/*
  Author: 夏师傅
  Contact: xsfnb@qq.com
  Website: xsfnb.com
  Copyright © 2025. All Rights Reserved.
*/
:root {
    --bg-color-light: #f0f2f5;
    --card-bg-light: rgba(255, 255, 255, 0.6); /* 增加透明度 */
    --card-border-light: rgba(0, 0, 0, 0.08);
    --text-primary-light: #1c1c1e;
    --text-secondary-light: #6c757d;
    --shadow-light: 0 8px 32px rgba(0, 0, 0, 0.1);
    --glow-light: 0 0 20px rgba(0, 123, 255, 0.2);
    --aurora-opacity-light: 0.15;
    --spotlight-bg-light: radial-gradient(circle at var(--x) var(--y), rgba(0, 123, 255, 0.15) 0%, rgba(0, 123, 255, 0) 50%);
    --gloss-gradient-light: linear-gradient(160deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 50%);

    --bg-color-dark: #101014;
    --card-bg-dark: rgba(28, 28, 32, 0.5); /* 增加透明度 */
    --card-border-dark: rgba(255, 255, 255, 0.1);
    --text-primary-dark: #f0f0f5;
    --text-secondary-dark: #a0a0b0;
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.35);
    --glow-dark: 0 0 25px rgba(0, 123, 255, 0.3);
    --aurora-opacity-dark: 0.2;
    --spotlight-bg-dark: radial-gradient(circle at var(--x) var(--y), rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 40%);
    --gloss-gradient-dark: linear-gradient(160deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 50%);
    
    --accent-color: #007bff;
    --youtube: #ff0000;
    --telegram: #0088cc;
    --monitor: #22c55e;
}

html[data-theme='light'] {
    --bg-color: var(--bg-color-light);
    --card-bg: var(--card-bg-light);
    --card-border: var(--card-border-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --shadow: var(--shadow-light);
    --glow: var(--glow-light);
    --aurora-opacity: var(--aurora-opacity-light);
    --spotlight-bg: var(--spotlight-bg-light);
    --gloss-gradient: var(--gloss-gradient-light);
}

html[data-theme='dark'] {
    --bg-color: var(--bg-color-dark);
    --card-bg: var(--card-bg-dark);
    --card-border: var(--card-border-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --shadow: var(--shadow-dark);
    --glow: var(--glow-dark);
    --aurora-opacity: var(--aurora-opacity-dark);
    --spotlight-bg: var(--spotlight-bg-dark);
    --gloss-gradient: var(--gloss-gradient-dark);
}

/* Lenis Smooth Scroll Styles */
html.lenis {
  height: auto;
}
.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

/* X Logo Theme Styling */
html[data-theme='light'] .twitter-card .icon {
    filter: none;
}
html[data-theme='dark'] .twitter-card .icon {
    filter: invert(1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', "Microsoft YaHei", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.5s ease, color 0.5s ease;
    -webkit-font-smoothing: antialiased;
}

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--card-border);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 100% { transform: rotate(360deg); } }
.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

body::before {
    content: '';
    position: fixed;
    width: 600px;
    height: 600px;
    filter: blur(150px);
    -webkit-filter: blur(150px);
    background: linear-gradient(135deg, #ff00c3, #007bff, #22c55e);
    opacity: var(--aurora-opacity);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: aurora-spin 20s ease-in-out infinite alternate;
    z-index: -1;
    transition: opacity 0.5s ease;
    will-change: transform;
}

@keyframes aurora-spin {
    from { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
    to { transform: translate(-50%, -50%) rotate(360deg) scale(1.5); }
}

/* FIX: .bento-grid 替换为 main.bento-grid 以匹配 HTML 语义化修改 */
main.bento-grid {
    width: 100%;
    max-width: 900px;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(4, 1fr);
    position: relative;
}

/* --- LIQUID GLASS EFFECT --- */
.grid-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px); /* 增强模糊效果 */
    -webkit-backdrop-filter: blur(16px); /* 增强模糊效果 */
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.5s ease, border-color 0.5s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.grid-item:hover {
    transform: translateY(-8px) scale(1.02); /* 增强悬停效果 */
    box-shadow: var(--shadow), var(--glow);
    z-index: 2;
}

/* 反射/光泽层 */
.grid-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--gloss-gradient);
    pointer-events: none;
    border-radius: 1.5rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.grid-item:hover::after {
    opacity: 1;
}

/* 鼠标光斑层 (折射) */
.grid-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: var(--spotlight-bg);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 3;
}
.grid-item:hover::before {
    opacity: 1;
}
/* --- END LIQUID GLASS EFFECT --- */

.profile-card { grid-column: 1 / 3; grid-row: 1 / 3; }
.stats-card { grid-column: 3 / 5; grid-row: 1 / 2; }
.contact-card { grid-column: 3 / 5; grid-row: 2 / 3; }
.social-card { grid-row: 3 / 4; }
.twitter-card { grid-column: 1 / 2; }
.youtube-card { grid-column: 2 / 3; }
.telegram-card { grid-column: 3 / 4; }
.line-card { grid-column: 4 / 5; }
.music-card { grid-column: 1 / 3; grid-row: 4 / 5; }
.hobby-card { grid-column: 3 / 5; grid-row: 4 / 5; }
.footer-card { grid-column: 1 / 5; grid-row: 5 / 6; }

.profile-card { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
/* FIX: 移除了无效的 loading: lazy; CSS 属性 */
.avatar img { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; border: 3px solid rgba(255,255,255,0.8); margin-bottom: 1.5rem; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
.name { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.intro { font-size: 1.1rem; color: var(--text-secondary); max-width: 90%; min-height: 1.5em; }

.stats-card { display: flex; flex-direction: column; justify-content: space-around; }
.stat-item { padding: 0.5rem 0; font-size: 0.9rem; border-bottom: 1px solid var(--card-border); transition: border-color 0.5s ease; display: flex; align-items: center; }
.stat-item:last-child { border-bottom: none; }
.stat-item i { margin-right: 0.75rem; color: var(--accent-color); width: 20px; text-align: center; }

.social-card { display: flex; justify-content: center; align-items: center; padding: 1rem; }
.social-card .social-link { display: flex; flex-direction: column; justify-content: center; align-items: center; text-decoration: none; color: var(--text-primary); width: 100%; height: 100%; gap: 0.5rem; transition: transform 0.2s ease; }
.social-card .social-link:hover { transform: scale(1.1); }
.social-card .icon { font-size: 2rem; transition: color 0.3s ease, text-shadow 0.3s ease, filter 0.5s ease; animation: breathing 3s ease-in-out infinite; will-change: transform; }
.social-card .platform { font-size: 0.8rem; }

@keyframes breathing { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.youtube-card .icon { animation-delay: 0.2s; }
.telegram-card .icon { animation-delay: 0.4s; }
.line-card .icon { animation-delay: 0.6s; }
.twitter-card .icon { width: 1.8rem; height: 1.8rem; font-size: initial; }
.youtube-card .icon { color: var(--youtube); }
.telegram-card .icon { color: var(--telegram); }

.contact-card { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.section-title { font-size: 0.9rem; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 1rem; }
.email { padding: 0.75rem 1.5rem; background: var(--accent-color); border-radius: 50px; color: white; text-decoration: none; font-weight: 500; transition: all 0.3s ease; }
.email:hover { filter: brightness(1.2); transform: scale(1.05); }

.music-card { display: flex; flex-direction: column; justify-content: center; }
.custom-music-player { display: flex; align-items: center; gap: 0.75rem; }
.play-pause-btn, .prev-btn, .next-btn { background: none; border: none; font-size: 1.5rem; color: var(--text-primary); cursor: pointer; flex-shrink: 0; transition: all 0.3s ease; opacity: 0.8; }
.music-card:hover .play-pause-btn, .music-card:hover .prev-btn, .music-card:hover .next-btn { opacity: 1; }
.prev-btn, .next-btn { font-size: 1.2rem; }
.play-pause-btn:hover, .prev-btn:hover, .next-btn:hover { color: var(--accent-color); }
.play-pause-btn:active, .prev-btn:active, .next-btn:active { transform: scale(0.9); }
.player-controls { flex-grow: 1; }
.music-info { margin-bottom: 0.5rem; display: flex; justify-content: space-between; align-items: baseline; }
.music-title { font-size: 0.9rem; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.time-display { font-size: 0.8rem; color: var(--text-secondary); }
.progress-bar-container { background-color: rgba(0,0,0,0.1); border-radius: 5px; height: 6px; cursor: pointer; }
.progress-bar { background-color: var(--accent-color); width: 0; height: 100%; border-radius: 5px; }

.volume-control { position: relative; }
.volume-slider-container { position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%); background: var(--card-bg); padding: 0.5rem; border-radius: 8px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.volume-control:hover .volume-slider-container { opacity: 1; visibility: visible; }
.volume-slider { -webkit-appearance: none; appearance: none; width: 80px; height: 5px; background: rgba(0,0,0,0.1); border-radius: 5px; transform: rotate(-90deg) translate(40px, -38px); cursor: pointer; }

.hobby-card { display: flex; flex-direction: column; justify-content: center; align-items: center; }
.hobby-content { display: flex; align-items: center; gap: 1rem; margin-top: 0.5rem; }
.hobby-icon { width: 89.55px; height: 50.3px; max-width: 100%; border-radius: 8px; object-fit: cover; transition: transform 0.3s ease; }
.hobby-card:hover .hobby-icon { transform: scale(1.1); }
.hobby-text { font-size: 0.9rem; color: var(--text-secondary); }

.footer-card { display: flex; align-items: center; justify-content: center; text-align: center; }
.footer { font-style: normal; font-weight: 500; color: var(--text-secondary); font-family: 'Inter', sans-serif; }

/* --- DYNAMIC CONTROLS --- */
.controls { 
    position: absolute; 
    top: -3.5rem; 
    right: 0; 
    display: flex; 
    gap: 0.75rem; 
    z-index: 10; 
    transition: transform 0.4s ease, opacity 0.4s ease; /* 平滑过渡 */
    transform-origin: top right;
}
.controls.shrunk { /* 动态收缩状态 */
    transform: scale(0.9) translateY(-10px);
    opacity: 0.7;
}
.control-btn { background: var(--card-bg); border: 1px solid var(--card-border); width: 40px; height: 40px; border-radius: 0.75rem; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--text-secondary); transition: all 0.2s ease; }
.control-btn:hover { border-color: var(--accent-color); color: var(--text-primary); }
.control-btn:active { transform: scale(0.9); transition: transform 0.1s ease; }

.lang-switcher { position: relative; }
.lang-menu { display: none; position: absolute; top: 120%; right: 0; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 0.5rem; box-shadow: 0 4px 15px rgba(0,0,0,0.2); z-index: 10; overflow: hidden; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.lang-menu button { background: none; border: none; padding: 0.5rem 1rem; cursor: pointer; width: 100%; text-align: left; font-size: 0.9rem; color: var(--text-primary); }
.lang-menu button:hover { background-color: rgba(255, 255, 255, 0.1); }

.toast-notification { position: fixed; bottom: -100px; left: 50%; transform: translateX(-50%); background-color: var(--accent-color); color: white; padding: 10px 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); transition: bottom 0.5s ease-in-out, opacity 0.5s ease-in-out; z-index: 2000; opacity: 0; pointer-events: none; }
.toast-notification.show { bottom: 30px; opacity: 1; }

.fade-text { transition: opacity 0.4s ease; }
.fade-out { opacity: 0; }

/* Copyright by 夏师傅 (xsfnb@qq.com) */
@media (max-width: 960px) {
    main.bento-grid { grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
    .profile-card { grid-column: 1 / 3; grid-row: 1 / 2; }
    .stats-card { grid-column: 1 / 3; grid-row: 2 / 3; }
    .contact-card { grid-column: 1 / 3; grid-row: 5 / 6; }
    .twitter-card { grid-column: 1 / 2; grid-row: 3 / 4; }
    .youtube-card { grid-column: 2 / 3; grid-row: 3 / 4; }
    .telegram-card { grid-column: 1 / 2; grid-row: 4 / 5; }
    .line-card { grid-column: 2 / 3; grid-row: 4 / 5; }
    .music-card { grid-column: 1 / 3; grid-row: 6 / 7; }
    .hobby-card { grid-column: 1 / 3; grid-row: 7 / 8; }
    .footer-card { grid-column: 1 / 3; grid-row: 8 / 9; }
    .intro { font-size: 1rem; }
    .hobby-icon { width: 71.64px; height: 40.24px; }
}

@media (max-width: 640px) {
    body { padding: 1rem; align-items: flex-start; padding-top: 6rem; padding-bottom: 2rem; }
    main.bento-grid { grid-template-columns: 1fr; gap: 1rem; }
    .grid-item { grid-column: 1 / 2 !important; grid-row: auto !important; }
    .controls { position: fixed; top: 1.5rem; right: 1rem; z-index: 1000; }
    .music-title { font-size: 0.8rem; }
    .name { font-size: 1.8rem; }
    .intro { font-size: 0.9rem; }
    .hobby-icon { width: 53.73px; height: 30.18px; }
}