:root{
  --bg: #f5f2ee;
  --panel: #ffffff;
  --ink: #211d1a;
  --ink-soft: #6b6259;
  --line: #e2dcd3;
  --gold: #b08650;
  --gold-deep: #8f6a3c;
  --coral: #c17a5c;
  --platinum: #8a8f95;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(33,29,26,.08);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  min-height:100vh;
}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px;
  background:var(--panel);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:50;
}
.topbar__brand{ display:flex; align-items:center; gap:12px; }
.topbar__name{ font-size:18px; font-weight:700; letter-spacing:.14em; }
.topbar__sep{ width:1px; height:16px; background:var(--line); }
.topbar__tag{ font-size:13px; color:var(--ink-soft); letter-spacing:.02em; }

.breadcrumb{ display:flex; align-items:center; gap:8px; font-size:14px; color:var(--ink-soft); }
.breadcrumb button{
  background:none; border:none; cursor:pointer;
  font:inherit; color:var(--ink-soft); padding:6px 4px;
}
.breadcrumb button:hover{ color:var(--gold-deep); }
.breadcrumb .current{ color:var(--ink); font-weight:600; }
.breadcrumb .sep{ color:var(--line); }

#app{ max-width:1400px; margin:0 auto; padding:0 0 60px; }
#app:has(.viewer){ max-width:1760px; }

/* ---------- HERO ---------- */
.hero{ position:relative; }
.hero__frame{
  position:relative; width:100%; overflow:hidden;
  background:#000;
}
.hero__frame img{ display:block; width:100%; height:auto; pointer-events:none; user-select:none; }
.hero__caption{
  position:absolute; left:0; top:0; padding:36px 40px;
  color:#fff; text-shadow:0 2px 16px rgba(0,0,0,.45);
  max-width:640px; pointer-events:none; z-index:5;
}
.hero__caption h1{ font-size:32px; margin:0 0 8px; font-weight:700; letter-spacing:.01em; }
.hero__caption p{ margin:0; font-size:15px; opacity:.92; }

.tower-zone{
  position:absolute;
}
.tower-zone__label{
  position:absolute; left:50%; top:-34px; transform:translateX(-50%);
  background:rgba(20,17,15,.72); color:#fff; font-size:13px; font-weight:600;
  padding:6px 14px; border-radius:999px; white-space:nowrap;
  opacity:0; transition:opacity .18s ease; pointer-events:none;
}
.tower-zone:hover .tower-zone__label{ opacity:1; }

.floor-band{
  position:absolute; left:0; width:100%;
  cursor:pointer;
  overflow:visible;
}
.floor-band--empty{ cursor:default; }

/* Highlight bar bleeds a bit past the tower's walls and fades out at both
   ends via gradient, rather than a hard-edged rectangle. */
.floor-band__glow{
  position:absolute; top:0; bottom:0; left:-7%; right:-7%;
  background:linear-gradient(to right,
    transparent 0%,
    rgba(255,255,255,.42) 14%,
    rgba(255,255,255,.42) 86%,
    transparent 100%);
  opacity:0; transition:opacity .16s ease;
  pointer-events:none;
}
.floor-band:hover .floor-band__glow{ opacity:1; }
.floor-band--empty .floor-band__glow{
  background:linear-gradient(to right,
    transparent 0%,
    rgba(0,0,0,.32) 14%,
    rgba(0,0,0,.32) 86%,
    transparent 100%);
}

.floor-band__chip{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%) scale(.85);
  background:rgba(20,17,15,.82); color:#fff; padding:6px 14px; border-radius:999px;
  font-size:13px; font-weight:700; letter-spacing:.02em; white-space:nowrap;
  opacity:0; transition:opacity .14s ease, transform .14s ease;
  pointer-events:none; z-index:10;
}
.floor-band--empty .floor-band__chip{ font-weight:600; opacity:0; }
.floor-band:hover .floor-band__chip{ opacity:1; transform:translate(-50%,-50%) scale(1); }

.hero__hint{
  text-align:center; color:var(--ink-soft); font-size:13px;
  padding:14px 20px 0;
}

/* ---------- SECTION HEADER ---------- */
.section-head{ padding:36px 40px 8px; }
.section-head h2{ margin:0 0 4px; font-size:26px; font-weight:700; }
.section-head p{ margin:0; color:var(--ink-soft); font-size:14px; }

/* ---------- FLOOR GRID ---------- */
.floor-grid{
  display:flex; flex-wrap:wrap; gap:12px;
  padding:20px 40px 40px;
}
.floor-btn{
  min-width:78px; padding:16px 10px;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  font-size:18px; font-weight:700; color:var(--ink);
  cursor:pointer; text-align:center;
  transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.floor-btn small{ display:block; font-weight:500; font-size:11px; color:var(--ink-soft); margin-top:4px; }
.floor-btn:hover{ box-shadow:var(--shadow); transform:translateY(-2px); border-color:var(--gold); }

/* ---------- APARTMENT GRID ---------- */
.apt-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(190px,1fr));
  gap:16px; padding:20px 40px 40px;
}
.apt-card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 20px; cursor:pointer; text-align:left;
  transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.apt-card:hover{ box-shadow:var(--shadow); transform:translateY(-2px); border-color:var(--gold); }
.apt-card__num{ font-size:38px; font-weight:800; line-height:1.1; letter-spacing:-.01em; }
.apt-card__rooms{ font-size:15px; color:var(--ink-soft); margin-top:4px; }
.apt-card__dirs{ display:flex; gap:8px; margin-top:16px; }
.dir-chip{
  font-size:13px; font-weight:700; letter-spacing:.04em;
  padding:6px 12px; border-radius:999px;
  background:#f1e9df; color:var(--gold-deep);
}

/* ---------- VIEWER ---------- */
.viewer{ padding:24px 40px 50px; }
.viewer__head{ display:flex; align-items:baseline; gap:14px; margin-bottom:18px; flex-wrap:wrap; }
.viewer__head h2{ margin:0; font-size:26px; font-weight:700; }
.viewer__head span{ color:var(--ink-soft); font-size:14px; }

.viewer__body{ display:grid; grid-template-columns:1fr 260px; gap:28px; align-items:start; }
.viewer__photo-wrap{ text-align:center; }
.viewer__photo-wrap img{
  display:inline-block; width:auto; height:auto;
  max-width:100%; max-height:calc(100vh - 190px);
  border-radius:var(--radius); box-shadow:var(--shadow); background:#111;
}

.viewer__side{ display:flex; flex-direction:column; gap:16px; }
.dir-tabs{ display:flex; flex-direction:column; gap:8px; }
.dir-tab{
  display:flex; align-items:center; gap:10px;
  padding:14px 16px; border-radius:12px; border:1px solid var(--line);
  background:var(--panel); cursor:pointer; font-size:15px; font-weight:600;
  transition:border-color .12s ease, background .12s ease;
}
.dir-tab .compass-mark{
  width:10px; height:10px; border-radius:50%; background:var(--line);
}
.dir-tab.active{ border-color:var(--gold); background:#fbf6ef; }
.dir-tab.active .compass-mark{ background:var(--gold); }

.compass{
  width:120px; height:120px; margin:0 auto;
  position:relative; border-radius:50%;
  border:1px solid var(--line); background:var(--panel);
}
.compass span{
  position:absolute; font-size:11px; font-weight:700; color:var(--ink-soft);
}
.compass span.active{ color:var(--gold-deep); }
.compass .n{ top:6px; left:50%; transform:translateX(-50%); }
.compass .s{ bottom:6px; left:50%; transform:translateX(-50%); }
.compass .e{ right:8px; top:50%; transform:translateY(-50%); }
.compass .w{ left:8px; top:50%; transform:translateY(-50%); }
.compass .dot{
  position:absolute; width:10px; height:10px; border-radius:50%;
  background:var(--gold); top:50%; left:50%; transform:translate(-50%,-50%);
}

@media (max-width: 780px){
  .topbar{ padding:14px 18px; }
  .section-head, .floor-grid, .apt-grid, .viewer{ padding-left:18px; padding-right:18px; }
  .viewer__body{ grid-template-columns:1fr; }
  .hero__caption h1{ font-size:22px; }
  .hero__caption{ padding:20px; }
}