:root {
  --bg: #f6f6f4;
  --fg: #1a1a1a;
  --muted: #4a4a4a;
  --accent: #1d4ed8;
  --error-bg: #fde8e8;
  --error-fg: #7a1010;
  --border: #8a8a8a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

h1 { font-size: 1.75rem; margin: 0 0 1.5rem; }

.field { margin-bottom: 1.25rem; }

label { display: block; font-weight: 600; margin-bottom: 0.35rem; }

input[type="text"],
input[type="file"] {
  width: 100%;
  font: inherit;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  background: #fff;
  color: var(--fg);
}

button,
.button {
  display: inline-block;
  min-width: 3rem;
  min-height: 2.75rem;
  padding: 0.6rem 1.25rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 0.25rem;
  text-decoration: none;
  cursor: pointer;
}

a { color: var(--accent); }

:focus-visible {
  outline: 3px solid #000;
  outline-offset: 2px;
}

.error {
  background: var(--error-bg);
  color: var(--error-fg);
  border-left: 4px solid var(--error-fg);
  padding: 0.75rem 1rem;
  margin: 0 0 1.5rem;
}

.hint { color: var(--muted); font-size: 0.95rem; }

figure { margin: 0 0 1.5rem; }

figure img { max-width: 100%; height: auto; display: block; }

.actions { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }