/* ========================================
   粗放主义 - 响应式层：断点、移动端适配
   ======================================== */

/* ===== 大屏断点 ===== */
@media (max-width: 1200px) {
    .left-panel {
        width: 35%;
    }

    .right-panel {
        width: 65%;
    }
}

/* ===== 平板/移动端：单栏布局 ===== */
@media (max-width: 900px) {
    /* 移动端：单栏布局 */
    /* 允许移动端页面滚动 */
    html,
    body {
        overflow-y: auto;
        height: auto;
    }

    .container {
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
        height: auto;
        min-height: 100vh;
    }

    .left-panel {
        width: 100%;
        min-width: 100%;
        height: auto;
        flex-shrink: 0;
        border-right-width: 0;
        border-bottom: var(--border-width) solid var(--fg);
        padding: var(--space-lg);
        overflow-y: visible;
    }

    /* 粘性头部 */
    .hero {
        position: sticky;
        top: 0;
        background: var(--bg);
        z-index: 10;
        padding: var(--space-sm) 0;
        margin: calc(var(--space-sm) * -1) 0;
    }

    /* 头像缩小效果 */
    .avatar-box {
        transition:
            width 0.3s ease,
            height 0.3s ease,
            transform 0.3s ease,
            box-shadow 0.3s ease;
        cursor: pointer;
    }

    .avatar-box.scrolled {
        width: 48px !important;
        height: 48px !important;
        min-width: 48px;
        margin-bottom: var(--space-sm);
        box-shadow: 6px 6px 0 var(--fg);
    }

    .avatar-box.scrolled:hover {
        transform: translate(-2px, -2px);
        box-shadow: 8px 8px 0 var(--fg);
    }

    .right-panel {
        display: none;
    }

    .social-links {
        flex-wrap: wrap;
    }

    @supports (display: grid) {
        .social-links {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    .social-link {
        flex: 0 0 calc(50% - 0.5rem);
        max-width: calc(50% - 0.5rem);
    }

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

    /* 手机端隐藏壁纸切换按钮 */
    .wallpaper-toggle {
        display: none !important;
    }
}

/* ===== 小屏断点 ===== */
@media (max-width: 600px) {
    .left-panel {
        padding: var(--space-md);
    }

    .bio-container {
        padding: var(--space-sm);
    }

    .info-panel {
        padding: var(--space-md);
    }

    .weekday {
        font-size: 2.5rem;
    }

    .clock {
        font-size: 1.5rem;
    }

    .wallpaper-toggle {
        display: none !important;
    }

    .close-panel {
        display: none !important;
    }

    .legacy-compat .left-panel {
        padding: 1.5rem 1rem;
    }

    .legacy-compat .name {
        font-size: 2.25rem;
    }

    .legacy-compat .avatar-box {
        width: 96px;
        height: 96px;
    }
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== 响应式：hover 热区 ===== */
@media (max-width: 900px) {
    .avatar-box.scrolled:hover::before {
        transform: translate(2px, 2px);
    }
}