/* noncritical.css - loaded after first paint (below-the-fold and interactive styles) */

:root {
  --bb-dark: #0a0a0a;
  --bb-card: #171717;
  --bb-green: #4ade80;
  --bb-green-hover: #22c55e;
}

[hidden] { display: none !important; }
[id] { scroll-margin-top: 5rem; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bb-card); }
::-webkit-scrollbar-thumb { background: var(--bb-green); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--bb-green-hover); }

:focus-visible { outline: 2px solid var(--bb-green); outline-offset: 2px; }

/* Scroll reveal (class is added by noncritical.js, so nothing is hidden if JS fails) */
.reveal-pending {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease-out, transform .8s ease-out;
}
.reveal-pending.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  .reveal-pending { transition: none; }
}

/* Hero video fades in once it is playing */
.hero-video { opacity: 0; transition: opacity 1.2s ease; }
.hero-video.is-playing { opacity: .9; }

/* Desktop "Classes Timetable" dropdown menu */
.nav-menu {
  position: absolute;
  left: 0;
  top: calc(100% + .75rem);
  z-index: 60;
  display: grid;
  gap: .35rem;
  min-width: 220px;
  padding: .5rem;
  background: rgba(17, 24, 39, .96);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: .9rem;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .35);
}
.nav-menu a {
  display: block;
  padding: .7rem .9rem;
  border-radius: .7rem;
  background: rgba(255, 255, 255, .02);
  color: #d1d5db;
  font-weight: 500;
  text-decoration: none;
  transition: background .2s, color .2s;
}
.nav-menu a:hover { background: rgba(74, 222, 128, .12); color: #a7f3d0; }

/* Accordions (FAQ, privacy, cookies) */
.acc {
  background: var(--bb-card);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 1rem;
  transition: border-color .2s;
}
.acc:hover, .acc[open] { border-color: rgba(74, 222, 128, .5); }
.acc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  list-style: none;
  cursor: pointer;
  color: #fff;
  font-family: Poppins, sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
  content: "";
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(74, 222, 128, .2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234ade80' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center / 1rem no-repeat;
  transition: transform .3s;
}
.acc[open] summary::after { transform: rotate(180deg); }
.acc > div { padding: 0 1.5rem 1.5rem; color: #9ca3af; line-height: 1.625; }
.acc > div > * + * { margin-top: 1rem; }
.acc strong { color: #fff; }
.acc a, .link-btn { color: var(--bb-green); text-decoration: underline; transition: color .2s; }
.acc a:hover, .link-btn:hover { color: #fff; }
.acc ol { padding-left: 1.25rem; list-style: decimal; }
.acc li + li { margin-top: .5rem; }
.acc li::marker { color: var(--bb-green); font-weight: 700; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; cursor: pointer; }

/* Etiquette cards */
.rule {
  padding: 1.25rem;
  background: var(--bb-dark);
  border: 1px solid rgba(255, 255, 255, .05);
  border-radius: .75rem;
}
.rule h3 {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .5rem;
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
}
.rule h3 .icon { color: var(--bb-green); font-size: 1.25rem; }
.rule h3 .icon.warn { color: #f87171; }
.rule p { color: #9ca3af; font-size: .875rem; }

/* Cookie banner: small corner card, full width only on phones */
.cc {
  position: fixed;
  right: .75rem;
  bottom: .75rem;
  left: .75rem;
  z-index: 70;
  max-height: 80vh;
  padding: 1rem;
  overflow-y: auto;
  background: var(--bb-card);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: .875rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}
.cc h2 { margin-bottom: .25rem; color: #fff; font-family: Poppins, sans-serif; font-size: 1rem; font-weight: 700; }
.cc p { color: #9ca3af; font-size: .8125rem; line-height: 1.5; }
.cc a { color: var(--bb-green); text-decoration: underline; }
.cc-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .75rem; }
.cc-actions button {
  flex: 1 1 auto;
  padding: .5rem 1rem;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  font-family: Poppins, sans-serif;
  font-size: .8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.cc-actions button:hover { background: rgba(255, 255, 255, .2); }
.cc-actions .cc-primary { border-color: transparent; background: var(--bb-green); color: #000; }
.cc-actions .cc-primary:hover { background: var(--bb-green-hover); }
.cc-actions .cc-ghost {
  flex-basis: 100%;
  padding: .125rem;
  border: 0;
  background: none;
  color: #9ca3af;
  font-family: inherit;
  font-size: .75rem;
  font-weight: 400;
  text-decoration: underline;
}
.cc-actions .cc-ghost:hover { background: none; color: #fff; }
.cc-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .5rem;
  padding: .75rem;
  background: rgba(255, 255, 255, .05);
  border-radius: .75rem;
}
.cc-row strong, .cc-row label { color: #fff; font-weight: 600; }
.cc-row p { margin-top: .25rem; }
.cc-tag {
  flex: none;
  padding: .25rem .75rem;
  border: 1px solid rgba(74, 222, 128, .3);
  border-radius: 999px;
  background: rgba(74, 222, 128, .1);
  color: var(--bb-green);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.switch {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 2.75rem;
  height: 1.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, .2);
  cursor: pointer;
  transition: background .2s;
}
.switch::after {
  content: "";
  position: absolute;
  top: .125rem;
  left: .125rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: #fff;
  transition: transform .2s;
}
.switch:checked { background: var(--bb-green); }
.switch:checked::after { transform: translateX(1.25rem); }

@media (min-width: 640px) {
  .cc { right: auto; width: 22rem; }
}