:root {
  --bg: #0f172a;
  --panel: rgba(17, 24, 39, 0.85);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --border: rgba(255, 255, 255, 0.1);
  --building: #9ca3af;
  --road: #52525b;
  --water: #60a5fa;
  --grass: #34d399;
  --selected: #ef4444;
  --primary-grad: linear-gradient(135deg, #0ea5e9, #2563eb);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* Page Layout */
.page {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease-in-out; /* Default transition */
  z-index: 0;
  display: flex;
  flex-direction: column;
}

.page.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 10;
}

/* Fade Transitions */
.page.fading-out {
  opacity: 0 !important;
  pointer-events: none;
  transition: opacity 1.0s ease-in-out;
  z-index: 20; /* Keep it above initially */
}

.page.fading-in {
  opacity: 1 !important;
  pointer-events: auto;
  z-index: 10;
  transition: opacity 1.0s ease-in-out;
}

#map, #viewer {
  width: 100%;
  height: 100%;
  background: #0f172a;
}

/* Viewfinder */
.viewfinder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 9999px rgba(15, 23, 42, 0.6); /* Dim surroundings */
  pointer-events: none; /* Allow map interaction */
  z-index: 500;
  transition: all 0.3s ease;
  max-width: 90vw;
  max-height: 80vh;
}

/* 245:345 Ratio (~0.71) Portrait */
.viewfinder.rect-245-345 {
  width: 50vmin;
  aspect-ratio: 245 / 345;
}

/* 345:245 Ratio (~1.41) Landscape */
.viewfinder.rect-345-245 {
  width: 50vmin;
  aspect-ratio: 345 / 245;
}

/* Square */
.viewfinder.square {
  width: 50vmin;
  aspect-ratio: 1 / 1;
}

/* Circle */
.viewfinder.circle {
  width: 50vmin;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
}

/* Crosshair center marker */
.viewfinder::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.5;
}


/* Overlays */
.overlay-panel {
  position: absolute;
  background: var(--panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  max-width: 90%;
  transition: opacity 0.5s ease;
}

/* Hide panels during fade if needed, usually we keep them */
.page.fading-out .overlay-panel {
    opacity: 0;
}

.top-left {
  top: 1.5rem;
  left: 1.5rem;
}

.bottom-center {
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  min-width: 320px;
}

.controls-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  width: 100%;
}

.bottom-right {
  bottom: 2rem;
  right: 1.5rem;
}

/* Shape Selectors */
.shape-selector {
  display: flex;
  gap: 0.5rem;
  background: rgba(0,0,0,0.2);
  padding: 0.25rem;
  border-radius: 8px;
  align-items: center;
}

.shape-group {
    display: flex;
    gap: 0.2rem;
    background: rgba(255,255,255,0.05);
    padding: 0.2rem;
    border-radius: 6px;
}

.shape-btn {
  padding: 0.5rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  border-radius: 6px;
}

.shape-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

.shape-btn.active {
  background: rgba(255,255,255,0.1);
  color: var(--accent);
  border-color: rgba(255,255,255,0.1);
}

.shape-btn.sub-btn {
    padding: 0.3rem;
}

/* Typography */
h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-text {
  font-size: 0.9rem;
  color: var(--accent);
}

/* Controls */
.controls-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  width: 100%;
}

button {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

button:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

button.primary {
  background: var(--primary-grad);
  border: none;
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

button.primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(1);
}

button.secondary {
  background: transparent;
  border-color: rgba(255,255,255,0.2);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text);
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background-color: #374151;
  border-radius: 20px;
  transition: .4s;
}
.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  border-radius: 50%;
  transition: .4s;
}
input:checked + .slider {
  background-color: var(--accent);
}
input:checked + .slider:before {
  transform: translateX(16px);
}

/* Progress Bar */
.progress {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s;
}

.progress.active {
  opacity: 1;
}

.progress .bar {
  height: 100%;
  width: 0%;
  background: var(--primary-grad);
  transition: width 0.3s ease;
}

/* Legend */
.legend {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.legend div {
  display: flex;
  align-items: center;
}

.legend .color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 0.5rem;
}

.legend .building { background: var(--building); }
.legend .road { background: var(--road); }
.legend .water { background: var(--water); }
.legend .grass { background: var(--grass); }
.legend .selected { background: var(--selected); }