/* ============================================================
   DiT4DiT — DreamDojo-inspired stylesheet
   ============================================================ */

/* ---------- CSS variables ---------- */
:root {
  --accent: #f59a23;
  --accent-hover: #e08a15;
  --accent-light: rgba(245, 154, 35, 0.08);
  --text-primary: #1f1f1f;
  --text-body: #333333;
  --text-secondary: #555555;
  --text-muted: #666666;
  --bg: #ffffff;
  --bg-code: #f6f8fa;
  --border: #e0e0e0;
  --max-width: 960px;
  --font-sans: 'Geist', 'NVIDIA Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Computer Modern Serif', serif;
  --font-mono: 'Courier New', Courier, monospace;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg);
  margin: 0;
  padding: 0;
  line-height: 1.2;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Layout ---------- */
.blogPost {
  width: 100%;
}

.center {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Hero Video Cover ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

.hero-cine {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: #fff;
  padding: 90px 20px 70px;
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(70% 55% at 50% 50%, rgba(8,10,18,0.55) 0%, rgba(8,10,18,0.25) 70%, rgba(8,10,18,0.1) 100%),
    linear-gradient(180deg, rgba(8,10,18,0.35) 0%, rgba(8,10,18,0.0) 30%, rgba(8,10,18,0.0) 70%, rgba(8,10,18,0.40) 100%);
}

.hero-cine-inner {
  position: relative;
  z-index: 2;
  max-width: 940px;
  animation: heroFade 0.9s ease both;
}

@keyframes heroFade {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-cine .paper-title {
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.50);
  font-size: clamp(2.2em, 5vw, 4.5em);
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.15;
}

.hero-cine .paper-title .projectName {
  color: #fff;
}

.hero-cine .title-sub {
  color: rgba(255,255,255,0.88);
  font-size: 0.42em;
  font-weight: 600;
  display: block;
  margin-top: 12px;
  line-height: 1.35;
}

.muted-light {
  color: rgba(255,255,255,0.78);
}

.hero-tagline {
  margin: 22px auto 0;
  max-width: 640px;
  font-size: 1.15em;
  font-weight: 400;
}

/* Scroll cue animation */
.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  text-decoration: none;
  transition: border-color 0.3s ease;
}

.scroll-cue:hover {
  border-color: rgba(255,255,255,0.9);
}

.scroll-cue-dot {
  width: 4px;
  height: 8px;
  margin-top: 7px;
  background: #fff;
  border-radius: 999px;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* ---------- Title area ---------- */
.blogTitle {
  text-align: center;
  padding: 60px 0 10px;
}

.dreamTitle {
  margin: 0 0 10px;
  line-height: 1.2;
}

.dreamTitle .projectName {
  font-size: 4rem;
  font-weight: 800;
  color: orange;
}

.subtitleText {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.2;
}

/* ---------- Authors ---------- */
.authors {
  text-align: center;
  padding: 18px 0 0;
}

.authorList {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 1.08rem;
  line-height: 1.2;
}

.authorName {
  white-space: nowrap;
}

.authorName sup {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.7em;
  margin-left: 1px;
  line-height: 0;
}

.authorLink {
  color: var(--text-primary) !important;
  text-decoration: none;
}
.authorLink:hover {
  text-decoration: underline;
  color: var(--accent) !important;
}

/* ---------- Affiliations ---------- */
.affiliationContainer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 24px;
  margin: 14px 0 4px;
  font-size: 0.97rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.2;
}

.affiliationContainer sup {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.75em;
}

.affiliationNote {
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.affiliationNote sup {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Action buttons ---------- */
.linkContainer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 24px 0 10px;
}

.borderedLink {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 22px;
  border-radius: 6px;
  font-size: 0.97rem;
  font-weight: 600;
  font-family: var(--font-sans);
  line-height: 1;
  background: var(--accent);
  color: #fff !important;
  border: 2px solid var(--accent);
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
  text-decoration: none !important;
}
.borderedLink:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  text-decoration: none !important;
}

.borderedLink i,
.borderedLink .ai {
  font-size: 1.1em;
}

/* ---------- Blog content ---------- */
.blogContent {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 24px 60px;
  font-size: 1.1rem;
}

.blogContent h2 {
  font-size: 2.2rem;
  font-weight: bold;
  color: var(--text-primary);
  display: table;
  margin: 2.5rem auto 1rem auto;
  padding-bottom: 0.5rem;
  border-bottom: 4px solid var(--accent);
  text-align: center;
}

.blogContent h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 20px 0 8px;
}

.blogContent p {
  color: var(--text-body);
  margin-bottom: 1rem;
  text-align: justify;
}

/* ---------- Images ---------- */
.imageWrapper {
  text-align: center;
  margin: 24px 0;
}

.imageWrapper img {
  max-width: 100%;
  border-radius: 6px;
}

.caption {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
}

.method-image {
  border-radius: 6px;
}

/* ---------- Video ---------- */
.videoContainer {
  margin: 24px 0;
}

.videoGrid {
  display: grid;
  gap: 16px;
  align-items: end;
}

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

.videoGrid.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.videoGrid.cols-1 {
  max-width: 100%;
  margin: 0 auto;
}

.videoCell {
  text-align: center;
}

.videoCell video {
  width: 100%;
  border-radius: 6px;
  display: block;
}

.videoCell .videoLabel {
  margin-top: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  text-align: center;
}

/* ---------- Tables ---------- */
.table-container {
  overflow-x: auto;
  margin: 20px 0 24px;
}

.table {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  border-collapse: collapse;
  width: 100%;
}

.table th,
.table td {
  padding: 8px 12px;
  text-align: center;
  border: 1px solid var(--border);
}

.table th {
  background-color: #f5f5f5;
  font-weight: 700;
}

.table tbody tr:hover {
  background-color: var(--accent-light);
}

/* Keep Bulma .is-bordered / .is-striped overrides minimal */
.table.is-striped tbody tr:nth-child(even) {
  background-color: #fafafa;
}

.table.is-striped tbody tr:hover {
  background-color: var(--accent-light);
}

/* ---------- Bibtex ---------- */
.bibtex {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  background-color: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 16px 0 40px;
  line-height: 1.2;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---------- Divider ---------- */
hr.rounded {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 36px 0;
}

/* ---------- Footer ---------- */
.siteFooter {
  text-align: center;
  padding: 32px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .dreamTitle {
    font-size: 2rem;
  }

  .blogContent h2 {
    font-size: 1.35rem;
  }

  .videoGrid.cols-2,
  .videoGrid.cols-3 {
    grid-template-columns: 1fr;
  }

  .linkContainer {
    flex-direction: column;
    align-items: center;
  }

  .hero-cine {
    min-height: 75vh;
    padding: 60px 20px 50px;
  }

  .hero-cine .paper-title {
    font-size: 2em;
  }

  .hero-tagline {
    font-size: 1em;
  }

  .scroll-cue {
    bottom: 18px;
  }
}