:root {
    --bg: #ffffff;
    --text: #1f2a33;
    --muted: #5f6b73;
    --accent: #dfeaf6;
    --accent-strong: #9fb8d6;
    --line: #e6edf5;
    --max-width: 860px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Source Sans 3', system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-y: scroll;
    scrollbar-gutter: stable;
}

h1, h2, h3 {
    font-family: 'Cormorant Garamond', 'Times New Roman', serif;
    font-weight: 500;
    margin: 0 0 0.6rem 0;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.92);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(6px);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
}

.brand-link {
    font-family: 'Tangerine', 'Cormorant Garamond', 'Times New Roman', serif;
    font-size: 2.2rem;
    letter-spacing: 0.02em;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown summary {
    list-style: none;
    cursor: pointer;
}

.nav-dropdown summary::-webkit-details-marker {
    display: none;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    min-width: 180px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0.6rem 0.6rem;
    margin-left: 0.4rem;
    text-align: right;
    justify-items: end;
    display: none;
    gap: 0.4rem;
    margin-top: 0.6rem;
    box-shadow: 0 10px 30px rgba(31, 42, 51, 0.08);
    z-index: 20;
}

.nav-dropdown[open] .nav-dropdown-menu {
    display: grid;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--muted);
    border-bottom: 1px solid transparent;
    padding-bottom: 0.1rem;
}

.nav-link:hover {
    border-bottom-color: var(--accent-strong);
}

.nav-link.is-active {
    color: var(--text);
}

.admin-link {
    padding-left: 0.4rem;
}

.menu-toggle {
    display: none;
}

.menu-label {
    display: none;
    font-size: 0.9rem;
    color: var(--muted);
    border: 1px solid var(--line);
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
}

.hero {
    width: 100%;
}

.hero-image {
    width: 100%;
    height: 340px;
    object-fit: cover;
    display: block;
    filter: saturate(0.85);
}

.site-main {
    padding: 2.5rem 0 4rem;
}

.intro {
    margin-top: 1.5rem;
    margin-bottom: 2.5rem;
}

.intro-text {
    color: var(--muted);
    max-width: 520px;
}

.home-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
    margin-top: 1.5rem;
}

.home-right h2 {
    margin-top: 0;
}

.post-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: grid;
    gap: 0.9rem;
}

.post-list li {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) auto;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    padding-bottom: 0.75rem;
}

.post-link {
    font-weight: 500;
}

.post-date {
    color: var(--muted);
    font-size: 0.9rem;
    white-space: nowrap;
    text-align: left;
}

.accordion {
    display: grid;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.accordion-item {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    padding: 0.4rem 0.9rem;
    border-left: 2px solid transparent;
}

.accordion-summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 0.2rem;
}

.accordion-summary::-webkit-details-marker {
    display: none;
}

.accordion-title {
    font-weight: 500;
    color: var(--text);
}

.accordion-summary:hover .accordion-title {
    color: var(--accent-strong);
}

.accordion-date {
    color: var(--muted);
    font-size: 0.9rem;
    white-space: nowrap;
}

.accordion-arrow {
    margin-left: auto;
    color: var(--muted);
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.accordion-item[open] .accordion-arrow {
    transform: rotate(90deg);
}

.accordion-item[open] {
    border-left-color: var(--accent-strong);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    margin-left: 0.6rem;
    border: 1px solid var(--line);
    color: var(--muted);
}

.status-live {
    background: #eef4fb;
    border-color: #d7e5f3;
}

.status-draft {
    background: #f6f2ea;
    border-color: #e8dfd2;
}

.accordion-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease, opacity 0.25s ease;
    opacity: 0;
}

.accordion-body-inner {
    overflow: hidden;
    color: var(--text);
    padding: 0 0.2rem;
}

.accordion-item[open] .accordion-body {
    grid-template-rows: 1fr;
    opacity: 1;
}

.accordion-item[open] .accordion-body-inner {
    padding: 0.4rem 0.2rem 0.8rem;
}

@media (prefers-reduced-motion: reduce) {
    .accordion-body {
        transition: none;
    }
}

.content {
    max-width: 720px;
}

.body-text {
    color: var(--text);
}

.body-text p {
    margin: 0 0 1.2rem 0;
}

.post-meta {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.post-category {
    color: var(--accent-strong);
}

.post-sep {
    margin: 0 0.4rem;
}

.next-post {
    margin-top: 2.5rem;
}

.next-post-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--muted);
    border-bottom: 1px solid transparent;
}

.next-post-link:hover {
    color: var(--text);
    border-bottom-color: var(--accent-strong);
}

.next-post-arrow {
    font-size: 1.1rem;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 2rem 0;
    color: var(--muted);
    font-size: 0.85rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
}

.footer-left {
    text-align: left;
}

.footer-center {
    text-align: center;
}

.footer-right {
    text-align: right;
}

.footer-link {
    color: var(--muted);
    border-bottom: 1px solid transparent;
    font-size: 0.8rem;
}

.footer-link:hover {
    border-bottom-color: var(--line);
    color: var(--text);
}

.admin {
    max-width: 900px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.admin-section {
    margin-top: 2.5rem;
}

.admin-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.admin-metric {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: 0.75rem;
}

.form {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-inline {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.2rem;
}

.form label {
    display: grid;
    gap: 0.4rem;
    font-size: 0.9rem;
    color: var(--muted);
}

input, textarea, select {
    border: 1px solid var(--line);
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    background: #fff;
}

textarea {
    resize: vertical;
}

button, .button {
    border: 1px solid var(--accent-strong);
    background: var(--accent);
    color: var(--text);
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.4rem;
    height: 2.4rem;
    padding: 0;
    border-radius: 8px;
    border: 1px solid var(--accent-strong);
    background: var(--accent);
    color: var(--text);
    font-size: 1rem;
}

.button.ghost {
    background: transparent;
}

.small {
    font-size: 0.85rem;
}

.inline {
    display: inline;
}

.danger {
    border-color: #c88;
    background: #f7e9e9;
}

.notice {
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
}

.notice.success {
    background: #eef6ef;
    border: 1px solid #cfe4d2;
}

.notice.error {
    background: #fbeeee;
    border: 1px solid #f0cccc;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    text-align: left;
    padding: 0.6rem 0.4rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

@media (max-width: 800px) {
    .home-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border-radius: 0;
        border: none;
        padding: 0.3rem 0 0.6rem;
        margin-top: 0;
        margin-left: 0.4rem;
        text-align: left;
        justify-items: start;
    }

    .admin-grid {
        grid-template-columns: 1fr;
    }

    .admin-list li {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: 0.6rem 0 1rem;
        gap: 0.4rem;
    }

    .menu-label {
        display: inline-flex;
    }

    .menu-toggle:checked + .menu-label + .site-nav {
        display: flex;
    }

    .nav-wrap {
        flex-wrap: wrap;
        gap: 0.6rem;
        align-items: flex-start;
    }

    .brand {
        width: 100%;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 0.35rem 0;
    }

    .nav-dropdown summary {
        width: 100%;
    }

    .post-list li {
        grid-template-columns: 1fr;
    }

    .hero-image {
        height: 240px;
    }
}
.footer-admin {
    font-size: 0.95rem;
    color: var(--muted);
    border-bottom: 1px solid transparent;
    opacity: 0.7;
}

.footer-admin:hover {
    border-bottom-color: var(--line);
    opacity: 1;
}

.admin-subtitle {
    margin: 0.2rem 0 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.admin-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.admin-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 1.5rem;
    background: #fff;
}

.admin-hint {
    color: var(--muted);
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

.admin-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.8rem;
}

.admin-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
}

@media (max-width: 800px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        text-align: center;
    }

    .footer-left,
    .footer-center,
    .footer-right {
        text-align: center;
    }
}