:root {
  --ulic-blue: #044398;
  --ulic-orange: #f0582e;
  --text: #1c1c1c;
  --muted: #666;
  --border: #ddd;
}

* { box-sizing: border-box; }

/* The `hidden` attribute must win even over elements given display:flex
   (e.g. #loading, .banner), otherwise they never hide. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: 'Source Sans 3', sans-serif;
  color: var(--text);
  background: #fff;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.topbar {
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
}
.brand {
  color: var(--ulic-blue);
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 1.3rem;
}
.brand-sub {
  color: var(--muted);
  font-size: 0.85rem;
}

main {
  flex: 1;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

h1 {
  font-family: 'Playfair Display', serif;
  color: var(--ulic-blue);
  font-weight: 600;
  font-size: 1.7rem;
  margin: 8px 0 4px;
}
h1 em {
  color: var(--ulic-orange);
  font-style: italic;
}
h2 {
  font-size: 1.05rem;
  margin: 28px 0 10px;
  color: var(--ulic-blue);
}
.meta { color: var(--muted); margin-top: 0; }

form { max-width: 360px; }
label { display: block; font-size: 0.9rem; margin-bottom: 6px; }
input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 1rem;
  margin-bottom: 12px;
}
input[type="email"]:focus {
  outline: 2px solid var(--ulic-blue);
  border-color: var(--ulic-blue);
}

.btn-primary {
  background: var(--ulic-orange);
  color: #fff;
  border: none;
  border-radius: 3px;
  padding: 10px 22px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary:disabled { opacity: 0.6; cursor: default; }

.btn-ghost {
  background: #fff;
  color: var(--ulic-blue);
  border: 1px solid var(--ulic-blue);
  border-radius: 3px;
  padding: 6px 14px;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn-ghost:disabled { opacity: 0.4; cursor: default; }

.banner {
  border-left: 3px solid var(--ulic-orange);
  padding: 10px 14px;
  margin: 16px 0;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

#bookings .booking {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-top: 3px solid var(--ulic-orange);
  border-radius: 3px;
  padding: 10px 14px;
  margin-bottom: 10px;
}
.booking-actions { display: flex; gap: 8px; }

.duration-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.duration-label { font-size: 0.9rem; color: var(--muted); }
.duration-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.dur-btn {
  background: #fff;
  color: var(--ulic-blue);
  border: 1px solid var(--ulic-blue);
  border-radius: 3px;
  padding: 6px 12px;
  font-size: 0.9rem;
  cursor: pointer;
}
.dur-btn.active {
  background: var(--ulic-blue);
  color: #fff;
}
.dur-btn:disabled { opacity: 0.4; cursor: default; }
.duration-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 4px 0 16px;
  max-width: 60ch;
}

.week-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
#week-label { font-weight: 600; text-align: center; }

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.day {
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px 6px;
  min-height: 60px;
}
.day-head {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ulic-blue);
  margin-bottom: 8px;
  text-align: center;
}
.day-empty {
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}
.slot {
  display: block;
  width: 100%;
  margin-bottom: 6px;
  background: #fff;
  border: 1px solid var(--ulic-blue);
  color: var(--ulic-blue);
  border-radius: 3px;
  padding: 6px 4px;
  font-size: 0.85rem;
  cursor: pointer;
}
.slot:hover { background: var(--ulic-blue); color: #fff; }

.rules-note { color: var(--muted); font-size: 0.85rem; margin-top: 14px; }
.error { color: #b00020; }

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ulic-blue);
  color: #fff;
  padding: 12px 20px;
  border-radius: 3px;
  max-width: 90%;
  text-align: center;
  z-index: 10;
}
#toast.toast-error { background: #b00020; }

#loading {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 4px solid var(--border);
  border-top-color: var(--ulic-orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

footer {
  border-top: 1px solid var(--border);
  padding: 16px 20px;
  font-size: 0.85rem;
  color: var(--muted);
}
footer a { color: var(--ulic-blue); }
.footer-brand { margin-bottom: 0; }

@media (max-width: 700px) {
  .week-grid { grid-template-columns: 1fr; }
  .day { min-height: auto; }
  .day-head { text-align: left; }
  .day-empty { text-align: left; }
  .slot { max-width: 200px; }
}