/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:        #2563eb;
  --blue-hover:  #1d4ed8;
  --blue-light:  #eff6ff;
  --blue-border: #bfdbfe;
  --green:       #16a34a;
  --green-light: #f0fdf4;
  --text:        #111827;
  --muted:       #6b7280;
  --border:      #e5e7eb;
  --bg:          #f9fafb;
  --card-bg:     #ffffff;
  --radius:      12px;
  --shadow:      0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

/* ── App shell ─────────────────────────────────────────────────────────────── */
#app {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px 60px;
}

/* ── Steps ─────────────────────────────────────────────────────────────────── */
.step { display: none; width: 100%; max-width: 520px; }
.step.active { display: block; }

/* ── Card ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  position: relative;
}

h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; }
h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.subtitle { color: var(--muted); margin-bottom: 28px; }

/* ── Intro card ────────────────────────────────────────────────────────────── */
.intro-card { text-align: center; }

.brand-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.brand-logo { object-fit: contain; }
.brand-logo--cottonwood { height: 36px; max-width: 180px; }
.brand-logo--gec        { height: 48px; max-width: 80px; }

/* ── Calendar option cards ─────────────────────────────────────────────────── */
.calendar-options {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

.cal-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--card-bg);
  cursor: pointer;
  text-align: left;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
.cal-btn:hover {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-light);
}
.cal-logo { height: 32px; max-width: 120px; object-fit: contain; flex-shrink: 0; }
.cal-btn .cal-label { font-weight: 600; font-size: 1rem; color: var(--text); }
.cal-btn .cal-desc  { font-size: 0.82rem; color: var(--muted); margin-top: 2px; }

/* ── Back button ───────────────────────────────────────────────────────────── */
.back-btn {
  background: none;
  border: none;
  color: var(--blue);
  font-size: 0.88rem;
  cursor: pointer;
  padding: 0;
  margin-bottom: 20px;
  display: inline-block;
}
.back-btn:hover { text-decoration: underline; }

/* ── Mini calendar ─────────────────────────────────────────────────────────── */
#mini-calendar { user-select: none; }

.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.cal-nav .month-label { font-weight: 700; font-size: 1rem; }
.cal-nav button {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 32px; height: 32px;
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.cal-nav button:disabled { opacity: .3; cursor: default; }
.cal-nav button:not(:disabled):hover { background: var(--blue-light); border-color: var(--blue-border); }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.cal-dow {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  padding-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.cal-day {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  font-size: 0.88rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .1s, border-color .1s;
}
.cal-day.empty { cursor: default; }
.cal-day.past, .cal-day.weekend { color: var(--muted); cursor: default; }
.cal-day.no-slots { color: var(--muted); cursor: default; }
.cal-day.has-slots { font-weight: 600; }
.cal-day.has-slots:hover { background: var(--blue-light); border-color: var(--blue-border); }
.cal-day.selected { background: var(--blue); color: #fff; border-color: var(--blue); }
.cal-day.today { border-color: var(--blue-border); }

/* ── Slot grid ─────────────────────────────────────────────────────────────── */
.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.slot-btn {
  padding: 10px 6px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: border-color .15s, background .15s;
}
.slot-btn:hover   { border-color: var(--blue); background: var(--blue-light); }
.slot-btn.selected { border-color: var(--blue); background: var(--blue); color: #fff; }

/* ── Booking form ──────────────────────────────────────────────────────────── */
.booking-summary {
  background: var(--blue-light);
  border: 1px solid var(--blue-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 24px;
}

form label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 4px;
  margin-top: 16px;
}
form label:first-of-type { margin-top: 0; }
.req { color: #ef4444; }
.opt { color: var(--muted); font-weight: 400; }

form input, form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color .15s;
  outline: none;
}
form input:focus, form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-light);
}
form textarea { resize: vertical; }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn-primary {
  display: block;
  width: 100%;
  margin-top: 24px;
  padding: 12px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
}
.btn-primary:hover:not(:disabled) { background: var(--blue-hover); }
.btn-primary:disabled { opacity: .55; cursor: default; }

.btn-secondary {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: none;
  color: var(--blue);
  border: 2px solid var(--blue);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-secondary:hover { background: var(--blue-light); }

/* ── Confirm ───────────────────────────────────────────────────────────────── */
.confirm-card { text-align: center; }
.check-icon { font-size: 3rem; margin-bottom: 12px; }
.confirm-details {
  background: var(--green-light);
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 16px;
  margin: 20px 0 12px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: #166534;
}
.confirm-note { color: var(--muted); font-size: 0.85rem; }

/* ── Loading ───────────────────────────────────────────────────────────────── */
.loading-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 20px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-text { color: var(--muted); font-size: 0.88rem; margin-top: 12px; }

/* ── Misc ──────────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.error-msg { color: #dc2626; font-size: 0.85rem; margin-top: 10px; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 560px) {
  .card { padding: 24px 18px; }
  #app { padding-top: 20px; }
  h1 { font-size: 1.35rem; }
}