/* Shared design tokens, reset, and site chrome. */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manjari:wght@400;700&family=Newsreader:ital,wght@0,400;0,600;1,400&family=Noto+Serif:ital,wght@0,300;0,400;0,600;1,300;1,400;1,600&display=swap');

:root {
    --color-bg: #e1e1e1;
    --color-text: #000000;
    --color-text-secondary: #6b6b6b;
    --color-article-list-excerpt: #000000;
    --color-rule: #d4d4d0;
    --color-accent: #1a1a1a;
    --color-input-border: #c5c5c0;
    --color-input-bg: #eaeaea;
    --color-button-bg: #1a1a1a;
    --color-button-text: #fafaf8;
    --color-button-hover: #333333;
    --color-danger: #8b2500;
    --color-danger-hover: #a83000;
    --color-date-badge-bg: #ffffff;
    --color-date-badge-border: #1a1a1a;
    --color-date-badge-text: #1a1a1a;
    --color-date-badge-secondary: #596873;
    --color-date-badge-rule: #c5c5c0;
    --color-preview-title: #000000;
    --color-nav-hover: #bc9886;
    --color-image-border: #ffffff;
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Newsreader', Georgia, 'Times New Roman', serif;
    --font-nav: 'Manjari', var(--font-ui);
    --font-post: 'Noto Serif', serif;
    --font-weight-article: 400;
    --content-width: 680px;
    --content-width-normal: 680px;
    --content-width-wide: 900px;
    --content-width-full: 1180px;
    --page-padding: 24px;
}

[data-content-width="normal"] {
    --content-width: var(--content-width-normal);
}

[data-content-width="wide"] {
    --content-width: var(--content-width-wide);
}

[data-content-width="full"] {
    --content-width: var(--content-width-full);
}

[data-theme="dark"] {
    --color-bg: #141414;
    --color-text: #e0e0de;
    --color-text-secondary: #8a8a86;
    --color-article-list-excerpt: #ffffff;
    --color-rule: #2e2e2c;
    --color-accent: #e0e0de;
    --color-input-border: #3a3a38;
    --color-input-bg: #1c1c1c;
    --color-button-bg: #e0e0de;
    --color-button-text: #141414;
    --color-button-hover: #c5c5c0;
    --color-danger: #d4604a;
    --color-danger-hover: #e07060;
    --color-date-badge-bg: #0d0d0d;
    --color-date-badge-border: #5d5d5d;
    --color-date-badge-text: #f0f0ed;
    --color-date-badge-secondary: #aeb8bf;
    --color-date-badge-rule: #484846;
    --color-preview-title: #cce1a7;
    --color-nav-hover: #bc9886;
    --color-image-border: #000000;
    --font-weight-article: 300;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-ui);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-text);
    text-decoration: none;
}

a:hover {
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

img {
    max-width: 100%;
    height: auto;
}

.site-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--page-padding);
    transition: max-width 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.site-header {
    padding: 60px 0 48px;
    text-align: center;
}

.site-header a {
    display: inline-block;
}

.site-title {
    font-family: var(--font-body);
    font-size: 2.8rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--color-text);
}

.site-subtitle {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-top: 6px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.site-nav {
    margin-top: 30px;
}

.site-nav ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    list-style: none;
}

.site-nav li {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.site-nav a {
    color: var(--color-text);
    font-family: var(--font-nav);
    font-size: 1.15rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    line-height: 1.2;
    text-transform: uppercase;
    user-select: none;
    transition: color 0.4s ease-in-out;
}

.site-nav a:hover {
    color: var(--color-nav-hover);
    opacity: 1;
}

.nav-dots {
    display: flex;
    gap: 6px;
    height: 6px;
    margin-top: 1px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.site-nav li.is-active .nav-dots {
    opacity: 1;
    visibility: visible;
}

.nav-dot {
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.2;
}

.site-nav li.is-active .nav-dot:nth-child(1) {
    animation: nav-dot-pulse 1.5s ease-in-out infinite;
}

.site-nav li.is-active .nav-dot:nth-child(2) {
    animation: nav-dot-pulse 1.5s ease-in-out 0.5s infinite;
}

.site-nav li.is-active .nav-dot:nth-child(3) {
    animation: nav-dot-pulse 1.5s ease-in-out 1s infinite;
}

@keyframes nav-dot-pulse {
    0%, 100% {
        opacity: 0.2;
    }

    50% {
        opacity: 1;
    }
}

.header-rule {
    border: none;
    border-top: 1px solid var(--color-rule);
    margin-bottom: 48px;
}

.site-footer {
    margin-top: 80px;
    padding: 32px 0;
    border-top: 1px solid var(--color-rule);
    text-align: center;
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.02em;
}

.site-controls {
    position: fixed;
    top: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 100;
}

.theme-toggle {
    width: 30px;
    height: 30px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    overflow: hidden;
    display: block;
    opacity: 0.85;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.width-toggle {
    width: 30px;
    height: 30px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.85;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover,
.width-toggle:hover {
    opacity: 1;
    transform: scale(1.08);
}

.theme-toggle:focus-visible,
.width-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.theme-toggle-icon {
    display: block;
    width: 30px;
    height: 60px;
    object-fit: cover;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}

[data-theme="dark"] .theme-toggle-icon {
    transform: translateY(0);
}

.width-toggle-icon {
    display: block;
    width: 22px;
    height: 22px;
    transition: filter 0.3s ease, transform 0.3s ease;
}

[data-theme="dark"] .width-toggle-icon {
    filter: invert(1);
}

[data-content-width="wide"] .width-toggle-icon {
    transform: scaleX(1.15);
}

[data-content-width="full"] .width-toggle-icon {
    transform: scaleX(1.3);
}

.hidden {
    display: none !important;
}

.loading {
    text-align: center;
    padding: 60px 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.empty-state {
    text-align: center;
    padding: 80px 0;
    color: var(--color-text-secondary);
    font-size: 1rem;
}

@media (max-width: 720px) {
    :root {
        --page-padding: 18px;
    }

    .site-controls {
        top: 18px;
        right: 18px;
        gap: 12px;
    }

    .site-header {
        padding: 40px 0 32px;
    }

    .site-title {
        font-size: 1.8rem;
    }

    .site-nav {
        margin-top: 24px;
    }

    .site-nav ul {
        gap: 28px;
    }

    .site-nav a {
        font-size: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-container,
    .theme-toggle-icon,
    .width-toggle-icon {
        transition: none;
    }

    .site-nav li.is-active .nav-dot {
        animation: none;
        opacity: 1;
    }
}