:root {
  --emerald: #0E7C66;
  --deep-teal: #0B5D51;
  --gold: #C9A24B;
  --bg: #F7F5EF;
  --surface: #FFFFFF;
  --text: #1A1F1D;
  --border: #E4E0D6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--deep-teal);
  color: #fff;
  padding: 24px 0;
  flex-shrink: 0;
}

.sidebar h1 {
  font-size: 16px;
  padding: 0 20px 16px;
  margin: 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.sidebar nav { display: flex; flex-direction: column; margin-top: 12px; }

.sidebar a {
  color: #EAF1EE;
  text-decoration: none;
  padding: 10px 20px;
  font-size: 14px;
}

.sidebar a:hover, .sidebar a.active { background: var(--emerald); }

.content { flex: 1; padding: 28px 32px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

.btn {
  display: inline-block;
  background: var(--emerald);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
}

.btn:hover { background: var(--deep-teal); }

input[type=text], input[type=password], textarea, select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 12px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); font-size: 14px; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(14,124,102,.12);
  color: var(--deep-teal);
}

.error { color: #B3261E; font-size: 14px; margin-bottom: 12px; }
.stub-note {
  background: rgba(201,162,75,.12);
  border: 1px solid var(--gold);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--deep-teal);
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card { width: 320px; }