/* Bewusst schlicht und ohne Framework: die Seite muss auf einem Desktop, einem
   Telefon und im Quest-Browser funktionieren, und im immersiven VR-Modus ist
   von diesem DOM ohnehin nichts zu sehen (dafuer gibt es den 3D-HUD). */
:root {
  --bg: #0b0d12;
  --fg: #e8eaf0;
  --muted: #9aa3b5;
  --accent: #6ea8ff;
  --panel: rgba(16, 19, 27, 0.88);
  --border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block;
        touch-action: none; }

.hidden { display: none !important; }

.overlay {
  position: fixed; inset: 0; z-index: 20;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 24px;
  background: radial-gradient(circle at 50% 35%, #182033 0%, #0b0d12 70%);
  text-align: center;
}
.overlay h1 { margin: 0; font-size: clamp(28px, 6vw, 44px); letter-spacing: 0.02em; }
.overlay .sub { margin: 0 0 20px; color: var(--muted); }

.modes { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
         max-width: 720px; }
.mode {
  flex: 1 1 190px; min-width: 170px; max-width: 220px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 20px 16px; border-radius: 14px; cursor: pointer;
  background: var(--panel); color: var(--fg);
  border: 1px solid var(--border);
  font: inherit; transition: border-color .15s, transform .15s;
}
.mode:hover:not(:disabled) { border-color: var(--accent); transform: translateY(-2px); }
.mode:disabled { opacity: .45; cursor: not-allowed; }
.mode .icon { font-size: 30px; }
.mode strong { font-size: 16px; }
.mode em { font-style: normal; font-size: 13px; color: var(--muted); }

.hint { margin-top: 18px; color: var(--muted); font-size: 13px; max-width: 560px; }

#console {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%);
  z-index: 10; width: min(680px, calc(100% - 32px));
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px; backdrop-filter: blur(8px);
}
#prompt-form { display: flex; gap: 8px; }
#prompt {
  flex: 1; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: #0e1119; color: var(--fg);
  font: inherit; min-width: 0;
}
#prompt:focus { outline: none; border-color: var(--accent); }
#go {
  padding: 10px 18px; border-radius: 8px; border: none; cursor: pointer;
  background: var(--accent); color: #07101f; font: inherit; font-weight: 600;
}
#go:disabled { opacity: .5; cursor: default; }

.status-line { margin-top: 8px; font-size: 13px; color: var(--muted);
               white-space: pre-wrap; }
.status-line.error { color: #ff8a8a; }

#stats {
  position: fixed; top: 12px; left: 12px; z-index: 10;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px;
  font: 12px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--muted); white-space: pre;
}
#stats b { color: var(--fg); font-weight: 600; }
#stats .warn { color: #ffcc66; }

#toast {
  position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 30;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 16px; max-width: min(90vw, 560px);
}

/* --- Erweiterte Einstellungen ------------------------------------------- */
#toggle-advanced {
  padding: 10px 14px; border-radius: 8px; cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); font: inherit;
}
#toggle-advanced:hover { color: var(--fg); border-color: var(--accent); }

#advanced {
  margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 8px; font-size: 13px;
}
#advanced label { display: flex; align-items: center; gap: 8px; color: var(--muted); }
#advanced select, #advanced input[type="range"] { flex: 1; min-width: 0; }
#advanced select {
  padding: 6px 8px; border-radius: 6px; background: #0e1119;
  color: var(--fg); border: 1px solid var(--border); font: inherit;
}
#advanced output { min-width: 3.5em; text-align: right; color: var(--fg); }
#advanced .note { margin: 0; color: var(--muted); font-size: 12px; }

/* --- VR-Hinweis ---------------------------------------------------------- */
/* Sitzt links, weil der Enter-VR-Knopf oben rechts steht. */
#vr-hint {
  position: fixed; top: 12px; right: 16px; z-index: 35;
  margin-top: 56px; max-width: 300px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; font-size: 13px; color: var(--muted);
}
#vr-hint strong { color: var(--fg); display: block; margin-bottom: 6px; }
#vr-hint ol { margin: 0; padding-left: 18px; }
#vr-hint li { margin: 3px 0; }

#advanced .estimate {
  margin: 2px 0; padding: 8px 10px; border-radius: 8px;
  background: rgba(110, 168, 255, 0.08);
  border: 1px solid rgba(110, 168, 255, 0.25);
  color: var(--fg); font-size: 13px;
}
#advanced .estimate b { color: var(--accent); }
#advanced .estimate.poor b { color: #ffcc66; }

/* --- Marble ------------------------------------------------------------- */
#marble-settings { display: flex; flex-direction: column; gap: 8px;
                   padding: 8px 10px; border-radius: 8px;
                   background: rgba(255, 255, 255, 0.04); }
#marble-settings input[type="password"] {
  flex: 1; min-width: 0; padding: 6px 8px; border-radius: 6px;
  background: #0e1119; color: var(--fg); border: 1px solid var(--border);
  font: inherit;
}
#marble-key-save {
  padding: 6px 12px; border-radius: 6px; cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); font: inherit; font-size: 13px;
}
#marble-key-save:hover { color: var(--fg); border-color: var(--accent); }
#marble-status.ok { color: #8fd18f; }
#marble-status.warn { color: #ffcc66; }