/* FICA project page — adapted from the Nerfies-style template */

:root {
  --primary-color: #1a73e8;
  --text-color: #333;
  --light-bg: #f5f5f5;
  --max-width: 980px;
  --font-family: -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
  --heading-font-family: 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #fff;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero / Title Section */
.hero {
  text-align: center;
  padding: 60px 20px 30px;
  background: #fff;
}

.hero h1 {
  font-family: var(--heading-font-family);
  font-size: 2.8em;
  font-weight: 700;
  margin-bottom: 5px;
  line-height: 1.2;
  color: #363636;
}

.hero .venue {
  font-size: 1.3em;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 20px;
}

.author-list {
  font-size: 1.05em;
  margin-bottom: 8px;
  line-height: 1.8;
  color: #5a9cf8;
}

.author-list a {
  color: #5a9cf8;
  text-decoration: none;
}

.author-list a:hover {
  text-decoration: underline;
}

.author-note {
  font-size: 0.9em;
  color: #666;
  margin-bottom: 5px;
}

.affiliation {
  font-size: 1.1em;
  color: #363636;
  margin-bottom: 20px;
}

/* Buttons row */
.btn-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  background: #363636;
  color: #fff;
  font-size: 0.95em;
  font-weight: 500;
  transition: all 0.2s;
}

.btn:hover {
  background: #555;
  color: #fff;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* Sections */
.section {
  padding: 30px 0;
}

.section-title {
  font-family: var(--heading-font-family);
  font-size: 1.8em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
}

.section-body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Teaser */
.teaser {
  text-align: center;
  padding: 10px 0 30px;
}

.teaser .caption {
  font-size: 0.92em;
  color: #555;
  max-width: 900px;
  margin: 12px auto 0;
  text-align: left;
}

/* Abstract */
.abstract {
  background: var(--light-bg);
}

.abstract-text {
  font-size: 1.05em;
  text-align: justify;
  max-width: 800px;
  margin: 0 auto;
}

/* Video */
.video-section {
  text-align: center;
}

.video-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.video-container video,
.video-container iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* Results figures */
.result-figure {
  text-align: center;
  margin: 25px 0;
}

.result-figure img,
.result-figure video {
  width: 100%;
  max-width: 900px;
}

.result-figure .caption {
  font-size: 0.92em;
  color: #555;
  max-width: 850px;
  margin: 10px auto 0;
  text-align: justify;
}

/* BibTeX */
.bibtex-section {
  background: var(--light-bg);
}

.bibtex-box {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  max-width: 750px;
  margin: 0 auto;
  overflow-x: auto;
}

.bibtex-box pre {
  margin: 0;
  font-size: 0.85em;
  font-family: 'Courier New', monospace;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Footer */
.footer {
  text-align: center;
  padding: 30px 20px;
  font-size: 0.85em;
  color: #999;
  border-top: 1px solid #eee;
}

.footer a {
  color: #999;
}

/* =========================================
   Media placeholders
   (swap each one out for a real <video>/<img> later)
   ========================================= */
.media-placeholder {
  width: 100%;
  max-width: 900px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: repeating-linear-gradient(45deg, #f0f0f0, #f0f0f0 10px, #e8e8e8 10px, #e8e8e8 20px);
  border: 1px dashed #bbb;
  border-radius: 8px;
  color: #888;
  font-size: 0.95em;
  letter-spacing: 0.02em;
}

.media-placeholder svg {
  width: 38px;
  height: 38px;
  opacity: 0.45;
}

.media-placeholder.is-small {
  max-width: 420px;
}

/* =========================================
   Lightweight carousel (no external library)
   ========================================= */
.custom-carousel {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.carousel-viewport {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}

.custom-carousel .item {
  flex: 0 0 100%;
  width: 100%;
  box-sizing: border-box;
  padding: 0 4px;
  text-align: center;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #ddd;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3em;
  line-height: 1;
  color: #363636;
  z-index: 10;
  user-select: none;
  transition: background 0.2s;
}

.carousel-nav:hover {
  background: #fff;
}

.carousel-nav.prev {
  left: -18px;
}

.carousel-nav.next {
  right: -18px;
}

.carousel-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #dbdbdb;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.custom-carousel + .caption {
  font-size: 0.92em;
  color: #555;
  max-width: 850px;
  margin: 16px auto 0;
  text-align: justify;
}

.carousel-dot.is-active {
  background: var(--primary-color);
  transform: scale(1.2);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.6em;
  }

  .carousel-nav.prev {
    left: 4px;
  }

  .carousel-nav.next {
    right: 4px;
  }
}