/* =============================================================================
   styles/mate.css — M@TE visual design
   Translating from ModelAtlasofTheEarth/website src/components/atlas.sass
   ============================================================================= */

/* Google Fonts — Open Sans */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap');

/* Primary colour tokens */
:root {
  --mate-primary: #D64000;
  --mate-link: #2c8ec7;
  --mate-navbar-bg: #DAE1E3;
  --mate-body: #333;
}

/* ── Base ─────────────────────────────────────────────────────────────────── */
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--mate-body);
  scrollbar-width: thin;
  overflow-y: scroll;
}

a {
  color: var(--mate-link);
}

a:hover {
  color: var(--mate-primary);
}

/* ── Navbar ───────────────────────────────────────────────────────────────── */
.navbar {
  background: var(--mate-navbar-bg) !important;
  border-bottom: 1px solid lightgray;
  backdrop-filter: blur(4px);
}

.navbar-brand img {
  height: 32px;
  width: auto;
}

/* ── Hero section ─────────────────────────────────────────────────────────── */
.mate-hero {
  text-align: center;
  padding: 60px 20px 40px;
  background: var(--mate-navbar-bg);
}

.mate-hero h1 {
  font-size: 60px;
  font-weight: 700;
  color: var(--mate-primary);
  margin-bottom: 0.25rem;
}

.mate-hero .mate-subtitle {
  font-size: 26px;
  font-weight: 600;
  color: #555;
  margin-bottom: 0.5rem;
}

.mate-hero p {
  font-size: 20px;
  max-width: 700px;
  margin: 0 auto;
  padding-top: 10px;
  color: var(--mate-body);
}

/* ── Section headings ─────────────────────────────────────────────────────── */
.mate-section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--mate-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* ── Highlights list ──────────────────────────────────────────────────────── */
.mate-highlights {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin: 1.5rem 0;
}

.mate-highlights li {
  background: #fff;
  border: 1px solid #dadce0;
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  font-size: 16px;
  font-weight: 600;
  color: var(--mate-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.07);
}

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge-tag {
  background-color: var(--mate-link);
  color: #eee;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 600;
  margin: 2px;
  display: inline-block;
  text-decoration: none;
}

.badge-creator {
  background-color: #6c757d;
  color: #fff;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 600;
  margin: 2px;
  display: inline-block;
}

.badge-doi {
  display: inline-flex;
  margin: 4px 0;
  text-decoration: none;
}

.badge-doi-left {
  background-color: #555;
  color: white;
  padding: 2px 6px;
  border-radius: 5px 0 0 5px;
  font-size: 13px;
  display: inline-block;
  font-family: monospace;
}

.badge-doi-right {
  background-color: #007ec6;
  color: white;
  padding: 2px 6px;
  border-radius: 0 5px 5px 0;
  font-size: 13px;
  display: inline-block;
  font-family: monospace;
}

/* ── Model cards ──────────────────────────────────────────────────────────── */
.mc-card-container {
  border: 1px solid #dadce0;
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s;
  background: #fff;
  text-decoration: none;
  color: inherit;
}

.mc-card-container:hover {
  box-shadow: 0px 0px 5px 2px rgba(0,0,0,0.1);
  text-decoration: none;
  color: inherit;
}

.mc-card-container img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.mc-card-container h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0.75rem 0.75rem 0.4rem;
  color: #222;
  line-height: 1.3;
}

/* Link wrapper inside card (image + title + optional abstract are the main clickable area) */
.mc-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.mc-card-link:hover {
  text-decoration: none;
  color: inherit;
}

.mc-card-meta {
  margin-top: auto;
  padding: 0.6rem 0.75rem 0.75rem;
  background: #f8f9fa;
  border-top: 1px solid #eee;
}

.mc-card-abstract {
  font-size: 13px;
  color: #555;
  line-height: 1.4;
  margin: 0 0.75rem 0.5rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* ── Featured carousel (home page) ────────────────────────────────────────── */
.featured-carousel {
  position: relative;
  overflow: hidden;
  margin: 0 -0.625rem;        /* counter padding so arrows can sit at edges */
  padding: 0 0.625rem;
}

.carousel-track {
  display: flex;
  gap: 1.25rem;
  padding: 1rem 0;
  will-change: transform;
}

.carousel-track .mc-card-container {
  flex: 0 0 calc((100% - 2.5rem) / 3);
  min-width: 0;
}

/* ── Carousel arrow buttons ───────────────────────────────────────────────── */
.carousel-btn {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.9);
  color: #333;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, box-shadow 0.15s;
}

.carousel-btn:hover {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.carousel-btn:focus-visible {
  outline: 2px solid var(--mate-link);
  outline-offset: 2px;
}

.carousel-prev { left: 0.25rem; }
.carousel-next { right: 0.25rem; }

/* ── Carousel dot indicators ──────────────────────────────────────────────── */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.carousel-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ccc;
  transition: background 0.2s;
}

.carousel-dot.active {
  background: var(--mate-primary);
}

/* ── Models grid ──────────────────────────────────────────────────────────── */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  padding: 1rem 0;
}

/* ── Search box ───────────────────────────────────────────────────────────── */
.model-search-box {
  width: 100%;
  max-width: 480px;
  padding: 0.5rem 1rem;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  display: block;
}

/* ── About page ───────────────────────────────────────────────────────────── */
.about-page {
  font-size: 18px;
  text-align: left;
  max-width: 800px;
  margin: 0 auto;
}

.about-page h1 {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  color: var(--mate-primary);
  margin-bottom: 1.5rem;
}

.about-page h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--mate-primary);
  margin-top: 2rem;
}

.about-page h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 1rem;
}

.about-page ul {
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

.about-page li {
  margin-bottom: 0.75rem;
}

/* ── Model detail page ────────────────────────────────────────────────────── */
.model-page {
  font-size: 18px;
  text-align: left;
}

.model-page h1 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
}

.model-page h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--mate-primary);
  border-bottom: 2px solid #eee;
  padding-bottom: 0.3rem;
  margin-top: 2rem;
}

.model-page a {
  color: var(--mate-link);
}

.model-page .model-meta-block {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 15px;
}

/* ── Full-width image ─────────────────────────────────────────────────────── */
.full-width-image {
  width: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1rem 0;
}

/* ── Animation container ──────────────────────────────────────────────────── */
.animation-container {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  overflow: hidden;
  max-height: 700px;
}

/* ── Contact form ─────────────────────────────────────────────────────────── */
.contact-section {
  max-width: 650px;
  margin: 0 auto;
  font-size: 18px;
}

.contact-section h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--mate-primary);
  text-align: center;
  margin-bottom: 1.5rem;
}

/* ── News page ────────────────────────────────────────────────────────────── */
.news-section {
  max-width: 800px;
  margin: 0 auto;
  font-size: 18px;
}

.news-section h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--mate-primary);
  text-align: center;
  margin-bottom: 1.5rem;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.nav-footer {
  border-top: 1px solid #dadce0;
  background: #f8f9fa;
  color: #555;
  font-size: 14px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .mate-hero h1 {
    font-size: 42px;
  }

  .mate-hero .mate-subtitle {
    font-size: 20px;
  }

  .mate-hero p {
    font-size: 17px;
  }

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

/* ── Tabs ─────────────────────────────────────────────────────────────────── */
.tab-container { margin: 1.5rem 0; }
.tab-nav { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 2px solid #eee; margin-bottom: 1rem; }
.tab-btn { background: none; border: none; padding: 0.5rem 1.1rem; font-size: 15px; font-weight: 600; color: #555; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tab-btn.active { color: var(--mate-primary); border-bottom-color: var(--mate-primary); }
.tab-btn:hover { color: var(--mate-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Clickable tag and creator badges ─────────────────────────────────────── */
a.badge-tag { cursor: pointer; }
a.badge-tag:hover { background-color: var(--mate-primary); text-decoration: none; color: #fff; }
a.badge-creator { cursor: pointer; text-decoration: none; }
a.badge-creator:hover { background-color: #444; text-decoration: none; }

/* ── Tag cloud page ───────────────────────────────────────────────────────── */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.tag-cloud .badge-tag { font-size: 15px; padding: 4px 12px; }

/* ── Creator list ─────────────────────────────────────────────────────────── */
.creator-list { list-style: none; padding: 0; }
.creator-list li { padding: 0.4rem 0; border-bottom: 1px solid #eee; font-size: 16px; }