:root {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color-scheme: dark;
  font-size: 16px;
}

body { margin: 0; background: #0b0c10; color: #e8e8e8; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 16px; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11,12,16,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #242a36;
}

.title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.title-left h1 { margin: 0; }

.toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 8px 12px;
  border-radius: 999px;

  border: 1px solid rgba(138, 180, 255, 0.25);
  background: rgba(138, 180, 255, 0.08);

  color: #d6deff;
  font-size: 13px;
  font-weight: 600;

  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.toggle:hover {
  background: rgba(138, 180, 255, 0.14);
  border-color: rgba(138, 180, 255, 0.40);
}

.topbar-body {
  overflow: hidden;
  max-height: 220px;     /* enough for controls + meta */
  opacity: 1;
  transition: max-height 0.25s ease, opacity 0.2s ease;
}

.topbar.folded .topbar-body {
  max-height: 0;
  opacity: 0;
}

.topbar.folded .subtitle {
  display: none;         /* optional: hide subtitle when folded */
}


h1 { margin: 0 0 6px; font-size: 30px; }
.subtitle { color: #b7b7b7; font-size: 16px; }

.controls {
  display: grid;
  grid-template-columns:
    minmax(100px, 1.0fr)   /* search */
    120px                  /* IITI tier */
    120px                  /* CCF tier */
    120px                  /* fit */
    180px                  /* year */
    120px                  /* group */
    120px;                 /* page size */
  gap: 10px;
  margin-top: 12px;
}

input, select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #2a2f3a;
  background: #12151c;
  color: #e8e8e8;
  outline: none;
}
input::placeholder { color: #7f8697; }

.meta { margin-top: 10px; color: #b7b7b7; font-size: 15px; }

.list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }

.card {
  border: 1px solid #2a2f3a;
  border-radius: 14px;
  background: #10131a;
  overflow: hidden;
}

.card summary {
  list-style: none;
  cursor: pointer;
  padding: 14px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.9fr;
  gap: 12px;
  align-items: start;
}

.card summary::-webkit-details-marker { display: none; }

.left h3 { margin: 0; font-size: 20px; }
.left .full { margin-top: 4px; color: #b7b7b7; font-size: 15px; }

.mid .row, .right .row { display: flex; justify-content: space-between; gap: 10px; margin: 4px 0; }
.label { color: #b7b7b7; font-size: 14px; }
.value { font-size: 15px; }

.badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.badge {
  font-size: 14px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid #2a2f3a;
  color: #cfd3dd;
  background: #12151c;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid #2a2f3a;
  background: #12151c;
  font-size: 14px;
}

.kicker.due { border-color: #5a3; }
.kicker.closed { border-color: #a55; }
.kicker.unknown { border-color: #444; }

.details {
  border-top: 1px solid #242a36;
  padding: 12px 14px 14px;
}

.details p { margin: 8px 0; color: #d6d6d6; }
.details .muted { color: #b7b7b7; }
a { color: #8ab4ff; text-decoration: none; }
a:hover { text-decoration: underline; }

.footer {
  margin-top: 22px;
  border-top: 1px solid #242a36;
  background: #0b0c10;
}
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.muted { color: #b7b7b7; }
.dot { margin: 0 8px; color: #6e768a; }

.footer .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;

  padding: 9px 14px;
  border-radius: 999px;

  font-size: 14px;
  font-weight: 500;

  color: #d6deff;
  background: linear-gradient(
    180deg,
    rgba(138, 180, 255, 0.12),
    rgba(138, 180, 255, 0.06)
  );

  border: 1px solid rgba(138, 180, 255, 0.25);
  text-decoration: none;

  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.15s ease;
}

.footer .btn:hover {
  background: linear-gradient(
    180deg,
    rgba(138, 180, 255, 0.22),
    rgba(138, 180, 255, 0.12)
  );
  border-color: rgba(138, 180, 255, 0.45);
  color: #ffffff;
  transform: translateY(-1px);
}

.footer .btn:active {
  transform: translateY(0);
}


@media (max-width: 900px) {
  .controls { grid-template-columns: 1fr 1fr; }
  .card summary { grid-template-columns: 1fr; }
}

.seo-intro summary {
  cursor: pointer;
  color: #8ab4ff;
  font-size: 14px;
  margin-bottom: 6px;
}

.seo-intro p {
  color: #9aa3b2;
  font-size: 14px;
  line-height: 1.65;
}

.sr-only {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 10px 0 6px;
  flex-wrap: wrap;
  color: #b7b7b7;
  font-size: 13px;
}

.pager .btn2 {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid #2a2f3a;
  background: #12151c;
  color: #e8e8e8;
  text-decoration: none;
  cursor: pointer;
}

.pager .btn2:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pager .pill {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #2a2f3a;
  background: #12151c;
}

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;

  width: 44px;
  height: 44px;
  border-radius: 999px;

  border: 1px solid rgba(138, 180, 255, 0.35);
  background: rgba(18, 21, 28, 0.9);
  backdrop-filter: blur(6px);

  color: #d6deff;
  font-size: 20px;
  font-weight: 600;

  display: none;
  align-items: center;
  justify-content: center;

  cursor: pointer;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.to-top:hover {
  background: rgba(138, 180, 255, 0.18);
  border-color: rgba(138, 180, 255, 0.55);
  transform: translateY(-2px);
}

.to-top.show {
  display: inline-flex;
}