:root {
    --bg: #0d0914;
    --bg-soft: #130d1e;
    --surface: #181022;
    --surface-elevated: #21162e;
    --text: #f3edf7;
    --text-soft: #c8bdd2;
    --text-muted: #91859d;
    --border: rgba(205, 184, 219, 0.15);
    --purple: #9b7bff;
    --purple-soft: #bda8ff;
    --lavender: #d8c9ff;
    --pink: #e89ac7;
    --pink-soft: #f2b8d8;
    --focus: #bba0ff;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background:
        radial-gradient(
            circle at 20% 0%,
            rgba(155, 123, 255, 0.13),
            transparent 42%
        ),
        radial-gradient(
            circle at 90% 16%,
            rgba(232, 154, 199, 0.09),
            transparent 40%
        ),
        linear-gradient(180deg, #100a18 0%, var(--bg) 55%, #0b0711 100%);
    color: var(--text-soft);
    font-family:
        "Avenir Next", "Segoe UI", "Inter", "Helvetica Neue", sans-serif;
    line-height: 1.68;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(216, 201, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(216, 201, 255, 0.02) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: radial-gradient(circle at center, black 60%, transparent 100%);
    z-index: -1;
}

a {
    color: var(--lavender);
    text-decoration-color: rgba(216, 201, 255, 0.55);
    text-underline-offset: 0.16em;
}

a:hover {
    color: #f6eeff;
    text-decoration-color: var(--purple);
}

.container {
    width: min(1120px, calc(100% - 2.4rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(16, 10, 24, 0.82);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.header-inner {
    min-height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    font-family:
        "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
    letter-spacing: 0.07em;
    font-size: 0.9rem;
    line-height: 1.15;
    display: grid;
    text-decoration: none;
    color: var(--text);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.94rem;
}

.site-nav a,
.site-nav summary {
    color: var(--text-soft);
    text-decoration: none;
}

.site-nav a:hover,
.site-nav summary:hover {
    color: var(--lavender);
}

.labs-menu {
    position: relative;
}

.labs-menu summary {
    list-style: none;
    cursor: pointer;
}

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

.labs-menu-panel {
    position: absolute;
    top: 1.7rem;
    right: -0.3rem;
    min-width: 12.5rem;
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 0.45rem;
    display: grid;
    gap: 0.2rem;
    box-shadow: 0 10px 26px rgba(5, 2, 11, 0.35);
}

.labs-menu-panel a {
    padding: 0.4rem 0.5rem;
}

.nav-toggle {
    display: none;
}

.site-main {
    min-height: 72vh;
}

.section {
    padding-block: 3.1rem;
}

.mono-label {
    font-family:
        "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 0.76rem;
    color: var(--text-muted);
}

h1,
h2,
h3 {
    font-family:
        "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
    line-height: 1.2;
    margin: 0 0 0.8rem;
    color: var(--text);
}

p {
    margin: 0 0 1rem;
}

.lead {
    font-size: 1.11rem;
    max-width: 66ch;
    color: var(--text-soft);
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2rem;
    padding-block: 4.1rem 3rem;
}

.hero h1 {
    font-size: clamp(2.2rem, 4.8vw, 4.4rem);
    color: #fbf5ff;
}

.hero-links {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.hero-visual svg {
    width: 100%;
    height: auto;
    border: 1px solid var(--border);
    background: linear-gradient(
        160deg,
        rgba(29, 19, 42, 0.9) 0%,
        rgba(18, 12, 29, 0.95) 100%
    );
}

.grid-box {
    fill: none;
    stroke: rgba(216, 201, 255, 0.18);
}

.network-lines line,
.network-lines path {
    stroke: url(#lineTone);
    stroke-width: 1.5;
    fill: none;
    opacity: 0.84;
}

.network-nodes circle {
    fill: var(--purple-soft);
    filter: drop-shadow(0 0 9px rgba(155, 123, 255, 0.5));
}

.network-nodes .pink-node {
    fill: var(--pink);
    filter: drop-shadow(0 0 10px rgba(232, 154, 199, 0.45));
}

.coord {
    font-size: 10px;
    fill: #afa2c4;
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
    letter-spacing: 0.08em;
}

.section-title,
.page-title {
    font-size: clamp(1.7rem, 3vw, 2.85rem);
    color: #f8f1ff;
}

.split-list {
    border-top: 1px solid var(--border);
}

.lab-row,
.article-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.2rem;
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    margin-inline: -1rem;
    transition: background-color 180ms ease;
}

.lab-row:hover,
.article-row:hover {
    background: rgba(155, 123, 255, 0.08);
}

.lab-row-meta,
.article-row-meta {
    display: grid;
    align-content: start;
    justify-items: end;
    gap: 0.35rem;
    color: var(--text-muted);
    font-size: 0.84rem;
    text-align: right;
    max-width: 22ch;
}

.lab-row-meta a,
.article-row-meta a {
    text-decoration: none;
}

.featured-block {
    border: 1px solid var(--border);
    background: linear-gradient(
        170deg,
        rgba(36, 24, 50, 0.82),
        rgba(21, 13, 32, 0.9)
    );
    padding: 2rem;
}

.meta-line {
    color: var(--text-muted);
    font-size: 0.83rem;
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

.explore-board {
    border: 1px solid var(--border);
    background: linear-gradient(
        160deg,
        rgba(28, 19, 40, 0.9),
        rgba(16, 11, 26, 0.95)
    );
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.7rem;
}

.topics-grid span {
    border: 1px solid rgba(216, 201, 255, 0.25);
    padding: 0.75rem;
    font-size: 0.9rem;
    background: rgba(161, 127, 255, 0.08);
    color: var(--text-soft);
}

.statement {
    max-width: 800px;
}

.statement-title {
    font-family:
        "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
    font-size: clamp(1.42rem, 2vw, 2rem);
    margin-bottom: 0.36rem;
    color: #f6efff;
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.85rem;
    margin: 1.5rem 0 2rem;
}

label {
    display: grid;
    gap: 0.45rem;
    font-size: 0.86rem;
    color: var(--text-muted);
}

input,
select,
textarea,
button {
    font: inherit;
    color: var(--text);
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid rgba(216, 201, 255, 0.25);
    background: var(--surface-elevated);
    padding: 0.56rem 0.62rem;
    color: var(--text);
}

input:focus,
select:focus,
textarea:focus,
button:focus,
a:focus {
    outline: 2px solid var(--focus);
    outline-offset: 1px;
}

button,
.admin-actions a,
.pagination-link,
.copy-link,
.action-primary,
.action-secondary {
    border: 1px solid rgba(189, 168, 255, 0.45);
    background: rgba(155, 123, 255, 0.12);
    color: var(--lavender);
    padding: 0.5rem 0.76rem;
    text-decoration: none;
    display: inline-block;
    font-size: 0.86rem;
    border-radius: 6px;
    transition:
        transform 180ms ease,
        border-color 180ms ease,
        box-shadow 180ms ease,
        background-color 180ms ease;
}

button:hover,
.admin-actions a:hover,
.pagination-link:hover,
.copy-link:hover,
.action-primary:hover,
.action-secondary:hover {
    transform: translateY(-1px);
    border-color: var(--purple-soft);
    box-shadow: 0 8px 20px rgba(71, 42, 120, 0.25);
}

.action-primary {
    background: linear-gradient(
        130deg,
        rgba(155, 123, 255, 0.5),
        rgba(189, 168, 255, 0.35)
    );
    color: #fdf8ff;
}

.action-secondary {
    background: rgba(22, 15, 34, 0.75);
}

.article-shell {
    max-width: 760px;
}

.article-title {
    font-size: clamp(2rem, 4vw, 3.3rem);
    color: #fff7ff;
}

.article-meta-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.86rem;
    margin-bottom: 1.2rem;
}

.article-cover {
    margin: 0 0 1.2rem;
}

.article-cover img {
    width: 100%;
    border: 1px solid var(--border);
    height: auto;
}

.article-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1.5rem;
}

.copy-feedback {
    font-size: 0.82rem;
    color: var(--pink-soft);
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

.markdown-body {
    font-size: 1.06rem;
    color: #ece2f2;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    margin-top: 2rem;
    color: #f7eeff;
}

.markdown-body a {
    color: var(--purple-soft);
}

.markdown-body blockquote {
    border-left: 2px solid var(--purple);
    margin: 1.3rem 0;
    padding: 0.1rem 0 0.1rem 1rem;
    color: #cec2d9;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 1.35rem;
}

.markdown-body code {
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
    background: #2a1d3a;
    color: #f8ecff;
    padding: 0.08rem 0.3rem;
    border: 1px solid rgba(216, 201, 255, 0.2);
}

.markdown-body pre {
    overflow-x: auto;
    padding: 0.9rem;
    border: 1px solid rgba(216, 201, 255, 0.2);
    background: #21152f;
}

.markdown-body pre code {
    border: 0;
    background: transparent;
    padding: 0;
}

.markdown-body table {
    display: block;
    width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
    margin: 1.3rem 0;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid rgba(216, 201, 255, 0.2);
    padding: 0.5rem;
    text-align: left;
}

.markdown-body hr {
    border: 0;
    border-top: 1px solid rgba(216, 201, 255, 0.2);
    margin: 1.8rem 0;
}

.about-profile-grid {
    display: grid;
    grid-template-columns: 1.2fr minmax(210px, 300px);
    gap: 2.3rem;
    align-items: start;
}

.about-block {
    border-top: 1px solid var(--border);
}

.profile-portrait-frame {
    position: relative;
    width: clamp(280px, 28vw, 320px);
    aspect-ratio: 4 / 5;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(189, 168, 255, 0.22);
    box-shadow:
        0 14px 30px rgba(12, 7, 20, 0.45),
        0 0 0 1px rgba(155, 123, 255, 0.12),
        0 10px 28px rgba(132, 95, 204, 0.14);
    justify-self: end;
}

.profile-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.profile-portrait-placeholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 0.2rem;
    color: var(--lavender);
    background: linear-gradient(
        165deg,
        rgba(155, 123, 255, 0.45),
        rgba(45, 27, 67, 0.9)
    );
}

.profile-portrait-placeholder span {
    font-size: clamp(2.4rem, 5vw, 3.2rem);
    line-height: 1;
}

.profile-portrait-placeholder small {
    font-size: 0.86rem;
    color: var(--pink-soft);
}

.portrait-sparkle {
    position: absolute;
    top: 0.45rem;
    right: 0.55rem;
    color: var(--pink-soft);
    font-size: 0.88rem;
    text-shadow: 0 0 8px rgba(232, 154, 199, 0.35);
}

.social-links {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid rgba(216, 201, 255, 0.2);
    padding: 0.34rem 0.52rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.82rem;
    color: var(--text-soft);
    background: rgba(155, 123, 255, 0.06);
}

.social-link:hover {
    color: var(--pink-soft);
    border-color: rgba(232, 154, 199, 0.5);
}

.social-icon {
    width: 0.95rem;
    height: 0.95rem;
    display: inline-flex;
}

.social-icon svg {
    width: 100%;
    height: 100%;
}

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 90;
    width: 100%;
    height: 2px;
}

.reading-progress__bar {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--purple) 0%, var(--pink-soft) 100%);
}

.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 4rem;
    padding: 2.3rem 0;
    background: linear-gradient(180deg, transparent, rgba(20, 13, 30, 0.85));
}

.footer-inner {
    display: grid;
    gap: 0.8rem;
}

.footer-brand {
    margin: 0;
    font-family:
        "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
    color: #f8f0ff;
}

.footer-muted,
.footer-note {
    color: var(--text-muted);
    margin: 0;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.pagination {
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.pagination-meta {
    color: var(--text-muted);
    font-size: 0.86rem;
}

.disabled {
    opacity: 0.45;
}

.admin-shell {
    max-width: 980px;
}

.admin-form {
    display: grid;
    gap: 0.9rem;
}

.admin-form.narrow {
    max-width: 480px;
}

.admin-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.admin-grid-2 .full-col {
    grid-column: 1 / -1;
}

.admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 0.85rem 0 1.5rem;
}

.admin-actions form {
    margin: 0;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.7rem;
    margin-bottom: 1rem;
}

.admin-stats div,
.profile-status-row {
    border: 1px solid var(--border);
    padding: 0.7rem;
    background: rgba(155, 123, 255, 0.06);
}

.profile-status-row p {
    margin: 0.2rem 0;
}

.admin-stats span {
    color: var(--text-muted);
    font-size: 0.84rem;
    display: block;
}

.admin-stats strong {
    font-size: 1.2rem;
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
    color: var(--text);
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th,
td {
    border-bottom: 1px solid var(--border);
    padding: 0.58rem;
    text-align: left;
    font-size: 0.9rem;
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.table-actions form {
    margin: 0;
}

.inline-check {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.inline-check input {
    width: auto;
}

.profile-admin-photo {
    margin-bottom: 0.6rem;
}

.profile-portrait-frame--admin {
    width: min(200px, 100%);
    border-radius: 18px;
    box-shadow:
        0 10px 20px rgba(12, 7, 20, 0.35),
        0 8px 20px rgba(132, 95, 204, 0.1);
}

.form-hint {
    margin-top: -0.3rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.error {
    color: #ff9ccc;
    margin: 0;
    font-size: 0.84rem;
}

.flash {
    margin-top: 1rem;
    border: 1px solid var(--border);
    padding: 0.7rem;
    background: rgba(232, 154, 199, 0.1);
    color: var(--text);
}

@media (max-width: 980px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .about-profile-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .profile-portrait-frame {
        width: clamp(210px, 48vw, 300px);
        justify-self: start;
    }
}

@media (max-width: 760px) {
    .nav-toggle {
        display: inline-block;
        border: 1px solid var(--border);
        background: transparent;
        padding: 0.4rem 0.55rem;
        color: var(--text-soft);
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 4rem;
        right: 0.7rem;
        left: 0.7rem;
        border: 1px solid var(--border);
        background: var(--surface);
        padding: 0.75rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav.is-open {
        display: flex;
    }

    .lab-row,
    .article-row {
        grid-template-columns: 1fr;
    }

    .lab-row-meta,
    .article-row-meta {
        justify-items: start;
        text-align: left;
    }

    .admin-grid-2 {
        grid-template-columns: 1fr;
    }

    .profile-portrait-frame {
        width: clamp(180px, 56vw, 230px);
        justify-self: center;
        border-radius: 20px;
    }

    .profile-portrait-frame--admin {
        width: min(170px, 100%);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto;
        animation: none !important;
        transition: none !important;
    }
}