@view-transition {
  navigation: auto;
}

:root {
    --color: oklch(0.1 0.01 260);
    --color-neutral: oklch(0.4 0.01 260);
    --color-brighter: oklch(0.5 0.01 260);
    --color-fixed: oklch(0.96 0.01 260); 
    --color-progressive: oklch(0.5 0.2 260);
    --color-progressive-brighter: oklch(0.7 0.2 260);
    --background-color: oklch(0.96 0.01 260);
    --background-color-neutral: oklch(0.92 0.01 260);
    --background-color-neutral-subtle: oklch(0.94 0.01 260);
    --background-color-progressive: oklch(0.8 0.3 260);

    --color-footer: oklch(0.6 0.02 260);
    --background-color-footer: oklch(0.23 0.01 260);

    --border-color: oklch(0.8 0.02 260);

    --border-color-progressive: oklch(0.7 0.2 260);
    --color-gold: oklch(0.7 0.16 80);

    --space-xxs: 0.25rem;
    --space-xs: 0.5rem;
    --space-s: 0.75rem;
    --space-md: 1.0rem;
    --space-l: 1.5rem;
    --space-xl: 2.0rem;
    --space-xxl: 2.5rem;

    --font-size-s: 0.8rem;
    --font-size-m: 1.0rem;
    --font-size-l: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 1.75rem;

    --border-radius-base: 0.5rem;
    --border-radius-medium: 1.0rem;
    --border-radius-large: 1.5rem;

    --active-filter-color: oklch(0.45 0 260 / 12%);
    --glass-filter-color: #FFFFFF44;
    --progressive-filter-color: oklch(0.5 0.2 260 / 50%);
    --box-shadow: #00000044 0 0 20px 0px;

    --transition: 0.3s;

    --font-family-monospace: 'JetBrains Mono', 'JetBrains Maple Mono', 'Consolas', monospace;
}

[data-theme="dark"] {
    --color: oklch(0.8 0.02 260);
    --color-neutral: oklch(0.6 0.02 260);
    --color-brighter: oklch(0.9 0.01 260);
    --color-progressive: oklch(0.8 0.2 260);
    --color-progressive-brighter: oklch(0.9 0.2 260);
    --background-color: oklch(0.25 0.01 260);
    --background-color-neutral: oklch(0.22 0.01 260);
    --background-color-neutral-subtle: oklch(0.24 0.01 260);

    --border-color-progressive: oklch(0.5 0.2 260);

    --border-color: oklch(0.4 0.02 260);
    --glass-filter-color: #00002244;
    --box-shadow: #000000 0 0 24px 0px;
}

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

body {
    font-family: sans-serif;
    background: var(--background-color);
    color: var(--color);
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 10px;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--box-shadow);
    background-color: var(--glass-filter-color);
    transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.navbar.fixed-navbar {
    position: fixed;
    width: 100%;
}

.navbar.hidden-navbar {
    transform: translateY(-100%);
    box-shadow: none;
}

.nav-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--color);
    font-family: var(--font-family-monospace);
    font-size: var(--font-size-l);
    transition: color var(--transition);
}
.logo:hover {
    
}
.logo img {
    height: 2rem;
    width: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style-type: none;
}
.nav-menu a {
    display: block;
    color: inherit;
    text-decoration: none;
    padding: var(--space-s) var(--space-md) calc(var(--space-s) - 4px) var(--space-md);
    white-space: nowrap;
    border-bottom: 4px solid transparent;
}
.nav-menu a:hover {
    background: var(--active-filter-color);
}
.nav-menu a.active {
    font-weight: bold;
    border-bottom: 4px solid var(--border-color-progressive);
}

.nav-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-s);
}

.nav-button {
    border: none;
    background: none;
    color: inherit;
    cursor: pointer;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
#themeToggle {
    background-image: url('assets/sun.svg');
}
[data-theme="dark"] #themeToggle {
    background-image: url('assets/moon.svg');
}
#menuToggle {
    background-image: url('assets/menu.svg');
}
.nav-button:hover {
    transform: scale(1.05);
}

.menu-toggle {
    display: none;
}

.main-page-screen {
    height: 100vh;
    position: relative;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.screen-avatar {
    width: min(5rem, 50%);
    height: auto;
}
.screen-name {
    font-family: var(--font-family-monospace);
}
.screen-sign {
    font-size: var(--font-size-s);
    padding: 0 var(--space-xl);
    text-align: center;
}
.screen-background {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -100;
    opacity: 0.5;

    overflow-x: clip;
}
#screen-background-canvas {
    filter: blur(64px);
    width: 100%;
    height: 100%;
    transform: scaleX(1.5);
}

.no-wrap-span {
    white-space: pre;
}

.main-grid {
    /* 样式由你定义 */
    /* 参考：display: grid; grid-template-columns: 2fr 1fr; gap: 32px; */
    /* 参考：padding: 32px 0 48px; */
}

/* ================================================================
   文章区域 (请自行设计)
   ================================================================ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}
.section-header h2 {
    font-size: var(--font-size-xl);
}

.search-box {
    flex: 1; min-width: 100px; max-width: 300px;
}
.search-box input {
    background-color: var(--glass-filter-color);
    border: none;
    width: 100%;
    padding: var(--space-xs);
    border-radius: var(--border-radius-base);
    color: var(--color);

    transition: background-color var(--transition), color var(--transition);
}
.search-box input:focus {
    outline: none;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-block: var(--space-md);
}

.filter-btn {
    display: block;
    background-color: var(--glass-filter-color);
    padding: var(--space-xxs) var(--space-s);
    font-size: var(--font-size-s);
    border-radius: var(--border-radius-base);
    -webkit-user-select: none;
    user-select: none;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition);
}
.filter-btn:hover {
    filter: brightness(1.2);
}
.filter-btn[data-active="true"] {
    background-color: var(--border-color-progressive);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.article-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
    transition: all var(--transition);
    background-color: var(--background-color-neutral-subtle);
    color: var(--color);
    padding: var(--space-md);
    text-decoration: none;
    border-radius: var(--border-radius-medium);
    outline: 0px solid transparent;
}
.article-card:hover {
    transform: translateY(-2px);
    outline: 1px solid var(--border-color);
}

.article-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-favorite-toggle {
    width: 1.5rem;
    height: 1.5rem;

    cursor: pointer;
    
    border: none;
    background-color: transparent;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url('assets/star.svg');
}

.article-favorite-toggle[data-favorite="true"] {
    background-image: url('assets/stared.svg');
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-top: auto;

    font-size: var(--font-size-s);
    line-height: 1.0;
}
.article-date {
    font-family: var(--font-family-monospace);
}
.article-categories {
    list-style: none;
}
.article-categories > li {
    display: inline-block;
}
.article-categories > li:not(:first-child)::before {
    content: "";
    display: inline-block;
    height: 0.25em;
    width: 0.25em;
    margin: 0.2em 0.25em;
    border-radius: 50%;
    background-color: currentColor;
}

.article-card h3 {
    font-size: var(--font-size-l);
    line-height: 1.0;
}
.article-card > p {
    color: var(--color-neutral);
}

.footer {
    margin-top: auto;
    background-color: var(--background-color-footer);
    color: var(--color-footer);
    transition: background-color var(--transition), color var(--transition);
}
.footer-content {
    display: flex;
    align-items: stretch;
}
.footer-content > div {
    flex-basis: 50%;
    margin: var(--space-s);
}
.footer-content > div:not(:last-child) {
    border-right: 1px solid currentColor;
}
.footer-profile {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}
.footer-avatar {
    height: 4rem;
    width: 4rem;
}
.footer-author {
    font-size: var(--font-size-l);
    font-family: var(--font-family-monospace);
}
.footer-site {
    font-size: var(--font-size-m);
    font-family: var(--font-family-monospace);
}

.footer-details {
    font-size: var(--font-size-s);
}
.footer-links-bar {
    display: flex;
    gap: var(--space-xs);
}
.footer-link {
    display: block;
    color: inherit;
}
.footer-link:hover {
    color: var(--color-brighter);
}
.footer-link svg {
    width: var(--space-l);
    height: var(--space-l);
}

code {
    font-size: 1em;
}

/* Pad */
@media (max-width: 1024px) {
    /* 样式由你定义 */
    /* 参考：.main-grid { grid-template-columns: 1fr; } */
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-s);
    }
}

/* Phone */
@media (max-width: 768px) {
    /* 样式由你定义 */
    /* 参考：.nav-menu { display: none; flex-direction: column; width: 100%; } */
    /* 参考：.nav-menu.open { display: flex; } */
    /* 参考：.menu-toggle { display: flex; } */
    .articles-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: var(--space-s);
    }
    .logo-text {
        display: none;
    }
    .footer-content {
        flex-direction: column;
    }
    .footer-content > div:not(:last-child) {
        border-right: none;
    }
    .footer-details {
        text-align: right;
    }
    .footer-links-bar {
        justify-content: end;
    }
}

@media (max-width: 480px) {
    /* 样式由你定义 */
    /* 参考：.container { padding: 0 14px; } */
    /* 参考：.article-footer { flex-direction: column; align-items: flex-start; gap: 10px; } */
}