:root{
  --bg:#0d1210;
  --panel:#111815;
  --panel-strong:#0c120f;
  --panel-glass:rgba(10,15,12,.72);
  --panel-info:rgba(14,20,17,.92);
  --text:#f6f5f0;
  --muted:#aeb8b1;
  --accent:#cfad68;
  --accent-strong:#b38d49;
  --line:rgba(255,255,255,.12);
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --hover:rgba(255,255,255,.05);
  --card-active:rgba(207,173,104,.12);
  --card-active-line:rgba(207,173,104,.38);
  --toast-bg:#ffffff;
  --toast-text:#131713;
  --pano-bg:#080b09;
  --loading-a:#1a251f;
  --loading-b:#0c110e;
}
html[data-theme="light"]{
  --bg:#ecf2ef;
  --panel:#ffffff;
  --panel-strong:#f6faf8;
  --panel-glass:rgba(255,255,255,.80);
  --panel-info:rgba(255,255,255,.95);
  --text:#152019;
  --muted:#5f6f67;
  --accent:#9b7540;
  --accent-strong:#835f2c;
  --line:rgba(20,32,25,.12);
  --shadow:0 18px 60px rgba(17,33,23,.12);
  --hover:rgba(20,32,25,.04);
  --card-active:rgba(155,117,64,.10);
  --card-active-line:rgba(155,117,64,.28);
  --toast-bg:#152019;
  --toast-text:#f7faf8;
  --pano-bg:#e5ece8;
  --loading-a:#ffffff;
  --loading-b:#eef4f1;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);overflow:hidden} body{background-image:radial-gradient(circle at 14% 18%, rgba(207,173,104,.08), transparent 24%), radial-gradient(circle at 84% 12%, rgba(155,117,64,.06), transparent 18%), linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0)); background-attachment:fixed;}
a{color:var(--accent)}
.app-shell{height:100%;display:grid;grid-template-columns:340px 1fr}
.sidebar{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--panel),var(--panel-strong));border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;z-index:30}.sidebar::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;background:radial-gradient(circle at 20% 14%, rgba(207,173,104,.13), transparent 22%),radial-gradient(circle at 84% 28%, rgba(207,173,104,.08), transparent 18%),linear-gradient(135deg, rgba(255,255,255,.14) 0, rgba(255,255,255,0) 34%),repeating-linear-gradient(135deg, rgba(155,117,64,.035) 0 2px, transparent 2px 18px)}
.brand{height:76px;display:flex;align-items:center;gap:12px;padding:0 20px;border-bottom:1px solid var(--line)}
.brand-copy{min-width:0}
.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--accent);color:#141711;font-weight:900;display:grid;place-items:center;box-shadow:0 8px 28px rgba(207,173,104,.22)}
.brand strong,.brand span{display:block}
.brand span{font-size:12px;color:var(--muted);margin-top:2px}
.tour-meta{position:relative;z-index:1;padding:24px 20px 16px}
.eyebrow,.nav-label{text-transform:uppercase;letter-spacing:.16em;font-size:10px;color:var(--accent);font-weight:800}
.tour-meta h1{font-family:Georgia,serif;font-size:28px;line-height:1.08;margin:8px 0 10px}
.tour-meta p{color:var(--muted);line-height:1.55;font-size:13px;margin:0}
.sidebar nav{position:relative;z-index:1;padding:8px 12px;min-height:0;display:flex;flex-direction:column;flex:1}
.nav-label{padding:8px}
.scene-list{overflow:auto;padding:3px 4px 18px}
.scene-card{width:100%;display:grid;grid-template-columns:86px 1fr;gap:12px;align-items:center;padding:8px;border:1px solid transparent;background:transparent;color:inherit;text-align:left;border-radius:14px;cursor:pointer;transition:.2s}
.scene-card:hover{background:var(--hover)}
.scene-card.active{background:var(--card-active);border-color:var(--card-active-line)}
.scene-thumb{width:86px;height:58px;object-fit:cover;border-radius:9px;background:#222}
.scene-card strong{font-size:13px;display:block;margin-bottom:3px}
.scene-card span{font-size:11px;color:var(--muted)}
.sidebar footer{position:relative;z-index:1;border-top:1px solid var(--line);padding:14px 20px;display:flex;gap:10px;flex-direction:column;color:var(--muted);font-size:11px}
.footer-actions{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.theme-chip{border:1px solid var(--line);background:transparent;color:var(--text);border-radius:999px;padding:8px 12px;font-size:11px;font-weight:700;cursor:pointer}
.theme-chip:hover{background:var(--hover)}
.viewer-wrap{position:relative;min-width:0;overflow:hidden}
.panorama{position:absolute;inset:0;background:var(--pano-bg)}
.loading-overlay{position:absolute;inset:0;z-index:18;background:radial-gradient(circle at 50% 45%,var(--loading-a),var(--loading-b));display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;transition:opacity .35s}
.loading-overlay.hidden{opacity:0;pointer-events:none}
.loader{width:36px;height:36px;border:3px solid rgba(255,255,255,.18);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
html[data-theme="light"] .loader{border-color:rgba(21,32,25,.14);border-top-color:var(--accent)}
@keyframes spin{to{transform:rotate(360deg)}}
.topbar{position:absolute;z-index:20;left:18px;right:18px;top:18px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.topbar>*{pointer-events:auto}
.scene-heading{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--line);border-radius:14px;background:var(--panel-glass);backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.scene-heading span{font-size:11px;color:var(--accent);font-weight:800}
.scene-heading strong{font-size:13px}
.top-actions{display:flex;gap:8px}
.control-btn,.round-btn,.icon-btn{border:1px solid var(--line);background:var(--panel-glass);color:var(--text);backdrop-filter:blur(14px);cursor:pointer;box-shadow:0 8px 26px rgba(0,0,0,.14);transition:.18s}
.control-btn{width:42px;height:42px;border-radius:13px;font-weight:800;font-size:17px}
.control-btn:hover,.round-btn:hover,.theme-chip:hover{background:var(--accent);color:#141711}
.control-btn.active{background:var(--accent);color:#141711}
.bottom-controls{position:absolute;z-index:20;left:50%;bottom:24px;transform:translateX(-50%);display:flex;gap:8px;padding:8px;border:1px solid var(--line);border-radius:999px;background:var(--panel-glass);backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.round-btn{width:42px;height:42px;border-radius:50%;font-size:22px}
.round-btn.wide{width:48px}
.info-panel{position:absolute;z-index:25;right:20px;top:76px;width:min(380px,calc(100% - 40px));padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--panel-info);backdrop-filter:blur(22px);box-shadow:var(--shadow);transform:translateX(calc(100% + 40px));opacity:0;transition:.25s}
.info-panel.open{transform:none;opacity:1}
.info-panel h2{font-family:Georgia,serif;font-size:25px;margin:8px 0}
.info-panel p{font-size:13px;line-height:1.6;color:var(--muted)}
.info-panel .icon-btn{position:absolute;right:12px;top:12px}
.icon-btn{border-radius:10px;width:34px;height:34px;font-size:20px}
.hint{padding-top:12px;border-top:1px solid var(--line)}
.toast{position:absolute;z-index:60;left:50%;top:80px;transform:translate(-50%,-10px);background:var(--toast-bg);color:var(--toast-text);border-radius:12px;padding:10px 14px;box-shadow:var(--shadow);font-size:12px;opacity:0;pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.mobile-only{display:none}
.pnlm-container{background:var(--pano-bg)}
.pnlm-hotspot-base.scene-hotspot{width:58px;height:58px;border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.97),rgba(244,244,241,.93));box-shadow:0 14px 34px rgba(0,0,0,.24);display:grid;place-items:center;border:1px solid rgba(255,255,255,.75)}
html[data-theme="light"] .pnlm-hotspot-base.scene-hotspot{background:linear-gradient(180deg,#fff,#f7f4ef);border-color:rgba(21,32,25,.10)}
.pnlm-hotspot-base.scene-hotspot:after{content:'➜';color:#162019;font-size:26px;font-weight:900;line-height:1}
.pnlm-hotspot-base.scene-hotspot:hover{background:linear-gradient(180deg,var(--accent),var(--accent-strong));transform:scale(1.08)}
.pnlm-hotspot-base.scene-hotspot:hover:after{color:#141711}
.pnlm-tooltip span{background:var(--panel)!important;color:var(--text)!important;border-radius:10px!important;padding:8px 10px!important;font-size:12px!important;border:1px solid var(--line)!important}
.pnlm-load-box{display:none!important}
@media(max-width:900px){
  .app-shell{display:block}
  .sidebar{position:absolute;inset:0 auto 0 0;width:min(88vw,350px);transform:translateX(-105%);transition:.25s;box-shadow:var(--shadow)}
  .sidebar.open{transform:none}
  .viewer-wrap{height:100%}
  .mobile-only{display:inline-grid;place-items:center}
  .brand .mobile-only{margin-left:auto}
  .scene-heading{max-width:calc(100vw - 230px)}
  .scene-heading strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .bottom-controls{bottom:max(16px,env(safe-area-inset-bottom))}
  .topbar{top:max(12px,env(safe-area-inset-top));left:12px;right:12px}
}

/* Passwort-Gate */
.unlock-body{min-height:100%;overflow:auto;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 15%,var(--loading-a),var(--bg))}
.unlock-card{width:min(520px,100%);background:var(--panel-info);border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow);backdrop-filter:blur(24px)}
.unlock-card .brand-mark{margin-bottom:22px}
.unlock-card h1{font-family:Georgia,serif;font-size:32px;line-height:1.1;margin:8px 0 10px}
.unlock-card>p{color:var(--muted);line-height:1.55;margin:0 0 22px}
.unlock-card label{display:grid;gap:8px;font-size:12px;color:var(--muted);font-weight:800}
.unlock-card input{width:100%;margin-top:6px;border:1px solid var(--line);background:var(--panel-strong);color:var(--text);border-radius:12px;padding:13px 14px;font:inherit;outline:none}
.unlock-card input:focus{border-color:var(--accent)}
.unlock-btn{width:100%;margin-top:14px;border:0;border-radius:12px;padding:13px 16px;background:var(--accent);color:#151912;font-weight:900;cursor:pointer}
.gate-error{padding:11px 13px;border-radius:10px;background:rgba(216,108,108,.13);border:1px solid rgba(216,108,108,.28);margin:14px 0;color:#f0a1a1;font-size:13px}
html[data-theme="light"] .gate-error{color:#9c3d3d}
.gate-theme{margin-top:14px;border:0;background:transparent;color:var(--muted);cursor:pointer;font-weight:700}

/* Eingebettete Tour: Fokus auf die eigentliche Tour, trotzdem vollständige Navigation */
.embed-page .app-shell{grid-template-columns:280px 1fr}
.embed-page .brand{height:66px}
.embed-page .tour-meta{padding-top:18px}
.embed-page .tour-meta h1{font-size:23px}
@media(max-width:900px){.embed-page .app-shell{display:block}}

html[data-theme="light"] body{background-image:radial-gradient(circle at 12% 18%, rgba(207,173,104,.16), transparent 28%), radial-gradient(circle at 86% 10%, rgba(155,117,64,.10), transparent 20%), linear-gradient(180deg, rgba(255,255,255,.68), rgba(236,242,239,.92));}

/* Administrierbare Tour-Oberfläche */
.is-hidden{display:none!important}
.app-shell.sidebar-disabled{grid-template-columns:1fr}
.app-shell.sidebar-disabled .sidebar{display:none!important}
.control-btn.map-btn{display:grid;place-items:center;text-decoration:none;line-height:1}
.round-btn:disabled{opacity:.35;cursor:not-allowed}
.round-btn:disabled:hover{background:var(--panel-glass);color:var(--text)}
.location-info{margin:14px 0;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--hover);font-size:13px;line-height:1.55;color:var(--muted)}
.location-info a{display:inline-flex;margin-top:8px;text-decoration:none;font-weight:800;color:var(--accent)}
@media(max-width:900px){.app-shell.sidebar-disabled .viewer-wrap{height:100%}}

/* ---------------------------------------------------------
   Responsive Steuerleiste – verhindert abgeschnittene Symbole
   --------------------------------------------------------- */
.topbar{min-width:0;gap:10px}
.scene-heading{min-width:0;max-width:min(520px,48vw)}
.scene-heading strong{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-actions{min-width:0;flex:0 0 auto;align-items:center;justify-content:flex-end}
.control-btn{flex:0 0 42px;display:inline-grid;place-items:center;padding:0;line-height:1}

/* Schmale Viewer / Tablets / eingebettete Touren:
   Titel oben, Funktionsleiste vollständig in einer zweiten Reihe. */
@media(max-width:760px){
  .topbar{
    top:max(10px,env(safe-area-inset-top));
    left:10px;
    right:10px;
    display:grid;
    grid-template-columns:auto minmax(0,1fr);
    grid-template-rows:auto auto;
    align-items:center;
    justify-content:stretch;
    gap:8px;
  }
  .topbar>#menuBtn:not(.is-hidden){grid-column:1;grid-row:1}
  .scene-heading{
    grid-column:2;
    grid-row:1;
    width:100%;
    max-width:none;
    min-width:0;
    height:42px;
    padding:8px 12px;
  }
  .top-actions{
    grid-column:1 / -1;
    grid-row:2;
    width:100%;
    max-width:100%;
    justify-content:center;
    flex-wrap:wrap;
    gap:7px;
    padding:0 2px;
  }
  .control-btn{
    width:40px;
    height:40px;
    flex-basis:40px;
    border-radius:12px;
    font-size:16px;
  }
  .scene-heading strong{font-size:12px}
  .scene-heading span{font-size:10px}
  .info-panel{top:108px}
}

/* Sehr schmale Smartphones: kompakter, aber weiterhin vollständig sichtbar. */
@media(max-width:430px){
  .topbar{left:8px;right:8px;gap:6px}
  .scene-heading{height:38px;padding:7px 10px}
  .control-btn{width:36px;height:36px;flex-basis:36px;border-radius:11px;font-size:15px}
  .top-actions{gap:6px}
  .info-panel{top:98px}
}

/* Wenn kein Seitenmenü angezeigt wird, nimmt die Überschrift die erste Spalte mit ein. */
@media(max-width:760px){
  .app-shell.sidebar-disabled .scene-heading{grid-column:1 / -1}
  .app-shell.sidebar-disabled .topbar>#menuBtn{display:none!important}
}

/* Direkter Rückweg aus einem geöffneten Rundgang ins Portal */
.portal-home-btn{display:inline-grid;place-items:center;text-decoration:none;font-size:22px;font-weight:900;background:var(--accent);color:#141711;border-color:transparent}
.portal-home-btn:hover{background:var(--accent-strong);color:#fff}
html[data-theme="light"] .portal-home-btn:hover{color:#fff}