:root{
  --bg0:#050814;
  --bg1:#0b1020;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.08);
  --stroke:rgba(255,255,255,.10);
  --txt:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.60);
  --accent:#5ef3ff;
  --accent2:#a76bff;
  --danger:#ff4d6d;
  --ok:#2dff92;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --r:18px;
}

*{ box-sizing:border-box; }
body.hotelbt-body{
  background: radial-gradient(1200px 800px at 20% 10%, rgba(94,243,255,.18), transparent 55%),
              radial-gradient(1000px 800px at 90% 20%, rgba(167,107,255,.16), transparent 55%),
              linear-gradient(180deg, var(--bg1), var(--bg0));
  color: var(--txt);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  min-height: 100vh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) calc(84px + env(safe-area-inset-bottom)) env(safe-area-inset-left);
}

.hb-shell{ max-width: 1120px; margin: 0 auto; }
.hb-topbar{
  position: sticky; top: 0;
  padding: 14px 12px;
  display:flex; align-items:center; justify-content:space-between; gap: 12px;
  backdrop-filter: blur(14px);
  background: rgba(5,8,20,.35);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 22px;
  margin: 10px 10px 14px;
}

.hb-brand{ display:flex; align-items:center; gap: 10px; }
.hb-logo{
  width: 40px; height: 40px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(94,243,255,.35), rgba(167,107,255,.25));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  font-weight: 800;
}
.hb-brand-text .hb-title{ font-size: 14px; font-weight: 700; letter-spacing:.2px; }
.hb-brand-text .hb-subtitle{ font-size: 12px; color: var(--muted); margin-top:2px; }

.hb-status{ display:flex; align-items:center; gap: 10px; }
.hb-pill{
  font-size: 12px; padding: 6px 10px; border-radius: 999px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.10);
}
.hb-small{ font-size: 12px; color: var(--muted); }

.hb-main{ padding: 0 10px; }

.hb-card{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.hb-center{ max-width: 520px; margin: 0 auto; }
.hb-h1{ font-size: 20px; margin: 0 0 8px; }
.hb-h2{ font-size: 15px; margin: 0 0 8px; color: rgba(255,255,255,.88); }
.hb-p{ margin: 0 0 12px; font-size: 13px; line-height: 1.45; }
.hb-muted{ color: var(--muted); }

.hb-divider{
  height: 1px; background: rgba(255,255,255,.10);
  margin: 14px 0;
}

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

.hb-chip{
  text-align:right;
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  min-width: 160px;
}
.hb-chip-title{ font-weight: 700; font-size: 13px; }
.hb-chip-sub{ font-size: 12px; color: var(--muted); margin-top:2px; }

.hb-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 860px){
  body.hotelbt-body{ padding-bottom: calc(18px + env(safe-area-inset-bottom)); }
  .hb-grid{ grid-template-columns: 1fr 1fr; }
  .hb-nav{ display:none; }
}

.hb-panel{
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 20px;
  padding: 14px;
}

.hb-form{ display:flex; flex-direction:column; gap: 10px; }
.hb-form-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 860px){
  .hb-form-grid{ grid-template-columns: 1fr 1fr; }
  .hb-form-grid textarea{ grid-column: 1 / -1; min-height: 90px; }
}

.hb-label{ font-size: 12px; color: var(--muted); margin-top:4px; }
.hb-input{
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  color: var(--txt);
  padding: 12px 12px;
  outline: none;
}
.hb-input:focus{
  border-color: rgba(94,243,255,.55);
  box-shadow: 0 0 0 3px rgba(94,243,255,.12);
}

.hb-actions{ display:flex; flex-wrap:wrap; gap: 10px; align-items:center; }

.hb-btn{
  border-radius: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--txt);
  cursor:pointer;
  transition: transform .08s ease, border-color .2s ease, background .2s ease;
  user-select:none;
}
.hb-btn:hover{ border-color: rgba(94,243,255,.45); }
.hb-btn:active{ transform: translateY(1px); }

.hb-btn-primary{
  background: linear-gradient(135deg, rgba(94,243,255,.22), rgba(167,107,255,.18));
  border-color: rgba(255,255,255,.16);
}
.hb-btn-danger{
  background: rgba(255,77,109,.14);
  border-color: rgba(255,77,109,.35);
}

.hb-alert{
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  font-size: 12px;
  color: rgba(255,255,255,.88);
}

.hb-list{
  display:flex; flex-direction:column; gap: 8px;
  margin-top: 10px;
}
.hb-item{
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  display:flex; justify-content:space-between; gap: 10px; align-items:flex-start;
}
.hb-item b{ font-size: 13px; }
.hb-item small{ color: var(--muted); font-size: 12px; display:block; margin-top:2px; }

.hb-mini{ margin-top: 10px; color: var(--muted); font-size: 12px; }
.hb-log{
  margin-top: 10px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  padding: 10px;
  max-height: 360px;
  overflow:auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11.5px;
  line-height: 1.45;
  color: rgba(255,255,255,.84);
  white-space: pre-wrap;
}

.hb-zone{
  padding: 12px 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: radial-gradient(600px 200px at 10% 0%, rgba(94,243,255,.16), transparent 55%),
              rgba(255,255,255,.05);
  font-weight: 800;
  letter-spacing:.2px;
  margin: 8px 0 12px;
}

.hb-nav{
  position: fixed;
  left: 10px; right: 10px; bottom: 10px;
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(5,8,20,.55);
  backdrop-filter: blur(14px);
  display:flex;
  gap: 8px;
  justify-content: space-between;
}
.hb-nav-item{
  flex: 1;
  text-decoration:none;
  color: rgba(255,255,255,.85);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 6px;
  padding: 8px 8px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  font-size: 11px;
}
.hb-ico{ font-size: 16px; color: rgba(94,243,255,.92); }