/* Sparbank AG – VR-Lernwelt LF02 – HUD / UI Styles */

:root {
  --spar-green: #4F9D2B;
  --spar-green-dark: #2D6B16;
  --spar-blue: #0E3B66;
  --spar-blue-light: #1E5A8C;
  --spar-orange: #C2410C;
  --bg-glass: rgba(14, 59, 102, 0.78);
  --bg-glass-dark: rgba(10, 30, 55, 0.85);
  --text: #F5F9FF;
  --text-muted: #B0C4DE;
  --warn: #FFB400;
  --danger: #DC2626;
  --ok: #4F9D2B;
}

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

html, body {
  width: 100%; height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0a1a2a;
  color: var(--text);
  overflow: hidden;
}

a-scene { display: block; }

/* HUD overlay */
#hud {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1000;
  font-size: 14px;
  letter-spacing: 0.02em;
}
#hud .panel { pointer-events: auto; }

#progress-bar {
  position: absolute;
  top: 16px; left: 50%; transform: translateX(-50%);
  background: var(--bg-glass-dark);
  padding: 10px 18px; border-radius: 26px;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.45);
}
#progress-bar .logo {
  width: 28px; height: 14px;
  background: linear-gradient(135deg, var(--spar-green), var(--spar-blue));
  border-radius: 3px;
}
#progress-bar .label { font-weight: 700; }
#progress-bar .pip {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.35);
  transition: all 0.25s;
}
#progress-bar .pip.active {
  background: var(--spar-green);
  box-shadow: 0 0 12px var(--spar-green);
}
#progress-bar .pip.done {
  background: var(--spar-green-dark);
}

#audio-toggle, #help-btn, #sources-btn, #mute-btn {
  position: absolute;
  pointer-events: auto;
  background: var(--bg-glass);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 18px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s, transform 0.1s;
}
#audio-toggle { top: 16px; right: 16px; }
#help-btn { top: 56px; right: 16px; }
#sources-btn { top: 96px; right: 16px; }
#mute-btn { top: 136px; right: 16px; }
#audio-toggle:hover, #help-btn:hover, #sources-btn:hover, #mute-btn:hover {
  background: var(--spar-blue-light);
  transform: scale(1.05);
}

#nav-buttons {
  position: absolute;
  bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 14px;
  pointer-events: auto;
}
#nav-buttons button {
  background: var(--bg-glass);
  color: var(--text);
  border: 2px solid var(--spar-green);
  padding: 12px 22px;
  border-radius: 26px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  letter-spacing: 0.03em;
}
#nav-buttons button:hover { background: var(--spar-green); transform: scale(1.05); }
#nav-buttons button:disabled { opacity: 0.4; cursor: not-allowed; }
#nav-buttons button.primary { background: var(--spar-green); color: white; }
#nav-buttons button.primary:hover { background: var(--spar-green-dark); }

#help-panel, #sources-panel {
  position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: var(--bg-glass-dark);
  padding: 24px 30px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.2);
  max-width: 540px; max-height: 80vh;
  overflow-y: auto;
  pointer-events: auto;
  display: none;
  box-shadow: 0 14px 40px rgba(0,0,0,0.55);
}
#help-panel.show, #sources-panel.show { display: block; }
#help-panel h2, #sources-panel h2 {
  margin-bottom: 14px; color: var(--spar-green);
  font-size: 20px;
}
#help-panel table, #sources-panel table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 13px;
}
#help-panel th, #help-panel td, #sources-panel th, #sources-panel td {
  border: 1px solid rgba(255,255,255,0.18);
  padding: 6px 10px;
  text-align: left;
}
#help-panel th, #sources-panel th {
  background: var(--spar-blue);
  color: var(--text);
}
#help-panel .close, #sources-panel .close {
  position: absolute;
  top: 8px; right: 14px;
  cursor: pointer;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-muted);
}
#help-panel .close:hover, #sources-panel .close:hover { color: var(--spar-green); }

#fade-overlay {
  position: absolute; inset: 0;
  background: black;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
#fade-overlay.active { opacity: 0.85; pointer-events: auto; }

#toast {
  position: absolute;
  bottom: 100px; left: 50%; transform: translateX(-50%);
  background: var(--bg-glass-dark);
  padding: 10px 18px;
  border-radius: 20px;
  border: 1px solid var(--spar-green);
  font-size: 14px;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
#toast.show { opacity: 1; }

/* Quiz & case UI in VR */
.vr-panel {
  background: var(--bg-glass-dark);
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text);
  font-family: 'Inter', sans-serif;
}
.vr-panel h3 {
  color: var(--spar-green);
  margin-bottom: 8px;
  font-size: 18px;
}
.vr-panel p { font-size: 13px; line-height: 1.5; }
.vr-btn {
  background: var(--spar-blue-light);
  color: var(--text);
  border: none;
  padding: 10px 14px;
  border-radius: 18px;
  margin: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
}
.vr-btn.correct { background: var(--ok); }
.vr-btn.wrong { background: var(--danger); }
.vr-btn:hover { transform: scale(1.04); }

#certificate {
  position: fixed; inset: 0;
  background: linear-gradient(135deg, #f7f3e9, #e8e0c8);
  color: #1a1a1a;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 40px;
}
#certificate.show { display: flex; }
#certificate .cert {
  max-width: 760px;
  background: white;
  padding: 60px 50px;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
  border: 8px solid var(--spar-green);
  text-align: center;
}
#certificate h1 {
  font-family: 'Georgia', serif;
  color: var(--spar-blue);
  font-size: 38px;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
#certificate .sub {
  font-size: 18px;
  color: var(--spar-green-dark);
  margin-bottom: 30px;
  font-weight: 600;
}
#certificate hr {
  border: none;
  height: 2px;
  background: var(--spar-green);
  margin: 20px 0;
}
#certificate .body {
  font-size: 16px;
  line-height: 1.7;
  color: #333;
  margin-bottom: 30px;
}
#certificate .name {
  font-family: 'Georgia', serif;
  font-size: 30px;
  margin: 16px 0;
  color: var(--spar-blue);
}
#certificate .seal {
  display: inline-block;
  width: 90px; height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--spar-green) 50%, var(--spar-green-dark) 100%);
  color: white;
  font-weight: 800;
  font-size: 12px;
  line-height: 1.2;
  padding-top: 32px;
  margin: 20px auto 0;
  box-shadow: inset 0 0 0 3px white, 0 6px 16px rgba(0,0,0,0.25);
}
#certificate .footer {
  margin-top: 30px;
  font-size: 13px;
  color: #555;
}
#certificate .actions {
  margin-top: 20px;
}
#certificate .actions button {
  background: var(--spar-blue);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: 22px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  margin: 6px;
}
#certificate .actions button:hover { background: var(--spar-blue-light); }

/* Splash loading */
#splash {
  position: fixed; inset: 0;
  background: linear-gradient(135deg, var(--spar-blue), var(--spar-blue-light));
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  z-index: 99999;
  text-align: center;
  padding: 20px;
}
#splash .logo-big {
  width: 320px; max-width: 80%;
  margin-bottom: 24px;
}
#splash h1 { font-size: 26px; color: white; margin-bottom: 8px; }
#splash p { color: rgba(255,255,255,0.85); margin-bottom: 24px; }
#splash .spinner {
  width: 40px; height: 40px;
  border: 4px solid rgba(255,255,255,0.3);
  border-top-color: var(--spar-green);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#splash.hidden { display: none; }