* {
    box-sizing: border-box;
}

:root {
    --content-width: max(80vw, min(90vw, 1500px));
    --header-logo-size: 182px;
    --header-logo-gap: 1rem;
    --header-logo-left-offset: calc((100vw - var(--content-width)) / 2);
}

body {
    margin: 0;
    font-family: "Avenir Next", "Segoe UI", sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at top right, var(--bg-glow) 0, var(--bg) 52%);
}

.container {
    width: var(--content-width);
    margin: 0 auto;
}

.site-header {
    position: relative;
    overflow: visible;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
}

.header-logo-link {
    flex: 0 0 auto;
    width: var(--header-logo-size);
    height: var(--header-logo-size);
    display: block;
    margin-left: var(--header-logo-left-offset);
    margin-bottom: calc(var(--header-logo-size) * -0.25);
    z-index: 3;
}

.header-logo-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

.nav-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.2rem;
    padding: 0.8rem 0 0.45rem;
}

.brand {
    text-decoration: none;
    color: var(--ink);
    font-weight: 700;
    padding-top: 0.2rem;
    align-self: flex-end;
    margin-right: auto;
    margin-left: var(--header-logo-gap);
}

.nav-shell {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.45rem;
}

.top-nav-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
}

.primary-nav {
    display: flex;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 0.95rem;
    margin-top: 0.28rem;
}

.primary-nav a {
    color: var(--ink);
    text-decoration: none;
    line-height: 1.1;
}

.primary-nav a:hover {
    text-decoration: underline;
}

.nav-user {
    display: inline-flex;
    align-items: flex-end;
    gap: 0.5rem;
    font-size: 0.95rem;
    white-space: nowrap;
}

.nav-user-name {
    line-height: 1;
    padding-bottom: 0.1rem;
}

.action-nav-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.6rem;
    width: 100%;
}

.nav-logout button {
    margin: 0;
}

.breadcrumb-row {
    border-top: 1px solid var(--border);
    padding: 0.45rem 0 0.6rem;
    padding-left: calc(
        var(--header-logo-left-offset) + var(--header-logo-size) + var(--header-logo-gap)
    );
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: var(--muted);
    text-decoration: none;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

.breadcrumb-current {
    color: var(--ink);
    font-weight: 600;
}

.breadcrumb-sep {
    color: var(--muted);
}

section {
    margin: 1.2rem 0 2rem;
}

.content-shell {
    padding-top: calc(var(--header-logo-size) * 0.15);
}

h1,
h2,
h3 {
    margin: 0 0 0.6rem;
}

p {
    margin: 0.4rem 0;
}

.flash {
    border: 1px solid var(--border);
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    margin-top: 1rem;
    background: var(--card);
}

.flash-success {
    border-color: #95cdb7;
}

.flash-error {
    border-color: #e2a9a9;
}

.gallery-grid,
.thumb-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}

.card,
.thumb-card,
.panel {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    padding: 0.85rem;
}

.gallery-preview-link {
    display: block;
    margin: -0.85rem -0.85rem 0.75rem;
}

.gallery-preview-image {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
    border-bottom: 1px solid var(--border);
}

.thumb-card img,
.detail-image {
    width: 100%;
    display: block;
    border-radius: 8px;
    height: auto;
}

.thumb-foot {
    margin-top: 0.55rem;
}

.form-shell {
    max-width: 700px;
}

.stack-form {
    display: grid;
    gap: 0.8rem;
}

.stack-form input,
.stack-form textarea,
.stack-form select,
table input,
table select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.45rem;
    background: var(--card);
    color: var(--ink);
}

button,
.btn-link {
    display: inline-block;
    background: var(--accent);
    color: var(--button-ink);
    text-decoration: none;
    border: none;
    border-radius: 6px;
    padding: 0.45rem 0.75rem;
    cursor: pointer;
}

.theme-toggle {
    min-width: 7.3rem;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.45rem 1rem;
}

.checkbox-grid input {
    width: auto;
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
}

.meta {
    color: var(--muted);
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--border);
    background: var(--card);
}

th,
td {
    border-bottom: 1px solid var(--border);
    text-align: left;
    padding: 0.55rem;
    vertical-align: top;
}

.meta-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.35rem 1rem;
}

.meta-list dt {
    font-weight: 700;
}

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

.comment-list li {
    border-top: 1px solid var(--border);
    padding: 0.75rem 0;
}

.avatar {
    border-radius: 50%;
    clip-path: circle(50% at 50% 50%);
    object-fit: cover;
    width: 64px;
    height: 64px;
    border: 1px solid var(--border);
    background: var(--card);
}

.avatar-sm {
    width: 30px;
    height: 30px;
}

.avatar-lg {
    width: 92px;
    height: 92px;
}

.avatar-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
}

.option-row {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.option-row input {
    width: auto;
}

.gallery-preview-current img {
    display: block;
    width: min(100%, 320px);
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.home-link-list {
    display: grid;
    gap: 0.7rem;
}

@media (max-width: 900px) {
    :root {
        --content-width: min(94vw, 900px);
        --header-logo-size: 120px;
        --header-logo-gap: 0.75rem;
        --header-logo-left-offset: 1.25rem;
    }
}

.gravatar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.55rem;
}

.gravatar-option {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.55rem;
    background: var(--card);
    display: grid;
    gap: 0.45rem;
    align-content: start;
}

.gravatar-option input {
    width: auto;
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(6, 18, 16, 0.94);
    display: grid;
    place-items: center;
    padding: 1rem;
    z-index: 999;
}

.lightbox img {
    max-width: min(90vw, 1400px);
    max-height: 72vh;
    object-fit: contain;
}

.lightbox-meta {
    color: white;
    max-width: min(90vw, 1000px);
}

.lightbox-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.hidden {
    display: none;
}

@media (max-width: 700px) {
    :root {
        --header-logo-size: 94px;
        --header-logo-left-offset: 0.6rem;
    }

    .nav-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding-bottom: 0.55rem;
    }

    .header-logo-link {
        margin-bottom: 0;
    }

    .nav-shell {
        align-items: flex-start;
        width: 100%;
    }

    .top-nav-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.55rem;
    }

    .primary-nav {
        margin-top: 0;
    }

    .action-nav-row {
        justify-content: flex-start;
    }

    .breadcrumb-row {
        padding-top: 0.35rem;
        padding-left: 0;
    }

    .section-head {
        flex-direction: column;
    }
}