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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #1a1a2e;
  color: #e0e0e0;
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  text-align: center;
}

h1 {
  margin-bottom: 2rem;
  font-size: 1.8rem;
  color: #fff;
}

/* Beta disclaimer */
.beta-disclaimer {
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 1rem;
}

/* Upload zone */
.upload-zone {
  border: 2px dashed #555;
  border-radius: 12px;
  padding: 3rem 2rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: #7c8cf8;
  background: rgba(124, 140, 248, 0.08);
}

.upload-zone.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.upload-icon {
  font-size: 2.5rem;
  color: #7c8cf8;
  margin-bottom: 0.5rem;
}

.upload-hint {
  font-size: 0.85rem;
  color: #888;
  margin-top: 0.5rem;
}

/* Loading */
.loading {
  padding: 3rem;
}

.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 1rem;
  border: 3px solid #333;
  border-top-color: #7c8cf8;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Error */
.error-box {
  background: rgba(255, 80, 80, 0.15);
  border: 1px solid #ff5050;
  border-radius: 8px;
  padding: 1.5rem;
}

.error-box p {
  margin-bottom: 1rem;
  color: #ff8080;
}

/* Results */
.results h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #fff;
}

.view-toggle {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.view-toggle button {
  padding: 0.4rem 1rem;
  border: 1px solid #555;
  border-radius: 6px;
  background: transparent;
  color: #ccc;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s, border-color 0.2s;
}

.view-toggle button.active {
  background: #7c8cf8;
  border-color: #7c8cf8;
  color: #fff;
}

.result-image {
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.detection-list {
  text-align: left;
  margin-bottom: 1rem;
}

.toggle-list {
  background: transparent;
  border: none;
  color: #7c8cf8;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.3rem 0;
}

.detection-list ul {
  list-style: none;
  max-height: 200px;
  overflow-y: auto;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: monospace;
}

.detection-list li {
  padding: 0.2rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Buttons */
button {
  cursor: pointer;
}

.reset-btn {
  padding: 0.6rem 1.5rem;
  border: 1px solid #555;
  border-radius: 6px;
  background: transparent;
  color: #ccc;
  font-size: 0.95rem;
  transition: background 0.2s;
}

.reset-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Mode toggle */
.mode-toggle {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.mode-toggle button {
  padding: 0.5rem 1.2rem;
  border: 1px solid #555;
  border-radius: 6px;
  background: transparent;
  color: #ccc;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s;
}

.mode-toggle button.active {
  background: #7c8cf8;
  border-color: #7c8cf8;
  color: #fff;
}

/* Occupancy stats */
.occupancy-stats {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  min-width: 100px;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}

.stat-label {
  font-size: 0.8rem;
  color: #999;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}