/* ==========================================================================
   TV & Tablet Display Mode — Global Shipping & Logistics GmbH
   Schlankes, dezentes UI mit Fokus auf den 3D-Globus, Seewege und QR-Codes
   ========================================================================== */

:root {
  --hud-bg: rgba(0, 38, 61, 0.78);
  --hud-bg-hover: rgba(0, 50, 83, 0.9);
  --hud-border: rgba(255, 255, 255, 0.15);
  --hud-text: #FFFFFF;
  --hud-muted: rgba(255, 255, 255, 0.65);
  --accent-cyan: #00FFCC;
  --accent-blue: #38BDF8;
  --accent-rot: #C74648;
  --radius-pill: 9999px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-hud: 0 8px 30px rgba(0, 15, 25, 0.45);
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #000811;
  color: #fff;
  font-family: 'DM Sans', 'Inter', system-ui, sans-serif;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

/* Three.js Canvas Container */
#webgl-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  touch-action: none;
}

/* Background Cosmic Atmosphere */
.space-background {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 40%, #001f33 0%, #00101c 50%, #00060b 100%);
  z-index: 0;
  pointer-events: none;
}

/* HUD Overlay Layer */
.display-hud {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: max(1.1rem, env(safe-area-inset-top)) max(1.4rem, env(safe-area-inset-right)) max(1.1rem, env(safe-area-inset-bottom)) max(1.4rem, env(safe-area-inset-left));
  box-sizing: border-box;
}

/* ==========================================================================
   Top Bar: Sleek Brand Header & Compact Route Switcher
   ========================================================================== */
.hud-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  width: 100%;
  flex-wrap: wrap;
}

.brand-pill {
  pointer-events: auto;
  background: var(--hud-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hud-border);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-hud);
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-logo-svg {
  height: 28px;
  width: auto;
  display: block;
}

.brand-divider {
  width: 1px;
  height: 22px;
  background: rgba(255, 255, 255, 0.2);
}

.brand-meta {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.brand-meta-person {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  letter-spacing: -0.01em;
}

.brand-meta-sub {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Actions & Route Controls */
.hud-top-actions {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.hud-btn {
  background: var(--hud-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hud-border);
  color: #fff;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: var(--shadow-hud);
  transition: all 0.2s ease;
  outline: none;
}

.hud-btn:hover {
  background: var(--hud-bg-hover);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

.hud-btn:active {
  transform: translateY(1px);
}

.hud-btn--active {
  background: #003e66;
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(0, 255, 204, 0.25);
}

.hud-btn--tour {
  background: rgba(0, 60, 95, 0.8);
  border-color: rgba(255, 255, 255, 0.25);
}

.hud-btn--tour.active {
  background: rgba(0, 255, 204, 0.18);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.lang-switch {
  display: inline-flex;
  padding: 2px;
  background: rgba(0, 25, 40, 0.7);
  border-radius: var(--radius-pill);
  border: 1px solid var(--hud-border);
}

.lang-opt {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--hud-muted);
  transition: all 0.2s;
}

.lang-opt.active {
  background: #00385c;
  color: #fff;
}

/* ==========================================================================
   Bottom Area: Minimal 1-Line Status Pill & Compact QR Dock
   ========================================================================== */
.hud-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  width: 100%;
}

/* Sleek Minimal 1-Line Route Indicator */
.route-pill {
  pointer-events: auto;
  background: var(--hud-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hud-border);
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-hud);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.92);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  max-width: 38rem;
  animation: fadeIn 0.3s ease;
}

.route-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulseDot 2s infinite;
  flex-shrink: 0;
}

.route-pill-title {
  font-weight: 700;
  color: #fff;
}

.route-pill-sub {
  color: var(--hud-muted);
  font-size: 0.8rem;
}

/* ==========================================================================
   Pure Minimal QR Dock (Bottom Right)
   ========================================================================== */
.qr-dock {
  pointer-events: auto;
  background: var(--hud-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--hud-border);
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  box-shadow: var(--shadow-hud);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.qr-dock:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.3rem;
}

.qr-box {
  background: #ffffff;
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
}

.qr-box:hover {
  transform: scale(1.04);
}

.qr-image {
  width: 76px;
  height: 76px;
  display: block;
}

.qr-lbl {
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.qr-dock-divider {
  width: 1px;
  height: 78px;
  background: rgba(255, 255, 255, 0.15);
}

/* Port Tooltip / Raycasting */
.port-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(0, 38, 61, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--accent-cyan);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  color: #fff;
  font-size: 0.8rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  z-index: 20;
  transform: translate(-50%, -125%);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.port-tooltip.visible {
  opacity: 1;
}

/* TV & Large Display Optimizations (10-foot UI) */
@media (min-width: 1600px) {
  .brand-meta-person { font-size: 1.1rem; }
  .brand-logo-svg { height: 32px; }
  .qr-image { width: 90px; height: 90px; }
  .qr-lbl { font-size: 0.8rem; }
  .hud-btn { padding: 0.6rem 1.15rem; font-size: 0.92rem; }
  .route-pill { font-size: 0.95rem; padding: 0.65rem 1.35rem; }
}

/* Tablet & Smaller Screens */
@media (max-width: 1024px) {
  .hud-bottom {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 0.6rem;
  }
  .qr-dock {
    align-self: flex-end;
  }
  .route-pill {
    max-width: 100%;
    font-size: 0.78rem;
  }
  .qr-image {
    width: 68px;
    height: 68px;
  }
}

/* Animations */
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}