:root {
  --bg: #f5f3ee;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --primary: #176087;
  --primary-dark: #0f4663;
  --danger: #8f1d1d;
  --border: #ddd3c4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #e3efe6 0, var(--bg) 45%);
}

.wrapper {
  max-width: 980px;
  margin: 2rem auto;
  padding: 0 1rem 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}

h1, h2 {
  margin: 0 0 0.75rem;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

form {
  display: grid;
  gap: 0.75rem;
}

input {
  width: 100%;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}

button {
  border: 0;
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

button:hover {
  background: var(--primary-dark);
}

button.secondary {
  background: #6f7f88;
}

.alert {
  margin-bottom: 1rem;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
}

.alert.ok {
  background: #d7f2dd;
  color: #1f5c2d;
}

.alert.error {
  background: #f8dddd;
  color: var(--danger);
}

.list {
  display: grid;
  gap: 0.75rem;
}

.item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
  background: #fff;
}

.muted {
  color: var(--muted);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.preview {
  margin-top: 0.75rem;
  width: min(100%, 440px);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.inline-form {
  display: inline;
}

.actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

@media (max-width: 680px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}