/* ============================================================
   SwiftVR project page — Nerfies / SeedVR2 style
   ============================================================ */

body{
  font-family: 'Noto Sans', 'Google Sans', sans-serif;
  color: #4a4a4a;
  background: #ffffff;
}

.publication-title{
  font-family: 'Google Sans','Castoro', serif;
  font-weight: 700;
  font-size: 2.7rem !important;
  line-height: 1.15 !important;
  color: #363636;
  letter-spacing: -0.01em;
  margin-bottom: 1.6rem !important;
}
@media (max-width: 768px){
  .publication-title{ font-size: 2rem !important; }
}
.brand-swift{
  color: #2c63d3;          /* SeedVR2-like blue accent */
  font-weight: 700;
}

.publication-authors{
  margin-top: 0.4rem;
  margin-bottom: 0.4rem;
  color: #4a4a4a;
}
.publication-authors .author-block{
  display: inline-block;
  margin: 0 4px;
}
.publication-authors a{
  color: #2c63d3;
  text-decoration: none;
}
.publication-authors a:hover{ text-decoration: underline; }
.publication-authors sup{ color: #2c63d3; }

.publication-venue{
  margin-top: 0.6rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
  color: #b71c1c;
}

.publication-links{
  margin-top: 1rem;
}
.publication-links .link-block{
  display: inline-block;
  margin: 4px 6px;
}
.publication-links .button.is-dark{
  background-color: #363636;
  border: none;
  font-weight: 500;
  font-family: 'Google Sans', sans-serif;
  font-size: 0.95rem;
  padding-left: 18px;
  padding-right: 18px;
  transition: transform .12s, background .15s;
}
.publication-links .button.is-dark:hover{
  background-color: #2c63d3;
  transform: translateY(-1px);
}
.publication-links .button .icon{ margin-right: 4px; }

/* ============================================================
   HERO BACKGROUND
   ============================================================ */
.hero{ background: #ffffff; }
.hero.teaser{ padding-top: 0; padding-bottom: 0; }
.hero.teaser img{
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 18px rgba(0,0,0,0.06);
}
.hero.teaser .subtitle{
  margin-top: 1.4rem;
  font-size: 1.15rem;
  line-height: 1.55;
  color: #4a4a4a;
  font-weight: 400;
}
.dnerf{
  font-style: italic;
  color: #2c63d3;
  font-weight: 600;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{ padding: 3.5rem 1.5rem; }
.section-light{ background: #f7f9fc; }

.title.is-3{
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  color: #363636;
  margin-bottom: 1.5rem !important;
}
.title.is-4, .title.is-5{
  font-family: 'Google Sans', sans-serif;
  color: #363636;
}
.title.is-5{ margin-top: 0.5rem; }

.content p{ font-size: 1.05rem; line-height: 1.7; }
.content strong{ color: #363636; }
.content em{ color: #2c63d3; font-style: italic; }
.content code{
  background: #eef2f8;
  color: #2c63d3;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.95em;
}

.caption{
  font-size: 0.92rem;
  color: #6a6a6a;
  line-height: 1.55;
  margin-top: 0.8rem;
  text-align: justify;
}

/* ============================================================
   STATS
   ============================================================ */
.stats-section{
  padding-top: 0;
  padding-bottom: 2.5rem;
}
.stat-row{ margin-top: 0 !important; }
.stat-card{
  text-align: center;
  padding: 22px 12px;
  background: #ffffff;
  border: 1px solid #e6ecf3;
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02);
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.stat-card:hover{
  transform: translateY(-2px);
  border-color: #2c63d3;
  box-shadow: 0 6px 18px rgba(44,99,211,0.08);
}
.stat-num{
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1;
  color: #2c63d3;
  display: inline-flex;
  align-items: baseline;
}
.stat-unit{
  font-size: 0.95rem;
  color: #6a6a6a;
  margin-left: 2px;
  font-weight: 500;
}
.stat-cap{
  margin-top: 8px;
  font-size: 0.82rem;
  color: #6a6a6a;
  letter-spacing: 0.02em;
  text-transform: none;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

/* ============================================================
   METHOD FIGURES
   ============================================================ */
.method-fig{
  margin: 1rem auto;
  max-width: 980px;
}
.method-fig img{
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 2px 14px rgba(0,0,0,0.06);
  background: #fff;
  display: block;
}
.method-fig.narrow{ max-width: 760px; }

/* ============================================================
   MFSWA SIDE-BY-SIDE ROW (text left, illustration right)
   ============================================================ */

/* ┌──────────────────────────────────────────────────────────┐
   │  >>>  ADJUST sw.jpg HEIGHT HERE  <<<                     │
   │  Change --mfswa-fig-max-height to any pixel value to     │
   │  resize the MFSWA illustration without editing HTML.     │
   │                                                          │
   │    smaller : 80px ~ 120px                                │
   │    medium  : 140px ~ 180px                               │
   │    default : 200px                                       │
   │    larger  : 240px ~ 320px                               │
   │                                                          │
   │  Width auto-scales to preserve the aspect ratio.         │
   │  After editing this value, hard-refresh the browser      │
   │  (Cmd+Shift+R / Ctrl+Shift+R) to bypass CSS cache.       │
   └──────────────────────────────────────────────────────────┘ */
:root{
  --mfswa-fig-max-height: 200px;
}

.mfswa-row{
  margin-top: 2.5rem !important;
  text-align: left;
}
.mfswa-row .title.is-4{
  margin-bottom: 0.8rem !important;
}
.mfswa-text{
  text-align: justify;
  font-size: 1.02rem;
  line-height: 1.7;
  color: #4a4a4a;
  margin: 0;
}

/* The figure is a flex container with a fixed max height.
   The img sits inside, sized by max-height with width auto-preserved.
   !important defends against Bulma's .image rules in case anyone
   re-adds class="image" on the <figure>. */
.mfswa-fig{
  margin: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: var(--mfswa-fig-max-height);
}
.mfswa-fig img{
  max-height: var(--mfswa-fig-max-height) !important;
  max-width: 100% !important;
  width: auto !important;
  height: auto !important;
  display: block !important;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 2px 14px rgba(0,0,0,0.06);
  background: #fff;
}
.mfswa-cap{
  text-align: left;
  font-size: 0.85rem;
  margin-top: 0.7rem;
}
@media (max-width: 768px){
  .mfswa-row{ text-align: left; }
  /* on mobile drop the height cap so the image scales by column width */
  .mfswa-fig{ max-height: none; }
  .mfswa-fig img{ max-height: none !important; max-width: 100% !important; }
}

/* ============================================================
   TABLES
   ============================================================ */
.table-container{ margin-bottom: 0.6rem; }
.table{
  font-size: 0.95rem;
  background: #ffffff;
  font-variant-numeric: tabular-nums;
}
.table thead th{
  background: #363636;
  color: #ffffff !important;
  font-family: 'Google Sans', sans-serif;
  font-weight: 500;
  border: none;
}
.table tbody tr.row-ours{
  background: #e8f0ff !important;
}
.table tbody tr.row-ours td{
  color: #1c3a7a;
  border-top: 1px solid #2c63d3;
}

/* ============================================================
   BEFORE / AFTER VIDEO SLIDER
   ============================================================ */
.slider-help{
  color: #6a6a6a;
  font-size: 0.95rem;
  margin-bottom: 2rem;
}
.slider-note{
  color: #9a9a9a;
  font-size: 0.85rem;
  margin-top: 1rem;
}

.va-card{
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  border: 1px solid #eef2f8;
}
.va-title{
  font-family: 'Google Sans', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: #363636;
  margin-bottom: 12px;
  padding-left: 4px;
}

.va-slider{
  position: relative;
  width: 100%;
  /* aspect-ratio is set dynamically by JS once video metadata loads,
     so each slider matches its own video's true aspect ratio.
     The 16/9 below is only a placeholder used before metadata arrives. */
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}

.va-video{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* contain keeps the full video visible without cropping.
     Once JS matches slider aspect-ratio to the video, this behaves
     identically to "cover" but is safer for mismatched LQ/HQ inputs. */
  object-fit: contain;
  display: block;
  pointer-events: none;
}

/* The "before" (LQ) video sits on top of the "after" (SwiftVR) video,
   clipped to show only its LEFT portion. JS updates this clip-path on drag.
   inset(top right bottom left): inset(0 50% 0 0) hides the right 50%,
   leaving the left 50% visible — exactly what we want. */
.va-before{
  -webkit-clip-path: inset(0 50% 0 0);
          clip-path: inset(0 50% 0 0);
  z-index: 1;
}

.va-divider{
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;            /* JS will update */
  width: 2px;
  background: rgba(255,255,255,0.95);
  transform: translateX(-1px);
  box-shadow: 0 0 8px rgba(0,0,0,0.5);
  pointer-events: none;
}

.va-handle{
  position: absolute;
  top: 50%;
  left: 50%;            /* JS will update */
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  color: #363636;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 10px rgba(0,0,0,0.45);
  cursor: ew-resize;
  z-index: 3;
  transition: transform .12s, background .12s;
}
.va-handle:hover,
.va-slider.is-dragging .va-handle{
  background: #2c63d3;
  color: #ffffff;
  transform: translate(-50%, -50%) scale(1.08);
}

.va-label{
  position: absolute;
  top: 14px;
  padding: 5px 12px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-family: 'Google Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 999px;
  z-index: 2;
  pointer-events: none;
  backdrop-filter: blur(4px);
}
.va-label-left{ left: 14px; }
.va-label-right{ right: 14px; background: rgba(44,99,211,0.85); }

/* ============================================================
   PROGRESS BAR + TIME + PLAY/PAUSE (under each slider)
   ============================================================ */
.va-controls{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 4px 2px;
}
.va-btn-play{
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: #363636;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background .15s, transform .12s;
}
.va-btn-play:hover{
  background: #2c63d3;
  transform: scale(1.05);
}
.va-btn-play .icon-pause{ display: none; }
.va-btn-play.is-playing .icon-pause{ display: inline-block; }
.va-btn-play.is-playing .icon-play{ display: none; }

/* The progress bar is a 20px-tall hit area; the visible track is
   drawn via ::before so we don't lose pointer events on a thin div.
   touch-action: none prevents the browser from interpreting drags
   as page scrolls on mobile. */
.va-progress{
  flex: 1 1 auto;
  position: relative;
  height: 20px;
  cursor: pointer;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.va-progress::before{
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 5px;
  background: #e6ecf3;
  border-radius: 3px;
  pointer-events: none;
  transition: height .15s;
}
.va-progress-fill{
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 5px;
  width: 0;
  background: #2c63d3;
  border-radius: 3px;
  pointer-events: none;
  transition: height .15s;
}
.va-progress-thumb{
  position: absolute;
  top: 50%;
  left: 0;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border: 2px solid #2c63d3;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s, transform .12s ease;
}
.va-progress:hover::before,
.va-progress.is-seeking::before,
.va-progress:hover .va-progress-fill,
.va-progress.is-seeking .va-progress-fill{
  height: 7px;
}
.va-progress:hover .va-progress-thumb,
.va-progress.is-seeking .va-progress-thumb{
  opacity: 1;
}
.va-progress.is-seeking .va-progress-thumb{
  transform: translate(-50%, -50%) scale(1.15);
}

.va-time{
  flex: 0 0 auto;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 0.78rem;
  font-weight: 500;
  color: #6a6a6a;
  white-space: nowrap;
  min-width: 90px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.va-time-sep{ margin: 0 4px; opacity: 0.5; }
.va-time-cur{ color: #363636; }

/* ============================================================
   BIBTEX
   ============================================================ */
.bibtex-wrap{
  position: relative;
  background: #1f2329;
  border-radius: 8px;
  padding: 24px 22px 20px;
  overflow-x: auto;
}
.bibtex-wrap pre{
  background: transparent;
  margin: 0;
  padding: 0;
}
.bibtex-wrap code{
  background: transparent;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 0.92rem;
  color: #e8edf3;
  white-space: pre;
  line-height: 1.65;
}
.copy-btn{
  position: absolute;
  top: 12px; right: 12px;
  background: #2c63d3;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 6px 12px;
  font-family: 'Google Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
}
.copy-btn:hover{ background: #1c3a7a; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  background: #f7f9fc;
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid #eef2f8;
}
.footer p{ font-size: 0.9rem; color: #6a6a6a; }
.footer a{ color: #2c63d3; }

/* MathJax style overrides */
mjx-container{ font-size: 1em !important; }