/* =========================================================
   MoBI Basketball Readiness-Potential — project page
   Self-contained academic (Nerfies-style) layout
   ========================================================= */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f6f7fb;
  --bg-band:   #f0f2f8;
  --ink:       #1a1c24;
  --ink-soft:  #4a4f5e;
  --muted:     #717787;
  --line:      #e4e7ef;
  --primary:   #2b3a67;   /* deep indigo */
  --primary-2: #3d5aa9;
  --accent:    #e8731f;   /* basketball orange */
  --accent-d:  #c85c10;
  --radius:    14px;
  --shadow:    0 6px 24px rgba(27, 32, 54, .08);
  --shadow-lg: 0 18px 50px rgba(27, 32, 54, .14);
  --maxw:      1080px;
  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono:      ui-monospace, 'SFMono-Regular', 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--primary-2); text-decoration: none; }
a:hover { text-decoration: underline; }

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

section { padding: 56px 0; }
section.band { background: var(--bg-band); }

h1, h2, h3 { line-height: 1.2; color: var(--ink); }
h2.section-title {
  font-size: 1.7rem;
  font-weight: 700;
  text-align: center;
  margin: 0 0 8px;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  margin: 0 auto 34px;
  max-width: 640px;
  font-size: 1rem;
}
.section-title::after {
  content: "";
  display: block;
  width: 54px; height: 3px;
  margin: 14px auto 0;
  background: var(--accent);
  border-radius: 3px;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1200px 480px at 50% -10%, rgba(61,90,169,.16), transparent 60%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px;
  box-shadow: var(--shadow);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero-inner { text-align: center; }
.hero h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 22px auto 18px;
  max-width: 900px;
}
.authors {
  font-size: 1.08rem;
  color: var(--ink);
  margin: 0 auto 8px;
  max-width: 820px;
}
.authors a { color: var(--ink); font-weight: 600; }
.authors sup { color: var(--primary-2); font-weight: 700; font-size: .72em; }
.corr { color: var(--accent-d); }
.affiliations {
  font-size: .92rem; color: var(--muted);
  max-width: 760px; margin: 8px auto 0;
}
.affiliations .num { color: var(--primary-2); font-weight: 700; }
.venue {
  margin-top: 14px; font-size: .95rem; color: var(--ink-soft);
}
.venue strong { color: var(--primary); }

/* link buttons */
.links {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center; margin: 28px auto 0;
}
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 20px; border-radius: 999px;
  font-size: .96rem; font-weight: 600;
  background: var(--primary); color: #fff;
  border: 1px solid transparent;
  box-shadow: var(--shadow);
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow-lg); background: #243156; }
.btn svg { width: 18px; height: 18px; fill: currentColor; }
.btn.accent { background: var(--accent); }
.btn.accent:hover { background: var(--accent-d); }
.btn.ghost { background: #fff; color: var(--primary); border-color: var(--line); }
.btn.ghost:hover { background: var(--bg-soft); }
.btn.disabled {
  background: #eef0f5; color: var(--muted); box-shadow: none;
  cursor: not-allowed; pointer-events: none; border-color: var(--line);
}

.note-banner {
  display: flex; gap: 12px; align-items: flex-start;
  max-width: 760px; margin: 30px auto 0;
  background: #fff7ed; border: 1px solid #f4d9b8;
  color: #8a4b12; border-radius: var(--radius);
  padding: 14px 18px; font-size: .92rem; text-align: left;
}
.note-banner b { color: #7a3f0c; }

/* ---------- Teaser / video ---------- */
.media-card {
  background: #0d1018;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.media-card video { display: block; width: 100%; height: auto; background: #0d1018; }
.media-cap {
  font-size: .9rem; color: var(--muted);
  text-align: center; margin: 14px auto 0; max-width: 760px;
}
.teaser-wrap { max-width: 940px; margin: 0 auto; }

/* video grid */
.video-grid {
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 26px;
  align-items: start;
}
.video-grid .portrait video { max-height: 560px; width: 100%; object-fit: contain; }
.video-grid .portrait { background:#0d1018; border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow); }
.vid-block h3 { font-size: 1.05rem; margin: 0 0 10px; }
.vid-block p { font-size: .92rem; color: var(--ink-soft); margin: 12px 2px 0; }

/* ---------- Abstract ---------- */
.prose { max-width: 800px; margin: 0 auto; }
.prose p { font-size: 1.05rem; color: var(--ink-soft); margin: 0 0 16px; }

/* keyword chips */
.chips { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-top: 22px; }
.chip {
  font-size: .82rem; font-weight: 600; color: var(--primary);
  background: #fff; border: 1px solid var(--line);
  padding: 6px 13px; border-radius: 999px;
}

/* ---------- Figures ---------- */
.figure {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin: 0 auto;
}
.figure img { display: block; width: 100%; height: auto; }
.figure figcaption {
  font-size: .9rem; color: var(--ink-soft);
  padding: 16px 20px; border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
.figure figcaption .lbl { color: var(--primary); font-weight: 700; }
.figure.spotlight { max-width: 820px; }
.figure-zoom { display:block; }

.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start;
}

/* setup row */
.split {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 34px; align-items: center;
}
.split .text h3 { font-size: 1.25rem; margin: 0 0 12px; }
.split .text p { color: var(--ink-soft); margin: 0 0 14px; }
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  position: relative; padding-left: 30px; margin-bottom: 12px; color: var(--ink-soft);
}
.feature-list li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px rgba(232,115,31,.18);
}
.feature-list li b { color: var(--ink); }

/* ---------- LSL flow diagram ---------- */
.lsl-flow {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 16px; margin: 6px auto 0; max-width: 980px;
}
.lsl-sources { display: flex; flex-direction: column; gap: 14px; }
.lsl-node {
  display: flex; align-items: center; gap: 13px;
  background: #fff; border: 1px solid var(--line);
  border-left: 4px solid var(--c, var(--primary));
  border-radius: 12px; padding: 13px 16px;
  box-shadow: var(--shadow); width: 252px; text-align: left;
}
.lsl-node .lsl-icon { font-size: 1.55rem; line-height: 1; flex: none; }
.lsl-node .lsl-body strong { display: block; font-size: .98rem; color: var(--ink); }
.lsl-node .lsl-body span.sub { display: block; font-size: .81rem; color: var(--muted); margin-top: 2px; }
.lsl-node.recorda { border-width: 1px 1px 1px 4px; box-shadow: 0 10px 28px rgba(79,142,247,.22); }

.apptag {
  display: inline-block; vertical-align: middle;
  font-size: .64rem; font-weight: 800; letter-spacing: .05em;
  text-transform: uppercase; color: #fff;
  padding: 2px 7px; border-radius: 6px; margin-left: 6px;
}
.apptag:hover { text-decoration: none; filter: brightness(1.07); }
.apptag.senda { background: #36c9a0; }
.apptag.recorda-tag { background: #4f8ef7; }

.devtag {
  display: inline-block; vertical-align: middle;
  font-size: .64rem; font-weight: 700; letter-spacing: .03em;
  color: var(--muted); background: var(--bg-band);
  border: 1px solid var(--line);
  padding: 2px 7px; border-radius: 6px; margin-left: 6px;
}

.lsl-arrow { font-size: 1.7rem; font-weight: 700; color: var(--primary-2); flex: none; }

.pipeline-note {
  text-align: center; max-width: 720px; margin: 28px auto 0;
  font-size: .92rem; color: var(--ink-soft);
}
.pipeline-note b { color: var(--primary); }

@media (max-width: 920px) {
  .lsl-flow { flex-direction: column; flex-wrap: nowrap; }
  .lsl-arrow { transform: rotate(90deg); margin: 2px 0; }
  .lsl-sources { width: 100%; max-width: 360px; }
  .lsl-node { width: 100%; max-width: 360px; }
}

/* ---------- BibTeX ---------- */
.bibtex-wrap { max-width: 880px; margin: 0 auto; position: relative; }
pre.bibtex {
  background: #11151f; color: #d7dde8;
  border-radius: var(--radius);
  padding: 22px 22px; overflow-x: auto;
  font-family: var(--mono); font-size: .86rem; line-height: 1.7;
  margin: 0; box-shadow: var(--shadow-lg);
}
pre.bibtex .k { color: #f0a35e; }
pre.bibtex .f { color: #8fb8f6; }
.copy-btn {
  position: absolute; top: 14px; right: 14px;
  background: rgba(255,255,255,.12); color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 8px; padding: 6px 12px; font-size: .8rem; font-weight: 600;
  cursor: pointer; transition: background .12s ease;
}
.copy-btn:hover { background: rgba(255,255,255,.24); }

/* ---------- Acknowledgements ---------- */
.ack { max-width: 800px; margin: 0 auto; color: var(--ink-soft); font-size: .98rem; }
.ack .funders { display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }

/* ---------- Footer ---------- */
footer {
  background: var(--primary); color: #c6cde0;
  padding: 40px 0; font-size: .88rem; text-align: center;
}
footer a { color: #fff; }
footer .lab { color: #fff; font-weight: 600; }
footer p { margin: 6px 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .video-grid, .split, .two-col { grid-template-columns: 1fr; }
  .video-grid .portrait video { max-height: none; }
  section { padding: 44px 0; }
}