/* BioInfStat — group website styles
   Palette from the INP-HB identity: green #1D6F42, blue #1A4F8A, grey #888780 */

:root {
  --green: #1D6F42;
  --green-deep: #14532f;
  --green-wash: #E9F2EC;
  --blue: #1A4F8A;
  --blue-wash: #E8EFF7;
  --grey: #888780;
  --ink: #18221C;
  --ink-soft: #4A554E;
  --paper: #FFFFFF;
  --paper-2: #F4F6F3;
  --line: #D9DFDA;
  --danger: #A12C1F;
  --danger-wash: #FBEDEA;
  --ok-wash: #E9F2EC;
  --focus: #F2A900;

  --serif: "Literata", "Iowan Old Style", Charter, Georgia, serif;
  --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1rem;
  --step-1: 1.2rem;
  --step-2: 1.44rem;
  --step-3: 1.95rem;
  --step-4: 2.6rem;

  --measure: 70ch;
  --wrap: 1120px;
  --r: 6px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { color: var(--green); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; color: var(--ink); margin: 0 0 .5em; }
h1 { font-size: var(--step-4); letter-spacing: -0.01em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }
p { margin: 0 0 1em; }
.prose { max-width: var(--measure); }
.prose p, .abstract { font-family: var(--serif); line-height: 1.7; }
.muted { color: var(--ink-soft); }
.small { font-size: var(--step--1); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 34px; height: 34px; border-radius: 50%; background: var(--green); color: #fff;
  display: grid; place-items: center; font-family: var(--serif); font-weight: 700; font-size: 15px; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 1.15rem; line-height: 1.1; }
.brand-name small { display: block; font-family: var(--sans); font-weight: 400; font-size: .72rem; color: var(--ink-soft); }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--ink); text-decoration: none; padding: 8px 10px; border-radius: var(--r); font-size: .95rem; }
.nav a:hover { background: var(--paper-2); color: var(--green); }
.nav a[aria-current="page"] { color: var(--green); box-shadow: inset 0 -2px 0 var(--green); border-radius: 0; }
.nav .lang { border: 1px solid var(--line); font-size: .82rem; padding: 4px 8px; margin-left: 6px; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: var(--r);
  padding: 8px 12px; font: inherit; cursor: pointer; }
@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--paper);
    flex-direction: column; align-items: stretch; padding: 8px 20px 16px; border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--green); }
  .nav .lang { align-self: flex-start; margin: 8px 0 0; }
}

/* ---------- hero (home) ---------- */
.hero { background: var(--paper-2); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero .wrap { padding-top: 56px; padding-bottom: 0; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); max-width: 22ch; margin-bottom: .35em; }
.hero p { max-width: 58ch; font-size: var(--step-1); color: var(--ink-soft); }
.hero-ridge { margin-top: 28px; height: 150px; background: url("../img/ridge.d2c75494f48b.svg") center bottom / 100% 100% no-repeat; }
.hero-ridge-caption { font-size: .78rem; color: var(--grey); text-align: right; padding: 6px 0 10px; }
@media (prefers-reduced-motion: no-preference) {
  .hero-ridge { animation: rise 1.2s cubic-bezier(.2,.7,.2,1) both; transform-origin: bottom; }
  @keyframes rise { from { transform: scaleY(0.05); opacity: .2; } to { transform: scaleY(1); opacity: 1; } }
}

.facts { display: flex; flex-wrap: wrap; gap: 8px 28px; padding: 18px 0; color: var(--ink-soft); font-size: .95rem; }
.facts strong { color: var(--green); font-family: var(--serif); font-size: 1.25rem; margin-right: 4px; }

/* ---------- page structure ---------- */
main { padding: 40px 0 64px; min-height: 60vh; }
.page-head { margin-bottom: 28px; }
.page-head p { color: var(--ink-soft); max-width: var(--measure); }
section + section { margin-top: 56px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; border-bottom: 2px solid var(--ink); padding-bottom: 6px; margin-bottom: 20px; }
.section-head h2 { margin: 0; font-size: var(--step-2); }
.section-head a { font-size: .92rem; white-space: nowrap; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.two-col { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); gap: 48px; }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- themes ---------- */
.theme { border-left: 4px solid var(--green); padding: 4px 0 4px 16px; }
.theme:nth-child(even) { border-color: var(--blue); }
.theme h3 a { color: var(--ink); text-decoration: none; }
.theme h3 a:hover { color: var(--green); }
.theme p { color: var(--ink-soft); margin: 0; }

/* ---------- people ---------- */
.people { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 28px 20px; }
.person { text-decoration: none; color: var(--ink); display: block; }
.person .portrait { aspect-ratio: 4/5; width: 100%; object-fit: cover; border-radius: var(--r); background: var(--green-wash); }
.portrait-fallback { aspect-ratio: 4/5; border-radius: var(--r); background: var(--green-wash); display: grid; place-items: center;
  font-family: var(--serif); font-size: 3rem; color: var(--green); }
.person strong { display: block; margin-top: 10px; font-family: var(--serif); font-size: 1.1rem; }
.person span { color: var(--ink-soft); font-size: .92rem; }
.person:hover strong { color: var(--green); }
.alumni-list { list-style: none; padding: 0; margin: 0; columns: 2 280px; }
.alumni-list li { padding: 6px 0; break-inside: avoid; }

.profile-head { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: start; margin-bottom: 40px; }
.profile-head .portrait, .profile-head .portrait-fallback { width: 220px; }
.profile-head .portrait { aspect-ratio: 4/5; object-fit: cover; border-radius: var(--r); }
@media (max-width: 640px) { .profile-head { grid-template-columns: 1fr; } .profile-head .portrait, .profile-head .portrait-fallback { width: 160px; } }
.role { color: var(--green); font-weight: 600; margin-bottom: 4px; }
.links { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; padding: 0; list-style: none; }
.links a { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; text-decoration: none; font-size: .9rem; }
.links a:hover { border-color: var(--green); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; list-style: none; }
.tags li { background: var(--green-wash); color: var(--green-deep); border-radius: 4px; padding: 2px 8px; font-size: .88rem; }
.side-block { border-top: 1px solid var(--line); padding-top: 14px; margin-bottom: 28px; }
.side-block h3 { font-family: var(--sans); font-size: .95rem; font-weight: 700; color: var(--ink-soft); }
.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li { padding: 5px 0; }

/* ---------- publications ---------- */
.year-block { display: grid; grid-template-columns: 72px 1fr; gap: 20px; border-top: 1px solid var(--line); padding-top: 14px; margin-bottom: 18px; }
.year-block > h3 { font-size: 1.3rem; color: var(--green); margin: 0; position: sticky; top: 80px; align-self: start; }
@media (max-width: 640px) { .year-block { grid-template-columns: 1fr; gap: 4px; } .year-block > h3 { position: static; } }
.pubs { list-style: none; padding: 0; margin: 0; }
.pub { padding: 0 0 18px; }
.pub-title { font-family: var(--serif); font-size: 1.08rem; font-weight: 600; color: var(--ink); text-decoration: none; line-height: 1.35; }
.pub-title:hover { color: var(--green); text-decoration: underline; }
.pub-authors { margin: 3px 0 0; font-size: .94rem; color: var(--ink-soft); }
.pub-authors strong { color: var(--ink); font-weight: 600; }
.pub-venue { font-size: .94rem; font-style: italic; }
.pub-actions { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 4px; font-size: .88rem; }
.badge { display: inline-block; font-size: .76rem; padding: 1px 7px; border-radius: 4px; background: var(--blue-wash); color: var(--blue); vertical-align: 2px; margin-left: 6px; font-family: var(--sans); font-weight: 600; font-style: normal; }
.badge.green { background: var(--green-wash); color: var(--green-deep); }
.badge.grey { background: var(--paper-2); color: var(--ink-soft); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; background: var(--paper-2); padding: 14px; border-radius: var(--r); margin-bottom: 28px; }
.filters label { display: flex; flex-direction: column; font-size: .82rem; color: var(--ink-soft); gap: 3px; }
.filters .grow { flex: 1 1 220px; }
.result-line { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin: -12px 0 20px; color: var(--ink-soft); font-size: .92rem; }

.cite-box { background: var(--paper-2); border-radius: var(--r); padding: 14px 16px; font-size: .92rem; position: relative; }
.cite-box pre { white-space: pre-wrap; word-break: break-word; margin: 8px 0 0; font-size: .82rem; }

/* ---------- cards: tools & courses ---------- */
.tool { border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: flex; flex-direction: column; gap: 6px; }
.tool-head { display: flex; align-items: center; gap: 10px; }
.tool-head img { width: 36px; height: 36px; object-fit: contain; }
.tool h3 { margin: 0; }
.tool .meta { font-size: .86rem; color: var(--ink-soft); }
.tool .open { margin-top: auto; padding-top: 8px; font-weight: 600; }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--ink-soft); margin-left: auto; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.status[data-state="up"]::before { background: #2E9A5A; }
.status[data-state="down"]::before { background: var(--danger); }

.course { border-top: 3px solid var(--blue); padding: 14px 0 0; }
.course h3 a { color: var(--ink); text-decoration: none; }
.course h3 a:hover { color: var(--blue); }
.course .meta { font-size: .88rem; color: var(--ink-soft); }

.chapter { border-top: 1px solid var(--line); padding: 16px 0; }
.chapter h3 { margin-bottom: 4px; }
.files { list-style: none; padding: 0; margin: 10px 0 0; }
.files li { display: flex; align-items: center; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--line); flex-wrap: wrap; }
.files li:last-child { border-bottom: 0; }
.files .kind { font-size: .76rem; color: var(--ink-soft); min-width: 92px; }
.files .lock { color: var(--grey); font-size: .85rem; }
.unlock { background: var(--blue-wash); border-radius: var(--r); padding: 16px; display: flex; gap: 12px; align-items: end; flex-wrap: wrap; margin: 0 0 24px; }
.unlock p { margin: 0; flex: 1 1 260px; }

/* ---------- news ---------- */
.news-item { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.news-item time { color: var(--green); font-weight: 600; font-size: .9rem; }
.news-item h3 { margin: 0 0 4px; font-size: 1.1rem; }
.news-item h3 a { color: var(--ink); text-decoration: none; }
.news-item h3 a:hover { color: var(--green); }
@media (max-width: 560px) { .news-item { grid-template-columns: 1fr; gap: 2px; } }

/* ---------- forms & buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--green); background: var(--green); color: #fff;
  padding: 9px 16px; border-radius: var(--r); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; line-height: 1.2; }
.btn:hover { background: var(--green-deep); color: #fff; }
.btn.secondary { background: var(--paper); color: var(--green); }
.btn.secondary:hover { background: var(--green-wash); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: .86rem; font-weight: 500; }
.btn[disabled] { opacity: .55; cursor: wait; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--blue); text-decoration: underline; cursor: pointer; }

input[type=text], input[type=email], input[type=password], input[type=url], input[type=number], input[type=date],
input[type=search], select, textarea {
  width: 100%; font: inherit; padding: 8px 10px; border: 1px solid #b9c3bc; border-radius: var(--r); background: #fff; color: var(--ink);
}
textarea { resize: vertical; }
.filters input, .filters select { min-width: 140px; }
.field { margin-bottom: 18px; }
.field > label { display: block; font-weight: 600; margin-bottom: 4px; font-size: .95rem; }
.field .help { font-size: .84rem; color: var(--ink-soft); margin-top: 4px; }
.field .errorlist, .errorlist { color: var(--danger); list-style: none; padding: 0; margin: 4px 0 0; font-size: .9rem; }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: var(--danger); }
.field ul.checks, .field div.checks { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px 16px; }
.field .checks label { font-weight: 400; display: flex; gap: 8px; align-items: center; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0 16px; }
fieldset { border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px 4px; margin: 0 0 22px; }
legend { font-weight: 700; padding: 0 6px; color: var(--green); }
.form-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.hp { position: absolute; left: -5000px; }

.messages { list-style: none; padding: 0; margin: 0 0 24px; }
.messages li { padding: 10px 14px; border-radius: var(--r); background: var(--ok-wash); color: var(--green-deep); margin-bottom: 8px; }
.messages li.error { background: var(--danger-wash); color: var(--danger); }
.notice { padding: 12px 14px; border-radius: var(--r); background: var(--blue-wash); margin-bottom: 18px; }
.notice.warn { background: #FFF4D9; }

.doi-row { display: flex; gap: 10px; }
.doi-row input { flex: 1; }
#doi-status { min-height: 1.4em; font-size: .92rem; margin-top: 6px; }

/* ---------- dashboard ---------- */
.dash { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 36px; }
.dash-nav { position: sticky; top: 84px; align-self: start; }
.dash-nav a { display: block; padding: 8px 12px; border-radius: var(--r); text-decoration: none; color: var(--ink); }
.dash-nav a:hover { background: var(--paper-2); }
.dash-nav a[aria-current="page"] { background: var(--green-wash); color: var(--green-deep); font-weight: 600; }
.dash-nav hr { border: 0; border-top: 1px solid var(--line); margin: 10px 0; }
@media (max-width: 820px) {
  .dash { grid-template-columns: 1fr; gap: 16px; }
  .dash-nav { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .dash-nav hr { display: none; }
}
.stat-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.stat { border: 1px solid var(--line); border-radius: var(--r); padding: 12px 16px; min-width: 150px; }
.stat b { display: block; font-family: var(--serif); font-size: 1.6rem; color: var(--green); }
.stat span { font-size: .88rem; color: var(--ink-soft); }
table.list { width: 100%; border-collapse: collapse; font-size: .94rem; }
table.list th { text-align: left; font-size: .82rem; color: var(--ink-soft); border-bottom: 2px solid var(--ink); padding: 6px 8px; }
table.list td { border-bottom: 1px solid var(--line); padding: 9px 8px; vertical-align: top; }
table.list td.actions { white-space: nowrap; text-align: right; }
.table-wrap { overflow-x: auto; }
.empty { padding: 28px; text-align: center; border: 1px dashed var(--line); border-radius: var(--r); color: var(--ink-soft); }

/* ---------- pagination & footer ---------- */
.pagination { display: flex; gap: 10px; justify-content: center; margin-top: 28px; align-items: center; }
.site-footer { background: var(--ink); color: #cfd6d1; padding: 36px 0 28px; font-size: .92rem; }
.site-footer a { color: #fff; }
.site-footer .wrap { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
.site-footer h3 { color: #fff; font-size: 1rem; font-family: var(--sans); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 3px 0; }
.site-footer .bottom { grid-column: 1 / -1; border-top: 1px solid #36423a; padding-top: 14px; color: #9aa69e; font-size: .84rem; }
@media (max-width: 720px) { .site-footer .wrap { grid-template-columns: 1fr; } }

.map { width: 100%; height: 320px; border: 0; border-radius: var(--r); }

@media print {
  .site-header, .site-footer, .filters, .pub-actions, .nav-toggle { display: none !important; }
  main { padding: 0; }
}