:root {
  --bg: #121212;
  --surface: #1e1e1e;
  --text: #e8e8e8;
  --muted: #9a9a9a;
  --accent: #4da3ff;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  text-align: center;
}

#header {
  font-size: 2.5rem;
  font-weight: 600;
  outline: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

#header:hover,
#header:focus {
  border-bottom-color: var(--accent);
  cursor: text;
}

#main-image {
  max-width: min(90vw, 800px);
  max-height: 70vh;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

#image-placeholder {
  width: min(90vw, 600px);
  padding: 4rem 2rem;
  background: var(--surface);
  border: 2px dashed var(--muted);
  border-radius: 12px;
  color: var(--muted);
  line-height: 1.8;
}

#image-placeholder code {
  color: var(--accent);
}