/* Viewport Layout & Floating Spatial Header Elements (NO Full-Width White Strip Bar!) */
#app-viewport {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: #f8fafc;
}

/* Map Canvas Container */
#map-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--ab-z-map);
  transition: filter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

#map-canvas.map-blurred {
  filter: blur(8px) brightness(0.95);
}

/* =========================================================
   FLOATING SPATIAL HEADER (NO WHITE STRIP BACKGROUND AT ALL!)
   ========================================================= */
.app-header {
  position: fixed;
  top: 18px;
  left: 24px;
  right: 24px;
  height: 48px;
  z-index: var(--ab-z-controls);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  box-shadow: none;
  pointer-events: none; /* Passes click through transparent gaps to map */
}

/* Left: Floating Circular Logo Avatar Pill */
.header-brand-avatar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ab-glass-bg);
  backdrop-filter: var(--ab-glass-blur);
  -webkit-backdrop-filter: var(--ab-glass-blur);
  border: 1.5px solid var(--ab-brand-gold);
  box-shadow: var(--ab-glass-shadow), 0 4px 14px rgba(217, 119, 6, 0.25);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 4px;
}

.header-brand-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.header-brand-avatar:hover {
  transform: scale(1.1) rotate(3deg);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.45);
}

/* Center: Floating Brand Logo Glass Pill */
.header-center-pill {
  pointer-events: auto;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 22px;
  border-radius: var(--ab-radius-pill);
  background: var(--ab-glass-bg);
  backdrop-filter: var(--ab-glass-blur);
  -webkit-backdrop-filter: var(--ab-glass-blur);
  border: 1px solid var(--ab-glass-border);
  box-shadow: var(--ab-glass-shadow);
}

.header-center-pill img {
  max-height: 34px;
  width: auto;
  object-fit: contain;
}

/* Right: Floating CTA Button (+ Submit Your Property) */
.header-actions {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--ab-radius-pill);
  background: linear-gradient(135deg, #064e3b 0%, #047857 100%);
  color: #ffffff;
  font-family: var(--ab-font-sans);
  font-size: var(--ab-text-xs);
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: all 0.25s ease;
  box-shadow: 0 6px 18px rgba(6, 78, 59, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-header-cta:hover {
  background: linear-gradient(135deg, #047857 0%, #059669 100%);
  transform: translateY(-1.5px) scale(1.02);
  box-shadow: 0 8px 24px rgba(6, 78, 59, 0.45);
}