@import url("https://fonts.googleapis.com/css2?family=Baloo+Bhai+2:wght@600;700;800&display=swap");

:root{
  --bg0:#0b1220;
  --bg1:#0f1b33;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.09);
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --line:rgba(234,240,255,.14);
  --accent:#7c5cff;
  --accent2:#2fe0b1;
  --shadow:0 16px 40px rgba(0,0,0,.35);
  --radius:16px;

  --ring: 0 0 0 3px rgba(47,224,177,.28);
  --glass: rgba(15,27,51,.55);
  --glass2: rgba(255,255,255,.08);
  --glass3: rgba(255,255,255,.12);
  --shadow2: 0 22px 70px rgba(0,0,0,.45);
}

*{ box-sizing:border-box; }
html{
  scroll-behavior:smooth;
  background: linear-gradient(180deg, var(--bg0), var(--bg1)); /* base layer */
  color-scheme: dark;
}
html{ scroll-behavior:smooth; }
body{
  margin:0;
  color:var(--text);
  font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  position: relative;
  min-height: 100vh;
  isolation: isolate; /* enables z-index:-1 pseudo-element behind content */
  overflow-x: hidden;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  background: transparent; /* let the animated layer be visible */
}

body > *{
  position: relative;
  z-index: 1; /* keep all content above animated background */
}

/* animated background layer (continuous + visible) */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;

  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(1000px 600px at 80% 10%, rgba(47,224,177,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));

  /* slightly richer, smoother look */
  filter: saturate(1.12) contrast(1.22) brightness(.92);
  transform-origin: 50% 50%;
  will-change: transform;

  /* continuous loop (no alternate) */
  animation: bg-drift 26s linear infinite;
}

@keyframes bg-drift{
  0%   { transform: translate3d(-2.2%, -1.2%, 0) scale(1.10) rotate(0deg); }
  50%  { transform: translate3d( 2.2%,  1.2%, 0) scale(1.14) rotate(180deg); }
  100% { transform: translate3d(-2.2%, -1.2%, 0) scale(1.10) rotate(360deg); } /* seamless */
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:focus-visible{ box-shadow: var(--ring); }

.container{
  width:min(1000px, calc(100% - 32px));
  margin:20px auto 56px;
  padding:22px;
  background: linear-gradient(180deg, var(--glass2), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: var(--shadow2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}
.container:hover{
  transform: translateY(-2px);
  border-color: rgba(234,240,255,.22);
  background: linear-gradient(180deg, var(--glass3), rgba(255,255,255,.035));
}

#heading{
  padding:28px 16px 8px;
  text-align:center;
  font-weight:800;
  letter-spacing:.14em;
  font-size:clamp(26px, 3.3vw, 44px);
  text-transform:uppercase;
  font-family: "Baloo Bhai 2", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  margin-inline: auto; /* centers the fit-content heading block */
}

#tagline{
  text-align:center;
  margin:0 16px 14px;
  color:var(--muted);
  font-weight:600;
}

#navbar{
  position:sticky;
  top:0;
  z-index:50;
  margin:10px auto 6px;
  width:min(1000px, calc(100% - 32px));
  display:flex;
  gap:10px;
  justify-content:center;
  padding:10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(15,27,51,.62);
  border-color: rgba(234,240,255,.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}

#navbar a{
  position:relative;
  padding:10px 14px;
  border-radius:999px;
  color:rgba(234,240,255,.88);
  font-weight:700;
  letter-spacing:.02em;
  transition: transform .15s ease, background-color .15s ease, color .15s ease;
}

#navbar a:hover{
  transform: translateY(-1px);
  background:linear-gradient(135deg, rgba(124,92,255,.28), rgba(47,224,177,.16));
  color:var(--text);
}
#navbar a:focus-visible{
  box-shadow: var(--ring);
}

#navbar a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:7px;
  height:2px;
  background:linear-gradient(90deg, var(--accent), var(--accent2));
  opacity:0;
  transform:scaleX(.6);
  transition: opacity .15s ease, transform .15s ease;
  border-radius:2px;
}
#navbar a:hover::after{ opacity:1; transform:scaleX(1); }

h1, h2, h3{
  font-family: "Baloo Bhai 2", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* changed: remove auto animation; use hover transitions instead */
  animation: none;
  transform-origin: 50% 100%;

  transition:
    transform 180ms ease,
    letter-spacing 180ms ease,
    text-shadow 180ms ease,
    color 180ms ease;

  /* changed: keep block flow, but make hover/underline only as wide as the text */
  display: block;
  width: fit-content;
  max-width: 100%;

  text-rendering: geometricPrecision;
}

/* changed: hover/focus effect for headings */
h1:hover, h2:hover, h3:hover,
h1:focus-visible, h2:focus-visible, h3:focus-visible{
  transform: translateY(-2px);
  letter-spacing: .03em;
  text-shadow:
    0 10px 24px rgba(0,0,0,.35),
    0 0 18px rgba(124,92,255,.25);
}

/* optional: a subtle gradient underline on hover (doesn't affect layout) */
h1, h2, h3{
  background-image: linear-gradient(90deg, var(--accent), var(--accent2));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 100%;

  /* changed: ensure underline has a little room under the glyphs */
  padding-bottom: 2px;
}
h1:hover, h2:hover, h3:hover,
h1:focus-visible, h2:focus-visible, h3:focus-visible{
  background-size: 100% 2px;
}

/* changed: keep reduced-motion support (also disables hover motion) */
@media (prefers-reduced-motion: reduce){
  h1, h2, h3{
    transition: none !important;
    transform: none !important;
    text-shadow: none !important;
    background-size: 0% 2px !important;
  }
}

h2{
  margin:20px 0 10px;
  font-size:clamp(18px, 2.2vw, 26px);
  letter-spacing:.02em;
}
h3{
  margin:14px 0 8px;
  font-size:clamp(16px, 1.9vw, 20px);
  color:rgba(234,240,255,.92);
}

p{
  margin:8px 0;
  color:rgba(234,240,255,.86);

  /* changed: new paragraph font style (serif/reading) */
  font-family: ui-serif, Georgia, "Times New Roman", Times, serif;
  font-size: 1.02rem;
  line-height: 1.8;
  letter-spacing: .015em;
}

strong{ color:var(--text); }

ul{
  margin:8px 0 14px 20px;
  padding:0;
}
li{ margin:6px 0; color:rgba(234,240,255,.86); }

table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:12px 0 18px;
  overflow:hidden;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
}

caption{
  caption-side:top;
  padding:12px 10px;
  font-weight:800;
  color:rgba(234,240,255,.9);
}

th, td{
  padding:12px 10px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
  text-align:center;
  vertical-align:middle;
}
tr:last-child td{ border-bottom:none; }
th:last-child, td:last-child{ border-right:none; }

th{
  background:linear-gradient(180deg, rgba(124,92,255,.22), rgba(255,255,255,.03));
  font-weight:800;
}

#peer + table td{
  text-align:left;
  padding:14px 14px;
  color:rgba(234,240,255,.9);
}

/* subtle row striping for readability */
table tr:nth-child(even) td{ background:rgba(255,255,255,.03); }

/* timetable row classes (kept, but make them tasteful) */
.a td{ background:rgba(124,92,255,.08); }
.b td{ background:rgba(47,224,177,.06); }
.c td{ background:rgba(124,92,255,.06); }
.d td{ background:rgba(47,224,177,.05); }
.e td{ background:rgba(255,255,255,.03); }
.f td{ background:rgba(124,92,255,.05); }

.table-wrap{
  overflow:auto;
  border-radius:14px;
}

/* responsive */
@media (max-width: 640px){
  #navbar{ justify-content:space-between; gap:6px; padding:8px; border-radius:16px; }
  #navbar a{ padding:10px 10px; font-size:14px; }
  .container{ padding:16px; }
  th, td{ padding:10px 8px; font-size:14px; }
}

@media (prefers-reduced-motion: reduce){
  /* ...existing code... */
  body::before{ animation: none !important; }
  .container{ transition: none !important; transform: none !important; }
}