:root {
  --teal: #0f6e6e;
  --teal-dark: #0a5252;
  --slate: #334155;
  --bg: #f5f8f8;
  --line: #d8e3e3;
  --white: #ffffff;
  --danger: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--slate);
  background: var(--bg);
  line-height: 1.5;
}
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.5rem; background: var(--white);
  border-bottom: 3px solid var(--teal);
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.logo { height: 40px; width: 40px; }
.company-name { font-size: 1.3rem; font-weight: 700; color: var(--teal-dark); }
.logout-form { margin: 0; }
.logout-link {
  background: none; border: 1px solid var(--teal); color: var(--teal);
  padding: 0.35rem 0.9rem; border-radius: 6px; cursor: pointer; font-size: 0.95rem;
}
.logout-link:hover { background: var(--teal); color: var(--white); }
.main-nav {
  display: flex; gap: 1.25rem; padding: 0.6rem 1.5rem;
  background: var(--teal);
}
.main-nav a { color: var(--white); text-decoration: none; font-weight: 600; }
.main-nav a:hover { text-decoration: underline; }
.content { max-width: 960px; margin: 1.5rem auto; padding: 0 1.5rem; }
.site-footer {
  text-align: center; padding: 1rem; color: #64748b;
  border-top: 1px solid var(--line); margin-top: 3rem;
}
.card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: 10px; padding: 1.5rem; margin-bottom: 1.5rem;
}
.auth-card { max-width: 380px; margin: 3rem auto; }
.hero { display: flex; gap: 2rem; align-items: center; flex-wrap: wrap; }
.hero-text { flex: 1 1 320px; }
.hero-image { flex: 1 1 280px; max-width: 380px; width: 100%; }
h1 { color: var(--teal-dark); }
table { width: 100%; border-collapse: collapse; background: var(--white); }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); }
th { background: #eef5f5; color: var(--teal-dark); }
tr:hover td { background: #f0f7f7; }
a { color: var(--teal); }
.btn, button.btn {
  display: inline-block; background: var(--teal); color: var(--white);
  padding: 0.5rem 1rem; border: none; border-radius: 6px;
  text-decoration: none; cursor: pointer; font-size: 0.95rem;
}
.btn:hover { background: var(--teal-dark); }
.btn-secondary { background: #64748b; }
.btn-danger { background: var(--danger); }
.actions { display: flex; gap: 0.75rem; margin: 1rem 0; flex-wrap: wrap; }
form p { margin: 0.6rem 0; }
label { font-weight: 600; display: block; margin-bottom: 0.2rem; }
input, textarea, select {
  width: 100%; padding: 0.45rem; border: 1px solid var(--line);
  border-radius: 6px; font: inherit;
}
.messages { list-style: none; padding: 0; }
.messages .msg {
  padding: 0.6rem 1rem; border-radius: 6px; margin-bottom: 0.5rem;
  background: #e6f4f4; border: 1px solid var(--teal);
}
.messages .error { background: #fbe9e7; border-color: var(--danger); color: var(--danger); }
.error { color: var(--danger); }
dl.detail { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1.2rem; }
dl.detail dt { font-weight: 700; color: var(--teal-dark); }
dl.detail dd { margin: 0; }
.doc-link { font-size: 1.4rem; text-decoration: none; }