:root {
  color: #111;
  background: #f7f7f7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; }

button, input, textarea { font: inherit; }

.app { max-width: 1100px; margin: 0 auto; padding: 24px 20px 64px; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.brand { font-weight: 700; letter-spacing: 2px; font-size: 13px; }

.nav { display: flex; gap: 8px; margin: 18px 0; flex-wrap: wrap; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }

button, .tab {
  border: 0;
  background: #eee;
  color: #111;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}

button.primary, button.on {
  background: #111;
  color: #fff;
}

button.danger { background: #111; color: #fff; }

button:disabled { opacity: 0.4; cursor: default; }

.layout {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: 16px;
}

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
}

.card, .row {
  background: #fff;
  border-radius: 20px;
}

.card { padding: 16px; }

.row {
  width: 100%;
  text-align: left;
  border-radius: 16px;
  padding: 12px 14px;
  margin-bottom: 8px;
}

.row small, .muted { color: #6b6b6b; display: block; margin-top: 4px; font-size: 13px; }

label { display: block; margin: 12px 0 6px; font-size: 13px; color: #6b6b6b; }

input, textarea {
  width: 100%;
  border: 0;
  background: #f7f7f7;
  border-radius: 16px;
  padding: 12px 14px;
}

textarea { min-height: 80px; }

img.preview {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: #f7f7f7;
  border-radius: 16px;
  margin-top: 12px;
}

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.error { color: #d32f2f; }

h1 { font-size: 28px; margin: 8px 0; }

h2 { font-size: 18px; margin: 0 0 8px; }

.login { max-width: 420px; }