:root {
  --bg: #1c0f18;
  --bg-alt: #2b1524;
  --text: #f3e9e4;
  --text-dim: #cbb8bd;
  --accent: #d9a98a;
  --border: rgba(217, 169, 138, 0.25);
  --danger: #e6a3a3;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

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

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

.auth-brand {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 12px;
}

.auth-card h1 {
  font-size: 1.4rem;
  margin: 0 0 16px;
  font-weight: 500;
}

.auth-hint {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0 0 20px;
}

form label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 14px 0 6px;
}

form input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

form button {
  width: 100%;
  margin-top: 22px;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

.alert {
  background: rgba(230, 163, 163, 0.12);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin: 0 0 4px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
}

.topbar-brand {
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--accent);
}

.topbar-brand-link {
  text-decoration: none;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  text-decoration: none;
}

.dashboard {
  padding: 32px 28px;
}

.dashboard h1 {
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0 0 24px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.system-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.system-card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.system-card h3 {
  margin: 8px 0 6px;
  font-size: 1.1rem;
  font-weight: 500;
}

.system-card p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0 0 14px;
  line-height: 1.5;
}

.system-card-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.system-card-link:hover {
  text-decoration: underline;
}