/* DeepMicroscopy CMS — mobile-first stylesheet.
   One bold moment (the hero "field of view"); everything else stays quiet and
   legible. Accent is the group's own brand purple. */

@font-face {
  font-family: "Kanit";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/static/fonts/kanit-600.woff2") format("woff2");
}
@font-face {
  font-family: "Kanit";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/static/fonts/kanit-700.woff2") format("woff2");
}

:root {
  --ink: #14181d;
  --ink-soft: #4a545e;
  --ink-faint: #7a848e;
  --paper: #fbfcfd;
  --surface: #ffffff;
  --line: #e4e8ec;
  --line-soft: #eef1f4;
  --accent: #b980ff;
  --accent-deep: #8a2bff;
  --accent-wash: #f4ecff;
  --danger: #c0392b;
  --focus: #8a2bff;

  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(20, 24, 29, .05), 0 6px 20px rgba(20, 24, 29, .05);
  --maxw: 68rem;
  --readw: 44rem;

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --heading: "Kanit", var(--sans);
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9edf1;
    --ink-soft: #aab4be;
    --ink-faint: #7c868f;
    --paper: #0f1317;
    --surface: #161b21;
    --line: #262d35;
    --line-soft: #1f252c;
    --accent: #c9a3ff;
    --accent-deep: #a970ff;
    --accent-wash: #241a33;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--heading); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 .5em; font-weight: 600; }
h1 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); }
h3 { font-size: 1.2rem; }

a { color: var(--accent-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--surface); color: var(--ink);
  padding: .6rem 1rem; border-radius: 0 0 var(--radius) 0; z-index: 20;
}
.skip-link:focus { left: 0; }

.bar {
  width: min(var(--maxw), 100% - 2.5rem);
  margin-inline: auto;
}

/* ---------- header / nav ---------- */

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 3.75rem; position: relative;
}

.brand { display: inline-flex; align-items: center; color: var(--ink); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand-logo { display: block; width: auto; }
@media (prefers-color-scheme: dark) {
  .brand-logo { filter: invert(1); }
}

.nav-toggle-label {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 4px;
  width: 2.5rem; height: 2.5rem; padding: .55rem; cursor: pointer;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
}
.nav-toggle-label span { height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.site-nav { display: none; position: absolute; top: calc(100% + 1px); right: 0; left: 0;
  background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
.nav-toggle:checked ~ .site-nav { display: block; }
.site-nav ul { list-style: none; margin: 0; padding: .5rem 0; display: flex; flex-direction: column; }
.site-nav a {
  display: block; padding: .7rem clamp(1.25rem, 5vw, 2rem); color: var(--ink); font-weight: 500;
}
.site-nav a:hover { background: var(--accent-wash); text-decoration: none; }
.nav-admin { color: var(--accent-deep); }

@media (min-width: 780px) {
  .nav-toggle-label { display: none; }
  .site-nav { display: block; position: static; border: 0; box-shadow: none; background: transparent; }
  .site-nav ul { flex-direction: row; padding: 0; gap: .25rem; }
  .site-nav a { padding: .5rem .8rem; border-radius: var(--radius); }
}

/* ---------- layout blocks ---------- */

.site-main { padding: clamp(1.75rem, 1rem + 3vw, 3.5rem) 0 3.5rem; }
.site-main > * { width: min(var(--maxw), 100% - 2.5rem); margin-inline: auto; }
.stack > * + * { margin-top: 1.5rem; }

.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.section-head h2 { margin: 0; }
.more { white-space: nowrap; font-weight: 500; }

.page-head { margin-bottom: 2rem; }
.page-head .lede { color: var(--ink-soft); }

.eyebrow { color: var(--accent-deep); font-weight: 600; font-size: .85rem; letter-spacing: .04em; margin: 0 0 .5rem; }
.lede { font-size: clamp(1.05rem, 1rem + .4vw, 1.25rem); }

.empty { color: var(--ink-faint); font-style: italic; }
.muted { color: var(--ink-soft); }
.small { font-size: .9rem; }
.tiny { font-size: .82rem; color: var(--ink-faint); }
.mono { font-family: var(--mono); font-size: .92em; }

/* ---------- hero ---------- */

.hero {
  position: relative; overflow: hidden; isolation: isolate;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(2rem, 1.2rem + 4vw, 4rem);
  color: #fff;
}
.hero .background-wrapper {
  position: absolute; inset: 0; z-index: -1;
}
.hero .background-wrapper img {
  width: 100%; height: 100%; object-fit: cover; object-position: 68% 42%;
}
.hero .background-wrapper::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10, 8, 20, .92) 0%, rgba(10, 8, 20, .72) 42%, rgba(10, 8, 20, .38) 100%);
}
.hero-inner { position: relative; max-width: 40rem; }
.hero h1 { margin-bottom: .4rem; }
.hero .eyebrow { color: var(--accent); }
.hero .lede { color: rgba(255, 255, 255, .82); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }

#research-group { margin-top: clamp(2.5rem, 1.75rem + 2.5vw, 4rem); }
.hero .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .45); }
.hero .btn-ghost:hover { background: rgba(255, 255, 255, .15); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--accent-deep); color: #fff; font-weight: 600;
  font-family: var(--heading); text-transform: uppercase; letter-spacing: .03em;
  padding: .6rem 1.1rem; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; font-size: .88rem; line-height: 1.2;
}
.btn:hover { background: var(--accent); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--line-soft); }
.btn-sm { padding: .4rem .75rem; font-size: .9rem; }

/* ---------- post lists ---------- */

.post-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.post-item { background: var(--surface); }
.post-link { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; padding: 1.25rem 1.4rem; color: var(--ink); }
.post-link:hover { background: var(--accent-wash); text-decoration: none; }
.post-link-text { min-width: 0; flex: 1; }
.post-link h3 { margin: .15rem 0 .35rem; }
.post-date { color: var(--accent-deep); font-size: .82rem; font-weight: 600; letter-spacing: .02em; }
.post-summary { margin: 0; color: var(--ink-soft); }
.post-thumb { width: 6rem; height: 6rem; flex-shrink: 0; border-radius: var(--radius); object-fit: cover; }
@media (max-width: 560px) { .post-thumb { width: 4rem; height: 4rem; } }

/* ---------- article / prose ---------- */

.article { max-width: var(--readw); margin-inline: auto; }
.article-head { margin-bottom: 1.5rem; }
.article-meta { color: var(--ink-faint); font-size: .9rem; margin: 0 0 .4rem; display: flex; gap: .5rem; align-items: center; }
.article-meta .dot { color: var(--line); }
.grant-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); }
.grant-card + .grant-card { margin-top: 1.25rem; }
.grant-card .eyebrow { margin-bottom: .6rem; }
.grant-card .eyebrow .dot { color: var(--ink-faint); margin: 0 .4em; }
.grant-card h2 { margin: 0 0 .75rem; }
.grant-card h2 a { color: var(--ink); }
.grant-card h2 a:hover { color: var(--accent-deep); text-decoration: none; }
.grant-card .lede { color: var(--ink-soft); font-size: 1.05rem; margin: 0 0 1.25rem; }
.article-back { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }

.prose { font-size: 1.05rem; }
.prose > * + * { margin-top: 1.1em; }
.prose h2, .prose h3 { margin-top: 1.8em; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose img { border-radius: var(--radius); border: 1px solid var(--line); display: block; }
.prose figure { margin: 1.5em 0; }
.prose figcaption { color: var(--ink-faint); font-size: .9rem; text-align: center; margin-top: .5rem; }
.prose blockquote {
  margin: 1.5em 0; padding: .4em 1.2em; border-left: 3px solid var(--accent);
  color: var(--ink-soft); background: var(--accent-wash); border-radius: 0 var(--radius) var(--radius) 0;
}
.prose pre {
  background: var(--ink); color: #f4f6f8; padding: 1rem 1.15rem; border-radius: var(--radius);
  overflow-x: auto; font-family: var(--mono); font-size: .9rem; line-height: 1.5;
}
.prose code { font-family: var(--mono); font-size: .9em; background: var(--line-soft); padding: .12em .4em; border-radius: 5px; }
.prose pre code { background: none; padding: 0; }
.prose table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: .5rem .7rem; text-align: left; }
.prose th { background: var(--line-soft); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: .3em; }

/* ---------- research group ---------- */

.pi-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .pi-grid { grid-template-columns: 1fr 1fr; } }
.pi-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; }
.pi-photo, .pi-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 8rem; height: 8rem; border-radius: 50%; margin-bottom: 1.1rem;
  object-fit: cover; background: var(--accent-wash); color: var(--accent-deep);
  font-family: var(--heading); font-weight: 700; font-size: 2.2rem;
}
.pi-card h3 { margin-bottom: .2rem; }
.pi-role { margin: 0; font-weight: 600; color: var(--ink); }
.pi-affiliation { margin: .1rem 0 0; color: var(--ink-soft); }

.subgroup h2 { margin-bottom: .2rem; }
.subgroup h2 a { color: var(--ink); }
.subgroup h4 { margin: 1.4em 0 .3em; font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); }
.team-list { color: var(--ink-soft); }

.member-grid { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }
.member { display: flex; flex-direction: column; align-items: center; gap: .5rem; width: 5.5rem; text-align: center; }
.member img, .member-avatar {
  width: 3.4rem; height: 3.4rem; border-radius: 50%; object-fit: cover;
  background: var(--accent-wash); color: var(--accent-deep);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--heading); font-weight: 700; font-size: .85rem;
}
.member span:last-child { font-size: .8rem; color: var(--ink-soft); line-height: 1.25; }

.team-columns { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 2.5rem; }
@media (min-width: 720px) { .team-columns { grid-template-columns: 1fr 1fr; } }
.team-column-title { font-size: 1rem; margin: 0 0 1.1rem; padding-bottom: .6rem; border-bottom: 1px solid var(--line); }

.profile-head { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.profile-photo, .profile-avatar {
  width: 5.5rem; height: 5.5rem; border-radius: 50%; object-fit: cover; flex-shrink: 0;
  background: var(--accent-wash); color: var(--accent-deep);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--heading); font-weight: 700; font-size: 1.5rem;
}
.profile-head h1 { margin-bottom: .15rem; }

.link-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.link-list li { padding-bottom: .9rem; border-bottom: 1px solid var(--line-soft); }
.link-list li:last-child { border-bottom: 0; padding-bottom: 0; }

/* ---------- publications ---------- */

.pub-year { display: grid; grid-template-columns: 1fr; gap: .5rem; }
.year-label { color: var(--ink-faint); font-size: 1rem; font-weight: 700; letter-spacing: .06em; padding-bottom: .3rem; border-bottom: 1px solid var(--line); }
.pub-list { list-style: none; margin: 0 0 1rem; padding: 0; }
.pub-item { padding: .9rem 0; border-bottom: 1px solid var(--line-soft); }
.pub-title { margin: 0 0 .2rem; font-weight: 600; }
.pub-authors { margin: 0 0 .2rem; color: var(--ink-soft); font-size: .95rem; }
.pub-meta { margin: 0; display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; font-size: .9rem; }
.pub-venue { color: var(--ink-faint); font-style: italic; }
.pub-link { text-transform: uppercase; font-size: .72rem; font-weight: 700; letter-spacing: .06em; padding: .12rem .5rem; border: 1px solid var(--line); border-radius: 999px; color: var(--accent-deep); }
.pub-link:hover { background: var(--accent-wash); text-decoration: none; }
button.pub-link { background: none; font-family: inherit; cursor: pointer; }
button.pub-link:disabled { opacity: .7; cursor: default; }

@media (min-width: 720px) {
  .pub-year { grid-template-columns: 6rem 1fr; gap: 1.5rem; align-items: start; }
  .year-label { border: 0; position: sticky; top: 5rem; }
}

/* ---------- auth ---------- */

.auth { min-height: 55vh; display: grid; place-items: center; }
.auth-card { width: min(24rem, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow); }
.auth-card h1 { font-size: 1.5rem; margin-bottom: .25rem; }

/* ---------- forms ---------- */

.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field > span { font-weight: 600; font-size: .92rem; }
.field-row { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: end; }
.field-narrow { max-width: 10rem; }
input[type=text], input[type=password], input[type=number], textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: .6rem .7rem;
}
input:focus, textarea:focus { outline: 2px solid var(--focus); outline-offset: 1px; border-color: var(--accent); }
textarea { resize: vertical; }
.check { display: flex; align-items: center; gap: .55rem; font-weight: 500; }
.check input { width: 1.1rem; height: 1.1rem; accent-color: var(--accent-deep); }
.form-actions { display: flex; gap: .75rem; align-items: center; }
.form-error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); padding: .6rem .8rem; border-radius: var(--radius); margin: 0 0 1rem; }
.inline-form { display: inline; margin: 0; }

fieldset.field { border: 0; margin: 0; padding: 0; }
fieldset.field .check { margin-top: .3rem; }

.photo-picker { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.photo-preview { width: 4.5rem; height: 4.5rem; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); }
.photo-picker input[type=file] { font-size: .88rem; }
.photo-picker input[type=text] { flex: 1; min-width: 12rem; color: var(--ink-faint); }

/* ---------- admin ---------- */

.admin-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.admin-head h1 { margin: 0; }
.admin-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 820px) { .admin-grid { grid-template-columns: 1fr 1fr; } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.25rem 1.35rem; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .9rem; }
.panel-head h2 { margin: 0; font-size: 1.15rem; }

.table { width: 100%; border-collapse: collapse; font-size: .94rem; }
.table th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); border-bottom: 1px solid var(--line); padding: .4rem .5rem; }
.table td { padding: .55rem .5rem; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.row-actions { display: flex; gap: .75rem; align-items: center; white-space: nowrap; }
.link-sm { background: none; border: 0; padding: 0; font: inherit; font-size: .88rem; color: var(--accent-deep); cursor: pointer; }
.link-sm:hover { text-decoration: underline; }
.link-sm.danger { color: var(--danger); }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: .12rem .5rem; border-radius: 999px; background: var(--line-soft); color: var(--ink-soft); }
.tag-live { background: var(--accent-wash); color: var(--accent-deep); }
.stat { font-size: 1rem; margin: .2rem 0; }
.stat strong { font-size: 1.6rem; }

/* ---------- editor ---------- */

.editor { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.editor-toolbar { display: flex; flex-wrap: wrap; gap: .25rem; padding: .5rem; border-bottom: 1px solid var(--line); background: var(--line-soft); }
.editor-toolbar button { font: inherit; font-size: .85rem; padding: .3rem .55rem; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; cursor: pointer; color: var(--ink); }
.editor-toolbar button:hover { background: var(--accent-wash); border-color: var(--accent); }
.editor-area { min-height: 20rem; padding: 1rem 1.15rem; }
.editor-area:focus { outline: none; }
.editor-area:empty::before { content: "Write here…"; color: var(--ink-faint); }

/* ---------- stats ---------- */

.stat-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.25rem 0 1.75rem; max-width: 30rem; }
.stat-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.2rem 1.3rem; }
.stat-num { font-size: 2rem; font-weight: 700; margin: 0; letter-spacing: -0.02em; }
.stat-label { margin: .1rem 0 0; color: var(--ink-soft); font-size: .9rem; }
.panel + .panel { margin-top: 1.25rem; }

.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.bar-row { display: grid; grid-template-columns: 8rem 1fr 3rem; gap: .75rem; align-items: center; font-size: .9rem; }
.bar-label { color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-count { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
.bar-meter { width: 100%; height: .7rem; appearance: none; -webkit-appearance: none; background: var(--line-soft); border: 0; border-radius: 999px; overflow: hidden; }
.bar-meter::-webkit-meter-bar { background: var(--line-soft); border: 0; border-radius: 999px; }
.bar-meter::-webkit-meter-optimum-value { background: var(--accent); border-radius: 999px; }
.bar-meter::-moz-meter-bar { background: var(--accent); border-radius: 999px; }
@media (max-width: 520px) { .bar-row { grid-template-columns: 6rem 1fr 2.5rem; } }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--ink-soft); font-size: .92rem; }
.site-footer .bar { display: flex; flex-wrap: wrap; gap: .35rem 1.5rem; align-items: baseline; justify-content: space-between; }
.site-footer p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}