/* style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #eeeeee;
    --text-color: #000;
    --border-color: #000;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --border-color: #e0e0e0;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    padding: 60px 40px;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

header {
    border-bottom: 3px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.4s ease;
}

header h1 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
}

header h1 a {
    color: inherit;
    text-decoration: none;
}

.theme-switcher {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    overflow: hidden;
    border-radius: 4px;
}

.switcher-track {
    width: 30px;
    height: 60px;
    transform: translateY(-30px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.switcher-img {
    width: 30px;
    height: 60px;
    display: block;
}

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

.article {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 40px;
    margin-bottom: 80px;
}

.date-block {
    border: 3px solid var(--border-color);
    padding: 12px 8px;
    text-align: center;
    height: fit-content;
    transition: border-color 0.4s ease;
}

.date-block .month {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.date-block .divider {
    width: 20px;
    height: 3px;
    background: var(--border-color);
    margin: 8px auto;
    transition: background-color 0.4s ease;
}

.date-block .day {
    font-size: 24px;
    font-weight: 700;
}

.article-content h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.article-content .subtitle {
    font-size: 14px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
    color: var(--text-color);
    transition: color 0.4s ease;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
}

.article-body::first-letter {
    float: left;
    font-size: 72px;
    line-height: 0.8;
    font-weight: 700;
    margin-right: 12px;
    margin-top: 6px;
}

.no-posts {
    text-align: center;
    padding: 60px 0;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

footer {
    border-top: 3px solid var(--border-color);
    padding-top: 20px;
    margin-top: 60px;
    transition: border-color 0.4s ease;
}

footer p {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
}