background: var(--gradient-4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tech-tag-3d.tag-color-5, .tech-tag-mobile.tag-color-5 {
    background: var(--gradient-5);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* --- Interests --- */
.area-interests { padding: 20px; }
.interest-list { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 15px; 
    height: 100%; 
    align-content: center;
}
.interest-item { 
    background: rgba(128,128,128,0.05); 
    padding: 15px; 
    border-radius: 12px; 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    transition: background 0.3s;
}
.interest-item:hover { background: rgba(128,128,128,0.1); }
.i-emoji { font-size: 1.5rem; }
.i-text { display: flex; flex-direction: column; min-width: 0; } /* 添加 min-width: 0 防止溢出 */
.i-text strong { 
    font-size: 0.9rem; 
    color: var(--text-primary);
    /* 为兴趣标签添加渐变色彩 */
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.i-text span { 
    font-size: 0.75rem; 
    color: var(--text-tertiary);
    /* 为兴趣描述添加渐变色彩 */
    background: var(--gradient-2);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* =========================================
   5. Content Sections (Blog/Github)
   ========================================= */
.content-section { 
    display: flex; 
    flex-direction: column; 
    gap: 24px; 
    margin-top: 40px; 
}
.col-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 20px; 
}
.glow-title { 
    font-size: 1.3rem; 
    font-weight: 700; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    color: var(--text-primary); 
}
.more-link { 
    font-size: 0.9rem; 
    color: var(--accent); 
    font-weight: 600; 
    text-decoration: none;
}

.glass-panel { 
    padding: 20px; 
    min-height: 300px; 
}

/* Github Lists */
.projects-list { 
    margin-top: 15px; 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
    max-height: 400px; 
    overflow-y: auto; 
}
.repo-card {
    padding: 15px; 
    background: rgba(128,128,128,0.05); 
    border-radius: 12px; 
    cursor: pointer;
    border: 1px solid transparent; 
    transition: border 0.3s;
}
.repo-card:hover { 
    border-color: var(--accent); 
}
.repo-head { 
    display: flex; 
    justify-content: space-between; 
    font-weight: 700; 
    color: var(--text-primary); 
    font-size: 0.95rem; 
}
.repo-desc { 
    font-size: 0.8rem; 
    color: var(--text-secondary); 
    margin-top: 6px; 
    display: -webkit-box; 
    -webkit-line-clamp: 2; 
    -webkit-box-orient: vertical; 
    overflow: hidden; 
}

/* Blog List */
.blog-list { 
    display: flex; 
    flex-direction: column; 
    gap: 12px; 
}
.blog-item {
    padding: 12px 16px; 
    border-radius: 12px; 
    background: rgba(128,128,128,0.03);
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    cursor: pointer; 
    transition: background 0.3s;
}
.blog-item:hover { 
    background: rgba(128,128,128,0.08); 
}
.b-info { 
    flex: 1; 
    min-width: 0; 
    margin-right: 15px; 
}
.b-title { 
    font-weight: 600; 
    font-size: 0.95rem; 
    color: var(--text-primary); 
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis; 
}
.b-date { 
    font-size: 0.75rem; 
    color: var(--text-tertiary); 
}
.b-cat { 
    font-size: 0.75rem; 
    color: var(--accent); 
    background: rgba(128,128,128,0.1); 
    padding: 2px 8px; 
    border-radius: 4px; 
    white-space: nowrap; 
}

/* Loading Skeleton */
.skeleton-card { 
    height: 60px; 
    background: rgba(128,128,128,0.1); 
    border-radius: 10px; 
    animation: pulse 1.5s infinite; 
}
@keyframes pulse { 
    0% { opacity: 0.6; } 
    50% { opacity: 1; } 
    100% { opacity: 0.6; } 
}

/* Comments */
.comments-wrapper { 
    margin: 40px 0 80px; 
}
.comment-box { 
    padding: 30px; 
}

/* =========================================
   6. Tablet Adaptive (768px - 1024px)
   ========================================= */
@media (min-width: 769px) and (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "profile stats"
            "profile mbti"
            "bio bio"
            "tech tech"
            "interests interests";
        grid-template-rows: auto;
    }
    .area-profile { flex-direction: row; gap: 20px; }
    .content-section { 
        display: flex; 
        flex-direction: column; 
    }
    
    /* 修复平板模式下兴趣模块的高度问题 */
    .interest-list {
        grid-template-columns: 1fr 1fr;
        max-height: 150px; /* 限制高度 */ 
        overflow: hidden;
    }
    
    .i-text {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }
    
    .i-text strong, .i-text span {
        white-space: nowrap;
    }
    
    /* 兴趣模块文本渐变色彩 */
    .i-text strong {
        background: var(--gradient-1);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
    
    .i-text span {
        background: var(--gradient-2);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
}

/* =========================================
   7. Mobile Layout (< 768px)
   ========================================= */
@media (max-width: 768px) {
    .main-container { 
        margin: 20px auto 100px; 
        padding: 0 16px; 
    }

    /* Bottom Dock */
    .glass-nav {
        position: fixed; 
        top: auto; 
        bottom: 0; 
        left: 0; 
        width: 100%; 
        height: auto;
        border-radius: 0; 
        background: var(--dock-bg); 
        backdrop-filter: blur(12px) saturate(120%);
        -webkit-backdrop-filter: blur(12px) saturate(120%);
        border-top: 1px solid rgba(128,128,128,0.1);
        padding-bottom: env(safe-area-inset-bottom);
        z-index: 1000;
    }
    .logo-brand, .nav-divider { 
        display: none; 
    }
    .nav-menu { 
        width: 100%; 
        justify-content: space-around; 
        padding: 10px 0; 
        display: flex;
    }
    .nav-item { 
        flex-direction: column; 
        gap: 2px; 
        font-size: 0.7rem; 
        padding: 8px 0;
        color: var(--text-secondary);
    }
    .nav-item i { 
        font-size: 1.4rem; 
    }
    .nav-label { 
        font-size: 10px; 
        color: var(--text-primary);
    }
    .nav-item.active { 
        color: var(--text-primary);
    }
    .action-btn .btn-text { 
        display: none; 
    }
    .action-btn { 
        font-size: 1.2rem; 
        padding: 8px; 
        background: rgba(128,128,128,0.08);
        border-radius: 12px;
        transition: all 0.2s ease;
    }
    .action-btn.is-active {
        background: rgba(108, 92, 231, 0.25);
        color: #fff;
    }

    /* Stacking Bento */
    .bento-grid { 
        display: flex; 
        flex-direction: column; 
        gap: 16px; 
    }

    /* Profile Mobile */
    .area-profile { 
        padding: 20px; 
        flex-direction: row; 
        gap: 15px; 
        align-items: center; 
        text-align: left; 
    }
    .avatar-ring { 
        width: 80px; 
        height: 80px; 
        padding: 2px; 
        margin: 0; 
    }
    .status-dot { 
        right: 0; 
        bottom: 0; 
        width: 12px; 
        height: 12px; 
        font-size: 0; 
        padding: 0; 
    }
    .hero-name { 
        margin: 0 0 4px; 
        font-size: 1.5rem; 
    }
    .hero-role { 
        font-size: 0.8rem; 
        margin-bottom: 6px; 
    }
    .location-tag { 
        justify-content: flex-start; 
    }
    .desktop-social { 
        display: none; 
    }

    /* Mobile Stats */
    .area-stats { 
        flex-direction: row; 
        padding: 15px; 
    }
    .stat-item { 
        flex-direction: column; 
        border-bottom: none; 
        border-right: 1px solid rgba(128,128,128,0.1); 
        padding: 0 10px; 
        flex: 1; 
        text-align: center; 
    }
    .stat-item:last-child { 
        border-right: none; 
    }
    .stat-val { 
        font-size: 1.2rem; 
    }

    /* Mobile Tech Scroll (Horizontal) */
    .area-tech { 
        height: auto; 
    }
    .tech-wrapper { 
        display: none; 
    } /* Hide PC wrapper */
    .tech-wrapper.mobile-scroll {
        display: grid;
        height: auto;
        min-height: 120px;
        grid-template-rows: repeat(3, 30px); /* 三行，每行30px */
        grid-auto-flow: column;
        gap: 10px;
        overflow-x: auto;
        padding: 10px 0 20px;
        scroll-snap-type: x mandatory;
        /* 添加淡入淡出效果 */
        mask-image: linear-gradient(
            to right,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%
        );
        -webkit-mask-image: linear-gradient(
            to right,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%
        );
        /* 添加持续滚动动画 */
        animation: scrollLine 15s linear infinite;
    }
    
    @keyframes scrollLine {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }
    
    .tech-tag-mobile {
        scroll-snap-align: start;
        padding: 6px 12px;
        border-radius: 20px;
        font-size: 0.8rem;
        font-family: var(--font-mono);
        white-space: nowrap;
        border: none;
        font-weight: bold;
        /* 添加文字渐变效果 */
        background: var(--gradient-1);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        pointer-events: none;
    }

    /* Mobile Social */
    .mobile-social { 
        display: flex; 
        justify-content: space-around; 
        padding: 20px; 
    }
    .ms-btn { 
        width: 40px; 
        height: 40px; 
        border-radius: 50%; 
        background: rgba(128,128,128,0.1); 
        display: flex; 
        align-items: center; 
        justify-content: center; 
        color: var(--text-secondary); 
        font-size: 1.4rem; 
    }

    .content-section { 
        display: flex; 
        flex-direction: column; 
    }
    
    /* 修复兴趣模块在移动端的溢出问题 */
    .interest-list {
        grid-template-columns: 1fr;
        max-height: none;
    }
    
    .interest-item {
        min-width: 0;
    }
    
    .i-text {
        min-width: 0;
    }
    
    /* 修复移动端兴趣模块标签和描述在同一行 */
    .i-text {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    
    .i-text strong, .i-text span {
        white-space: nowrap;
    }
    
    /* 兴趣模块文本渐变色彩 */
    .i-text strong {
        background: var(--gradient-1);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
    
    .i-text span {
        background: var(--gradient-2);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
}

/* =========================================
   8. Modal & Footer
   ========================================= */
.modal-overlay {
    position: fixed; 
    inset: 0; 
    z-index: 2000; 
    background: rgba(0,0,0,0.6); 
    backdrop-filter: blur(8px);
    display: none; 
    align-items: center; 
    justify-content: center;
}
.modal-glass { 
    width: 300px; 
    padding: 30px; 
    text-align: center; 
    position: relative; 
}
.modal-close { 
    position: absolute; 
    top: 15px; 
    right: 15px; 
    font-size: 1.5rem; 
    color: var(--text-secondary); 
}
.qr-box { 
    margin: 20px 0; 
}
.qr-box img { 
    width: 100%; 
    border-radius: 12px; 
}
.qr-fallback { 
    padding: 40px; 
    background: #eee; 
    border-radius: 12px; 
    font-size: 0.8rem; 
}

.site-footer { 
    text-align: center; 
    color: var(--text-tertiary); 
    font-size: 0.75rem; 
    padding-bottom: 100px; 
}