:root {
  --bg: #f3f6f4;
  --surface: #ffffff;
  --text: #142022;
  --muted: #4c5b5f;
  --brand: #0d6b57;
  --brand-2: #0b3f60;
  --danger: #9c1c1c;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, #d7f2eb 0%, transparent 35%),
    radial-gradient(circle at 90% 0%, #d8e8f7 0%, transparent 35%),
    var(--bg);
}

.site-header {
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  color: #fff;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-header h1 {
  margin: 0;
  font-size: 1.4rem;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.site-logo {
  display: block;
  width: 48px;
  height: 48px;
  max-width: 48px;
  flex: 0 0 48px;
  object-fit: contain;
  border-radius: 8px;
  background: transparent;
  padding: 0;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.container {
  width: min(980px, 92vw);
  margin: 1.5rem auto;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.narrow {
  width: min(560px, 92vw);
}

.card {
  border: 1px solid #dce7e2;
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
}

a.button,
button {
  display: inline-block;
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}

a.button.secondary {
  background: var(--brand-2);
}

input,
textarea,
select {
  width: 100%;
  margin-top: 0.3rem;
  margin-bottom: 0.9rem;
  padding: 0.55rem;
  border: 1px solid #cfd8d4;
  border-radius: 8px;
}

label {
  font-weight: 600;
}

.alert {
  padding: 0.7rem;
  border-radius: 10px;
  background: #fbe7e7;
  color: #6d1919;
}

.inline-form {
  display: inline-block;
  margin-left: 0.6rem;
}

.danger {
  background: var(--danger);
}

@media (max-width: 700px) {
  .site-header {
    align-items: flex-start;
  }

  nav {
    width: 100%;
  }
}