/* ========================================
   粗放主义 - 组件层：按钮、头像、卡片等
   ======================================== */

/* ===== 批量过渡应用（解耦） ===== */
/* 头像和按钮 */
.avatar-box,
.social-link {
    transition: var(--transition-all);
}

/* 文字区域 */
.bio-container,
.time-widget,
.wallpaper-container {
    transition: var(--transition-all);
}

/* 字体大小过渡 */
.name,
.weekday,
.clock,
.date-display {
    transition: font-size var(--transition-normal);
}

/* 噪点叠加层 */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    z-index: var(--z-noise, 9999);
    opacity: 0.03;
    contain: strict;
    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");
}

/* ===== 加载遮罩层 ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #fffef7;
    background: var(--bg, #fffef7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    z-index: var(--z-loading, 9998);
    transition:
        opacity 0.4s ease,
        visibility 0.4s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 3rem;
    border: 6px solid #0a0a0a;
    border: var(--border-heavy, 6px) solid var(--fg, #0a0a0a);
    background: #fffef7;
    background: var(--bg, #fffef7);
    box-shadow: 10px 10px 0 #0a0a0a;
    box-shadow: var(--shadow-offset, 10px) var(--shadow-offset, 10px) 0 var(--fg, #0a0a0a);
    animation: loading-bounce 1.5s ease-in-out infinite;
}

/* IE11 flexbox gap fallback */
.loading-panel > * + * {
    margin-top: 1.5rem;
}

@supports (gap: 1.5rem) {
    .loading-panel > * + * {
        margin-top: 0;
    }
}

/* 旋转方块 - 粗野主义风格 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #0a0a0a;
    border: var(--border-width, 4px) solid var(--fg, #0a0a0a);
    background: #fffef7;
    background: var(--bg, #fffef7);
    animation:
        loading-rotate 1s linear infinite,
        loading-pulse 0.8s ease-in-out infinite;
}

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

@keyframes loading-pulse {
    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }
    50% {
        transform: scale(1.1) rotate(180deg);
    }
}

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

/* 加载文字 */
.loading-text {
    font-family: 'Space Grotesk', 'Noto Sans SC', sans-serif;
    font-family: var(--font-display, 'Space Grotesk', 'Noto Sans SC', sans-serif);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #0a0a0a;
    color: var(--fg, #0a0a0a);
    min-height: 1.5em;
}

/* 像素进度条 */
.loading-progress {
    width: 200px;
    height: 12px;
    border: 3px solid #0a0a0a;
    border: 3px solid var(--fg, #0a0a0a);
    background: #fffef7;
    background: var(--bg, #fffef7);
    position: relative;
    overflow: hidden;
}

.loading-bar {
    height: 100%;
    background: #0a0a0a;
    background: var(--fg, #0a0a0a);
    width: 0%;
    transition: width 0.3s ease-out;
}

.loading-percent {
    font-family: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    font-family: var(--font-mono, 'IBM Plex Mono', 'Noto Sans SC', monospace);
    font-size: 0.875rem;
    color: #666666;
    color: var(--muted, #666666);
}

/* ===== 头像 ===== */
.avatar-box {
    width: 150px;
    width: clamp(100px, 12vw, 150px);
    height: 150px;
    height: clamp(100px, 12vw, 150px);
    margin: 0 0 2rem 0;
    margin: 0 0 var(--space-lg, 2rem) 0;
    border: 6px solid #0a0a0a;
    border: var(--border-heavy, 6px) solid var(--fg, #0a0a0a);
    box-shadow: 10px 10px 0 #0a0a0a;
    box-shadow: var(--shadow-offset, 10px) var(--shadow-offset, 10px) 0 var(--fg, #0a0a0a);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fffef7;
    background-color: var(--bg, #fffef7);
    transition:
        transform 0.08s cubic-bezier(0.2, 0, 0, 1),
        box-shadow 0.08s cubic-bezier(0.2, 0, 0, 1);
    cursor: pointer;
}

.avatar-box:hover {
    transform: translate(-5px, -5px);
    box-shadow: 15px 15px 0 var(--fg);
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===== 名称 ===== */
.name {
    font-family: 'Space Grotesk', 'Noto Sans SC', sans-serif;
    font-family: var(--font-display, 'Space Grotesk', 'Noto Sans SC', sans-serif);
    font-size: 3.5rem;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #0a0a0a;
    color: var(--fg, #0a0a0a);
    margin-bottom: 1rem;
    margin-bottom: var(--space-sm, 1rem);
    text-transform: uppercase;
}

/* ===== 状态栏 ===== */
.status-bar {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    gap: var(--space-xs, 0.5rem);
    padding: 0.5rem 1rem;
    padding: var(--space-xs, 0.5rem) var(--space-sm, 1rem);
    border: 3px solid var(--fg);
    background-color: #fffef7;
    background-color: var(--bg, #fffef7);
    margin-bottom: 2rem;
    margin-bottom: var(--space-lg, 2rem);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.status-dot {
    width: 10px;
    height: 10px;
    background-color: #ffe600;
    background-color: var(--accent-yellow, #ffe600);
    border: 2px solid #0a0a0a;
    border: 2px solid var(--fg, #0a0a0a);
    animation: pulse 2s ease-in-out infinite;
    margin-right: 0.5rem;
    margin-right: var(--space-xs, 0.5rem);
}

@supports (gap: 0.5rem) {
    .status-dot {
        margin-right: 0;
    }
}

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

.status-text {
    font-weight: 500;
    color: #0a0a0a;
    color: var(--fg, #0a0a0a);
}

/* ===== 简介区域 ===== */
.bio-container {
    margin-bottom: 3rem;
    margin-bottom: var(--space-xl, 3rem);
    padding: 1.5rem;
    padding: var(--space-md, 1.5rem);
    border: 4px solid #0a0a0a;
    border: var(--border-width, 4px) solid var(--fg, #0a0a0a);
    background-color: #ffffff;
    text-align: left;
    box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-offset-sm, 6px) var(--shadow-offset-sm, 6px) 0 rgba(0, 0, 0, 0.1);
    min-height: 100px;
}

.bio {
    font-family: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    font-family: var(--font-mono, 'IBM Plex Mono', 'Noto Sans SC', monospace);
    font-size: 1rem;
    line-height: 1.8;
    color: #0a0a0a;
    color: var(--fg, #0a0a0a);
}

.typewriter-text {
    white-space: pre-wrap;
    word-break: break-word;
}

.typewriter-cursor {
    display: inline-block;
    color: #3e59ff;
    color: var(--accent-blue, #3e59ff);
    font-weight: 700;
    animation: blink 0.8s step-end infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%,
    50% {
        opacity: 1;
    }
    51%,
    100% {
        opacity: 0;
    }
}

/* ===== 社交链接 ===== */
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    gap: var(--space-sm, 1rem);
}

@supports (display: grid) {
    .social-links {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    gap: var(--space-xs, 0.5rem);
    padding: 1.5rem;
    padding: var(--space-md, 1.5rem);
    border: 4px solid #0a0a0a;
    border: var(--border-width, 4px) solid var(--fg, #0a0a0a);
    background-color: #fffef7;
    background-color: var(--bg, #fffef7);
    color: #0a0a0a;
    color: var(--fg, #0a0a0a);
    text-decoration: none;
    position: relative;
    flex: 0 0 calc(33.333% - 0.67rem);
    max-width: calc(33.333% - 0.67rem);
    transition:
        transform 0.08s cubic-bezier(0.2, 0, 0, 1),
        box-shadow 0.08s cubic-bezier(0.2, 0, 0, 1);
}

@supports (display: grid) {
    .social-link {
        flex: none;
        max-width: none;
    }
}

/* IE11 flexbox gap fallback */
.social-link > * + * {
    margin-top: 0.5rem;
    margin-top: var(--space-xs, 0.5rem);
}

@supports (gap: 0.5rem) {
    .social-link > * + * {
        margin-top: 0;
    }
}

/* 社交链接颜色（统一使用 --custom-color） */
.social-link--custom {
    --custom-color: #ffe600;
    box-shadow: 6px 6px 0 #ffe600;
    box-shadow: var(--shadow-offset-sm, 6px) var(--shadow-offset-sm, 6px) 0 var(--custom-color, #ffe600);
}

.social-link--custom:hover {
    transform: translate(-4px, -4px);
    box-shadow: 10px 10px 0 #ffe600;
    box-shadow: 10px 10px 0 var(--custom-color, #ffe600);
    background-color: #ffe600;
    background-color: var(--custom-color, #ffe600);
}

.link-label {
    font-family: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    font-family: var(--font-mono, 'IBM Plex Mono', 'Noto Sans SC', monospace);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== 左侧底部 ===== */
.footer-left {
    margin-top: auto;
    padding-top: 2rem;
    padding-top: var(--space-lg, 2rem);
}

.footer-line {
    height: 4px;
    height: var(--border-width, 4px);
    background-color: #0a0a0a;
    background-color: var(--fg, #0a0a0a);
    margin-bottom: 1rem;
    margin-bottom: var(--space-sm, 1rem);
}

.footer-text {
    font-family: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    font-family: var(--font-mono, 'IBM Plex Mono', 'Noto Sans SC', monospace);
    font-size: 0.75rem;
    color: #666666;
    color: var(--muted, #666666);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-align: center;
}

/* ===== 时间组件 ===== */
.time-widget {
    text-align: left;
}

.weekday {
    font-family: 'Space Grotesk', 'Noto Sans SC', sans-serif;
    font-family: var(--font-display, 'Space Grotesk', 'Noto Sans SC', sans-serif);
    font-size: 5rem;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    color: #fffef7;
    color: var(--bg, #fffef7);
    line-height: 1;
    margin-bottom: 0.5rem;
    margin-bottom: var(--space-xs, 0.5rem);
}

.date-display {
    font-family: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    font-family: var(--font-mono, 'IBM Plex Mono', 'Noto Sans SC', monospace);
    font-size: 1.5rem;
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: rgba(255, 254, 247, 0.7);
    margin-bottom: 2px;
}

.clock {
    font-family: 'IBM Plex Mono', 'Noto Sans SC', monospace;
    font-family: var(--font-mono, 'IBM Plex Mono', 'Noto Sans SC', monospace);
    font-size: 3rem;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    color: #ffe600;
    color: var(--accent-yellow, #ffe600);
    letter-spacing: 0.05em;
}

/* ===== 手机端壁纸切换按钮 ===== */
.wallpaper-toggle {
    position: fixed;
    bottom: 85px;
    right: 20px;
    width: 56px;
    height: 56px;
    border: 4px solid #0a0a0a;
    border: var(--border-width, 4px) solid var(--fg, #0a0a0a);
    background: #fffef7;
    background: var(--bg, #fffef7);
    color: #0a0a0a;
    color: var(--fg, #0a0a0a);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 6px 6px 0 #0a0a0a;
    box-shadow: var(--shadow-offset-sm, 6px) var(--shadow-offset-sm, 6px) 0 var(--fg, #0a0a0a);
    transition:
        transform 0.08s cubic-bezier(0.2, 0, 0, 1),
        box-shadow 0.08s cubic-bezier(0.2, 0, 0, 1),
        background-color 0.3s ease;
    z-index: 1000;
    z-index: var(--z-buttons, 1000);
    padding: 0;
}

.wallpaper-toggle:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--fg);
}

.wallpaper-toggle:active {
    transform: translate(-1px, -1px);
    box-shadow: 7px 7px 0 var(--fg);
}

.wallpaper-toggle:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.wallpaper-toggle.active {
    background: #ffe600;
    background: var(--accent-yellow, #ffe600);
}

/* ===== 手机端关闭按钮 ===== */
.close-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    border: 4px solid #0a0a0a;
    border: var(--border-width, 4px) solid var(--fg, #0a0a0a);
    background: rgba(255, 254, 247, 0.95);
    color: #0a0a0a;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.3);
    z-index: 1002;
    z-index: calc(var(--z-buttons, 1000) + 2);
    padding: 0;
    transition:
        transform 0.08s cubic-bezier(0.2, 0, 0, 1),
        box-shadow 0.08s cubic-bezier(0.2, 0, 0, 1);
}

.close-panel.active {
    display: flex;
}

.close-panel:hover {
    transform: scale(1.1);
    box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.4);
}

.close-panel:focus {
    outline: 2px solid var(--accent-yellow);
    outline-offset: 2px;
}

/* ===== 交互特效 ===== */

/* 滚动触发动画 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal--visible {
    opacity: 1;
    transform: translateY(0);
}

/* IE11 object-fit fallback */
.no-object-fit .avatar-image {
    display: none;
}

.no-object-fit .avatar-box {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 性能优化 */
/* GPU 加速：提前创建合成层，避免 hover 时延迟 */
.avatar-box,
.social-link {
    backface-visibility: hidden;
    transform: translateZ(0);
    will-change: transform;
}

/* 防止 hover 位移导致的边缘闪烁：
   ::before 作为静止悬停热区，反向 translate 与父元素 transition 同步，
   确保 ::before 在动画每一帧都精确停留在原位 */
.avatar-box::before,
.social-link::before,
.wallpaper-toggle::before,
.close-panel::before {
    content: '';
    position: absolute;
    top: -15px;
    right: -15px;
    bottom: -15px;
    left: -15px;
    pointer-events: auto;
    transition: transform 0.08s cubic-bezier(0.2, 0, 0, 1);
}

.avatar-box:hover::before {
    transform: translate(5px, 5px);
}

.social-link:hover::before {
    transform: translate(4px, 4px);
}

.wallpaper-toggle:hover::before {
    transform: translate(3px, 3px);
}

.container,
.left-panel,
.right-panel {
    backface-visibility: hidden;
}

/* ===== 旧版浏览器兼容模式 ===== */
.legacy-compat .noise-overlay,
.legacy-compat .right-panel,
.legacy-compat .bio-container,
.legacy-compat .wallpaper-toggle,
.legacy-compat .close-panel,
.legacy-compat .loading-spinner,
.legacy-compat .loading-progress,
.legacy-compat .loading-percent,
.legacy-compat .right-panel-shadow,
.legacy-compat .info-panel {
    display: none;
}

.legacy-compat,
.legacy-compat body {
    height: auto;
    overflow: auto;
}

.legacy-compat .container {
    display: block;
    height: auto;
    min-height: 100vh;
    overflow: visible;
    filter: none;
    pointer-events: auto;
}

.legacy-compat .left-panel {
    width: 100%;
    max-width: 680px;
    min-width: 0;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    border-right: 0;
    box-shadow: none;
    overflow: visible;
    contain: none;
}

.legacy-compat .left-panel .hero,
.legacy-compat .avatar-box,
.legacy-compat .social-link,
.legacy-compat .status-dot,
.legacy-compat .typewriter-cursor,
.legacy-compat .loading-panel,
.legacy-compat .loading-text {
    animation: none;
    transition: none;
    transform: none;
}

.legacy-compat .avatar-box {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    cursor: default;
    box-shadow: none;
}

.legacy-compat .avatar-box:hover {
    transform: none;
    box-shadow: none;
}

.legacy-compat .avatar-box::before,
.legacy-compat .avatar-box::after {
    content: none;
    display: none;
}

.legacy-compat .social-links {
    display: block;
}

.legacy-compat .social-link {
    display: block;
    width: 100%;
    max-width: none;
    padding: 1rem 1.25rem;
    margin: 0;
    text-align: left;
    box-shadow: none;
}

.legacy-compat .social-link::before,
.legacy-compat .social-link::after {
    content: none;
    display: none;
    pointer-events: none;
}

.legacy-compat .social-link + .social-link {
    margin-top: 1rem;
}

.legacy-compat .loading-overlay {
    background: #fffef7;
    transition: none;
}

.legacy-compat .loading-panel {
    gap: 0;
    padding: 1.5rem;
    border-width: 4px;
    box-shadow: none;
}

.legacy-compat .loading-text {
    min-height: 0;
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: none;
}

.legacy-compat .status-bar {
    border: 3px solid #0a0a0a;
}