*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:    #1a56db;
  --blue-dk: #1e429f;
  --gray:    #f3f4f6;
  --border:  #d1d5db;
  --text:    #111827;
  --sub:     #6b7280;
  --shadow:  0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f9fafb;
  color: var(--text);
  min-height: 100vh;
}

header {
  background: var(--blue-dk);
  padding: 14px 24px;
}
.header-inner { display: flex; align-items: baseline; gap: 12px; }
.logo { color: #fff; font-size: 1.4rem; letter-spacing: .5px; text-decoration: none; }
.logo strong { font-weight: 800; }
.subtitle { color: rgba(255,255,255,.6); font-size: .85rem; }

main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 60px; }

.search-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}
.form-row:last-child { margin-bottom: 0; }

.field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 160px; }
.field--wide { flex: 2; }
.field--sm   { flex: 0 0 100px; min-width: 80px; }
.field-note  { font-size: .8rem; color: var(--sub); align-self: flex-end; padding-bottom: 4px; }

label { font-size: .8rem; font-weight: 600; color: var(--sub); text-transform: uppercase; letter-spacing: .4px; }

input[type="text"],
input[type="date"],
input[type="number"],
select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: .95rem;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color .15s;
  width: 100%;
}
input:focus, select:focus { border-color: var(--blue); }

.input-wrap { position: relative; }

.suggest {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 6px 6px;
  list-style: none;
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
  display: none;
}
.suggest.open { display: block; }
.suggest li { padding: 8px 12px; cursor: pointer; font-size: .9rem; }
.suggest li:hover { background: var(--gray); }

.age-range { display: flex; align-items: center; gap: 8px; }
.age-range input { flex: 1; }
.age-range span { color: var(--sub); font-size: 1.1rem; }

.form-actions { align-items: center; }

.btn-search {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 32px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-search:hover   { background: var(--blue-dk); }
.btn-search:disabled { opacity: .6; cursor: not-allowed; }

.btn-clear {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 20px;
  font-size: .9rem;
  color: var(--sub);
  cursor: pointer;
}
.btn-clear:hover { border-color: #9ca3af; color: var(--text); }

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px;
  color: var(--sub);
  font-size: .95rem;
}
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-box {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: .95rem;
}

.results-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.results-header h2 { font-size: 1.1rem; font-weight: 700; }
.badge {
  background: var(--blue);
  color: #fff;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: .78rem;
  font-weight: 700;
}

.hotel-group { margin-bottom: 28px; }
.hotel-group-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-dk);
  border-bottom: 2px solid var(--blue);
  padding-bottom: 6px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hotel-city-tag {
  font-size: .75rem;
  font-weight: 600;
  background: var(--gray);
  color: var(--sub);
  border-radius: 4px;
  padding: 2px 7px;
  text-transform: uppercase;
}
.hotel-concept-tag {
  font-size: .72rem;
  font-weight: 700;
  background: #dbeafe;
  color: #1e40af;
  border-radius: 4px;
  padding: 2px 7px;
}

.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.room-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow);
  transition: box-shadow .15s;
}
.room-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.1); }

.room-name {
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}

.room-price-main {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--blue-dk);
  line-height: 1;
}
.room-currency { font-size: 1rem; font-weight: 600; margin-right: 2px; }
.room-per-night { font-size: .78rem; color: var(--sub); margin-top: 4px; }

.room-nights {
  display: inline-block;
  background: var(--gray);
  color: var(--sub);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: .75rem;
  margin-top: 6px;
}

.room-key {
  font-size: .72rem;
  color: var(--sub);
  margin-top: 8px;
  font-family: monospace;
  word-break: break-all;
}

.fallback-warn {
  font-size: .72rem;
  color: #92400e;
  background: #fef3c7;
  border-radius: 4px;
  padding: 3px 7px;
  margin-top: 8px;
}

.breakdown-toggle {
  font-size: .75rem;
  color: var(--blue);
  cursor: pointer;
  margin-top: 10px;
  display: inline-block;
  user-select: none;
}
.breakdown-toggle:hover { text-decoration: underline; }

.breakdown-table {
  width: 100%;
  font-size: .75rem;
  border-collapse: collapse;
  margin-top: 8px;
  display: none;
}
.breakdown-table.open { display: table; }
.breakdown-table th,
.breakdown-table td {
  text-align: left;
  padding: 4px 6px;
  border-bottom: 1px solid var(--gray);
}
.breakdown-table th { color: var(--sub); font-weight: 600; }

@media (max-width: 600px) {
  .form-row { gap: 10px; }
  .field--sm { flex: 0 0 calc(50% - 10px); }
  .room-price-main { font-size: 1.3rem; }
}