:root {
    --color-bg: #EDEFEA;
    --color-paper: #F7F8F4;
    --color-text: #1c1c1b;
    --color-text-variant: #454842;
    --color-primary: #040803;
    --color-border: #D2D5CB;
    --color-footer: #ffffff;
    --color-nav-bg: rgba(252, 249, 247, 0.6);
    --color-deep-teal: #2C5262;
    --font-mono: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--color-nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    height: 64px;
    z-index: 50;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 720px;
    padding: 0 24px;
}

.brand {
    font-size: 56px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-variant);
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a.active {
    color: var(--color-primary);
    position: relative;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

main {
    flex-grow: 1;
    width: 100%;
    max-width: 720px;
    margin: 64px auto 0;
    padding: 48px 24px;
    background-color: var(--color-paper);
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    box-sizing: border-box;
    min-height: calc(100vh - 64px - 80px);
}

.page-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 16px;
}

h1 {
    font-size: 32px;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
    line-height: 1.15;
}

.subtitle {
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-text-variant);
    margin: 0;
    max-width: 560px;
}

.log-list {
    display: flex;
    flex-direction: column;
}

.log-entry {
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.log-entry:first-child {
    padding-top: 0;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-meta-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.log-date {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text-variant);
    flex-shrink: 0;
}

.log-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.log-context {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-variant);
    margin-left: 8px;
}

.log-desc {
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-text-variant);
    margin: 0;
}

.log-tags {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text-variant);
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
    margin-top: 4px;
}

.log-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s;
    margin-top: 8px;
}

.log-link:hover {
    color: var(--color-deep-teal);
    text-decoration: underline;
    text-underline-offset: 4px;
}

footer {
    width: 100%;
    background-color: var(--color-footer);
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    margin-top: auto;
}

.footer-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}

.footer-meta {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-primary);
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    text-decoration: none;
    color: var(--color-text-variant);
    font-size: 14px;
    transition: color 0.3s, opacity 0.3s;
}

.footer-links a:hover {
    color: var(--color-deep-teal);
    opacity: 0.8;
}