.archive-container {
    margin-top: 1.4em;
    margin-bottom: 1.2em;
}

.archive-year-group {
    position: relative;
    padding-top: 1.2em;
    padding-bottom: 1.2em;
    border-top: 1px solid var(--color-border);
}

.archive-year-title {
    font-size: 0.85em;
    font-weight: 600;
    color: var(--color-text-subtle);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: absolute;
    top: 1.2em;
    left: -150px;
    width: 120px;
    text-align: right;
}

.archive-post-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.archive-post-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 20px;
    align-items: baseline;
    padding: 8px 0;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.archive-post-item:hover {
    background-color: var(--color-code-bg);
}

.archive-post-date {
    color: var(--color-meta);
    font-size: 0.9em;
    opacity: 0.7;
    letter-spacing: 0.02em;
    font-family: var(--font-family-mono);
    font-variant-numeric: tabular-nums;
}

.archive-post-title {
    position: relative;
}

.archive-post-title a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 1em;
    line-height: 1.5;
    border-bottom: none;
    position: relative;
    display: inline;
    text-decoration: underline;
    text-decoration-color: transparent;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
    text-decoration-skip-ink: none;
    transition: color 0.3s ease, text-decoration-color 0.3s ease;
}

.archive-post-title a:hover {
    color: var(--color-text-strong);
    text-decoration-color: var(--color-text-strong);
}

main .page-header {
    border-bottom: 1px solid var(--color-border);
    padding-top: 0.8em;
    padding-bottom: 1.2em;
    margin-bottom: 0;
    margin-top: 0;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

main .page-header .page-title {
    font-size: 28px;
    margin-bottom: 0.8em;
    margin-top: 0;
    line-height: 1.2;
    font-weight: 600;
    color: var(--color-text-strong);
}

.archive-search {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    opacity: 1;
    transition: transform 0.2s ease;
    position: relative;
    min-height: 50px;
    z-index: 100;
}

.archive-search:hover,
.archive-search:focus-within {
    transform: translateY(-1px);
}

.simple-search-form {
    position: relative;
    width: 100%;
}

.simple-search-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-background);
    color: var(--color-text);
    font-size: 15px;
    font-family: var(--font-family-sans);
    font-weight: 400;
    line-height: 1.5;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    box-sizing: border-box;
}

.simple-search-input:hover {
    background-color: var(--color-code-bg);
    border-color: var(--color-text-subtle);
}

.simple-search-input:focus {
    background-color: var(--color-code-bg);
    border-color: var(--color-text);
    box-shadow: 0 0 0 2px rgba(var(--color-text-rgb, 0, 0, 0), 0.1);
}

.simple-search-input::placeholder {
    color: var(--color-text-subtle);
    opacity: 0.6;
}

.simple-search-results {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-height: 500px;
    overflow-y: auto;
    z-index: 1000;
}

.simple-search-message {
    padding: 12px 16px;
    color: var(--color-text-subtle);
    font-size: 14px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.simple-search-error {
    padding: 12px 16px;
    color: var(--color-text-subtle);
    font-size: 14px;
    text-align: center;
}

.simple-search-result {
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease;
}

.simple-search-result:last-child {
    border-bottom: none;
}

.simple-search-result:hover {
    background-color: var(--color-code-bg);
}

.simple-search-result-title {
    margin-bottom: 8px;
}

.simple-search-result-title a {
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-link-underline);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.2s ease, border-bottom-color 0.2s ease;
}

.simple-search-result-title a:hover {
    color: var(--color-text);
    border-bottom-color: var(--color-text);
}

.simple-search-result-excerpt {
    color: var(--color-text-subtle);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.simple-search-result-date {
    color: var(--color-text-subtle);
    font-size: 12px;
    opacity: 0.7;
}

.simple-search-result mark {
    background-color: rgba(255, 235, 59, 0.4);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
    font-weight: 600;
}

@media (max-width: 900px) {
    .archive-year-title {
        position: static;
        width: auto;
        text-align: left;
        font-size: 1.8em;
        margin-bottom: 1em;
        text-transform: none;
        letter-spacing: normal;
        color: var(--color-text-strong);
    }

    .archive-year-group {
        padding-top: 1em;
        padding-bottom: 1em;
    }

    .archive-search {
        max-width: 100%;
        margin: 0;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .page-header {
        padding-bottom: 1em;
    }

    .page-title {
        margin-bottom: 0.7em;
    }
}

.year-navigator {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.year-navigator.visible {
    opacity: 1;
}

.year-navigator-track {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 60vh;
    overflow-y: auto;
    overflow-x: visible;
    padding: 10px 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.year-navigator-track::-webkit-scrollbar {
    width: 4px;
}

.year-navigator-track::-webkit-scrollbar-track {
    background: transparent;
}

.year-navigator-track::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
}

.year-navigator-track::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-subtle);
}

.year-nav-item {
    display: block;
    padding: 6px 12px;
    font-size: 0.75em;
    font-weight: 500;
    color: var(--color-text-subtle);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
    text-align: center;
    min-width: 50px;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    margin: 0 2px;
}

.year-nav-item:hover {
    color: var(--color-text);
    background-color: var(--color-code-bg);
    border-color: var(--color-border);
    transform: translateX(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.year-nav-item.active {
    color: var(--color-text-strong);
    background-color: var(--color-code-bg);
    border-color: var(--color-text-subtle);
    font-weight: 600;
}

@media (max-width: 1200px) {
    .year-navigator {
        display: none;
    }
}