:root {
  --tv-panel-bg: rgba(4, 16, 20, 0.92);
  --tv-border: rgba(0, 255, 255, 0.35);
  --tv-glow: 0 0 14px rgba(0, 255, 255, 0.2), inset 0 0 10px rgba(0, 255, 255, 0.05);
  --tv-text: #e7fdff;
  --tv-muted: #7ad7e4;
  --tv-good: #1cffb9;
  --tv-bad: #ff7070;
}

#tilevalidation-mount {
  position: absolute;
  left: 24px;
  top: 96px;
  right: auto;
  bottom: auto;
  z-index: 28;
  width: clamp(220px, 20vw, 260px);
  display: none;
  pointer-events: none;
}

#tilevalidation-mount .hud-panel {
  height: auto;
  overflow: visible;
}

.tilevalidation-panel {
  box-sizing: border-box;
  width: 100%;
  min-height: 0;
  padding: 14px 16px 12px;
  border: 1px solid var(--tv-border);
  border-radius: 16px;
  background: var(--tv-panel-bg);
  box-shadow: var(--tv-glow);
  backdrop-filter: blur(4px);
  color: var(--tv-text);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  pointer-events: auto;
}

.tilevalidation-title {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9ffaff;
}

.tilevalidation-subtitle {
  margin: 4px 0 10px;
  font-size: 12px;
  color: var(--tv-muted);
}

.tilevalidation-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tilevalidation-item {
  position: relative;
  padding: 8px 10px 8px 24px;
  border-radius: 10px;
  background: rgba(0, 255, 255, 0.03);
  border: 1px solid rgba(0, 255, 255, 0.08);
  color: var(--tv-text);
  font-size: 13px;
  transition: border-color 0.2s ease, color 0.2s ease;
  min-height: 36px;
  display: flex;
  align-items: center;
}

.tilevalidation-item::before {
  content: "•";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: var(--tv-muted);
}

.tilevalidation-item.valid {
  border-color: rgba(34, 255, 193, 0.6);
  background: rgba(34, 255, 193, 0.08);
  color: var(--tv-good);
}

.tilevalidation-item.valid::before {
  content: "✔";
  color: var(--tv-good);
}

.tilevalidation-item.invalid {
  border-color: rgba(255, 112, 112, 0.5);
  background: rgba(255, 80, 80, 0.08);
  color: var(--tv-bad);
}

.tilevalidation-item.invalid::before {
  content: "⚠";
  color: var(--tv-bad);
}

@media (max-width: 800px) {
  #tilevalidation-mount {
    left: 12px;
    top: 120px;
    width: min(320px, calc(100vw - 24px));
  }
}