:root {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --line: #d7dbe2;
  --text: #111827;
  --muted: #6b7280;
  --accent: #0f7a6c;
  --accent-strong: #0a5a50;
  --danger: #a03e31;
  --shadow: 0 18px 40px rgba(16, 24, 40, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f6f7f9, #eef1f5);
  color: var(--text);
}
.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 20px;
}
.hidden { display: none !important; }
.auth-card, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.topbar {
  background: linear-gradient(135deg, #0f7a6c, #0a5a50);
  color: white;
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.topbar .muted-light { color: rgba(255,255,255,0.82); }
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.eyebrow {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--muted);
}
.topbar .eyebrow { color: rgba(255,255,255,0.85); }
h1, h2 { margin: 0; }
.muted { color: var(--muted); }
.form-grid { display: grid; gap: 16px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
input, select {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font: inherit;
}
.role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.role-chip {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  gap: 8px;
  align-items: center;
  background: #f8fafb;
}
.button {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  background: var(--accent);
  color: white;
  cursor: pointer;
}
.button.ghost {
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
}
.panel .button.ghost {
  background: #eef2f3;
  border: 1px solid var(--line);
  color: var(--text);
}
.button.danger { background: var(--danger); }
.message {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(15, 122, 108, 0.08);
}
.message.error {
  background: rgba(160, 62, 49, 0.14);
  color: var(--danger);
}
.panel-header, .toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.table-wrap { overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.action-row { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  display: inline-block;
  padding: 4px 10px;
  background: #eef2f3;
  border-radius: 999px;
  margin-right: 6px;
  margin-bottom: 6px;
}
@media (max-width: 840px) {
  .split { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
}