:root {
  --bg: #f7f7f4;
  --surface: #fff;
  --line: #d8ddd4;
  --text: #20231f;
  --muted: #667064;
  --accent: #60745f;
  --shadow: 0 18px 40px rgba(31, 37, 29, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

.portal-shell {
  max-width: 1040px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 34px 24px;
}

.portal-header h1 {
  margin: 0;
  font-size: 32px;
}

.portal-header p {
  margin: 8px 0 0;
  color: var(--muted);
}

.portal-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.logout-link {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 11px 14px;
  text-decoration: none;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.portal-card {
  display: grid;
  gap: 8px;
  min-height: 132px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 22px;
  color: inherit;
  text-decoration: none;
}

.portal-card:hover {
  border-color: var(--accent);
}

.portal-card strong {
  font-size: 20px;
}

.portal-card span {
  color: var(--muted);
  line-height: 1.45;
}

.login-shell {
  display: grid;
  place-items: center;
}

.login-card {
  width: min(420px, 100%);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 24px;
}

.login-card h1 {
  margin: 0;
}

.login-card p {
  margin: 8px 0 18px;
  color: var(--muted);
}

.login-card label span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 13px;
}

.login-card input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  padding: 0 12px;
}

.login-card label + label {
  display: block;
  margin-top: 12px;
}

.login-card button {
  width: 100%;
  height: 44px;
  margin-top: 12px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.login-error {
  margin-top: 14px;
  color: #9a4b41;
}

@media (max-width: 720px) {
  .portal-shell {
    padding: 22px 18px;
  }

  .portal-grid {
    grid-template-columns: 1fr;
  }

  .portal-header-row {
    display: block;
  }

  .logout-link {
    display: inline-block;
    margin-top: 16px;
  }
}