/* ── Login section layout ──────────────────────────────────────── */
    .login-section {
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: var(--bg);
      padding:
        calc(var(--nav-height) + var(--space-xl))
        var(--container-pad)
        var(--space-2xl);
    }

    .login-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-2xl);
      width: 100%;
      max-width: 1100px;
      margin: 0 auto;
      align-items: center;
    }

    /* ── Left: brand block ─────────────────────────────────────────── */
    .login-brand {
      min-width: 0;
    }

    .login-brand__label {
      font-family: var(--font-mono);
      font-size: var(--text-small);
      color: var(--green);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
      margin-bottom: var(--space-sm);
      display: block;
      line-height: 1.35;
    }

    .login-brand__title {
      font-family: var(--font-display);
      font-size: clamp(2.4rem, 4vw, 4.2rem);
      font-weight: var(--weight-light);
      color: var(--chalk);
      line-height: var(--leading-head);
      letter-spacing: var(--tracking-tight);
      margin-bottom: var(--space-md);
    }

    .login-brand__desc {
      font-family: var(--font-ui);
      font-size: var(--text-body);
      color: var(--fog);
      line-height: var(--leading-body);
      max-width: 42ch;
      margin-bottom: var(--space-xl);
    }

    .login-brand__divider {
      width: 48px;
      height: 3px;
      background: linear-gradient(90deg, var(--green-dark), var(--green));
      border-radius: 2px;
      margin-bottom: var(--space-xl);
    }

    .login-brand__features {
      list-style: none;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: var(--space-sm);
    }

    .login-brand__features li {
      font-family: var(--font-ui);
      font-size: var(--text-body);
      color: var(--silver);
      display: flex;
      align-items: baseline;
      gap: var(--space-sm);
    }

    .login-brand__features li::before {
      content: '→';
      color: var(--green);
      font-size: var(--text-small);
      flex-shrink: 0;
    }

    /* ── Right: form card ──────────────────────────────────────────── */
    .login-card {
      background: var(--surface-1);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card-hover);
      padding: var(--space-2xl);
      position: relative;
      overflow: hidden;
    }

    .login-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--green-dark), var(--green), var(--gold));
    }

    /* ── Form elements ─────────────────────────────────────────────── */
    .login-card__title {
      font-family: var(--font-display);
      font-size: clamp(1.6rem, 2.2vw, 2.2rem);
      font-weight: var(--weight-semi);
      color: var(--chalk);
      line-height: var(--leading-head);
      margin-bottom: var(--space-sm);
    }

    .login-card__sub {
      font-family: var(--font-ui);
      font-size: var(--text-small);
      color: var(--fog);
      margin-bottom: var(--space-xl);
    }

    .login-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: var(--space-md);
    }

    .login-label {
      font-family: var(--font-ui);
      font-size: var(--text-small);
      font-weight: var(--weight-med);
      color: var(--silver);
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .login-input {
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      color: var(--chalk);
      font-family: var(--font-ui);
      font-size: var(--text-body);
      padding: 0.8rem 1rem;
      width: 100%;
      min-height: 50px;
      transition: border-color 200ms ease, box-shadow 200ms ease;
      outline: none;
      box-sizing: border-box;
    }

    .login-input::placeholder {
      color: var(--ash);
    }

    .login-input:focus {
      border-color: var(--green);
      box-shadow: 0 0 0 3px rgba(31,164,99,0.15);
    }

    .login-input.invalid {
      border-color: #c0392b;
      box-shadow: 0 0 0 3px rgba(192,57,43,0.12);
    }

    /* ── Message banner ────────────────────────────────────────────── */
    .login-message {
      font-family: var(--font-ui);
      font-size: var(--text-small);
      border-radius: var(--radius-md);
      padding: var(--space-sm) var(--space-md);
      margin-bottom: var(--space-md);
      display: none;
      line-height: 1.5;
    }

    .login-message--success {
      display: block;
      background: rgba(31,164,99,0.1);
      border: 1px solid var(--green);
      color: var(--green-bright);
    }

    .login-message--error {
      display: block;
      background: rgba(192,57,43,0.08);
      border: 1px solid #c0392b;
      color: #e57373;
    }

    /* ── Footer row under form ─────────────────────────────────────── */
    .login-card__footer {
      margin-top: var(--space-lg);
      padding-top: var(--space-md);
      border-top: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: var(--space-sm);
    }

    .login-card__footer-text {
      font-family: var(--font-ui);
      font-size: var(--text-small);
      color: var(--fog);
    }

    .login-card__footer-link {
      color: var(--green);
      text-decoration: none;
      font-weight: var(--weight-med);
      transition: color 200ms ease;
    }

    .login-card__footer-link:hover {
      color: var(--green-bright);
    }

    .login-card__site-link {
      margin: var(--space-md) 0 0;
      text-align: center;
    }

    .login-card__admin {
      margin: var(--space-md) 0 0;
      text-align: right;
    }

    .login-card__admin-link {
      font-family: var(--font-ui);
      font-size: var(--text-small);
      color: var(--fog);
      text-decoration: none;
      transition: color 200ms ease;
    }

    .login-card__admin-link:hover {
      color: var(--silver);
      text-decoration: underline;
    }

    /* ── Responsive ────────────────────────────────────────────────── */
    @media (max-width: 800px) {
      .login-section {
        padding:
          calc(var(--nav-height) + 1.5rem)
          var(--container-pad)
          var(--space-xl);
        align-items: flex-start;
      }

      .login-wrap {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
      }

      .login-brand {
        text-align: center;
      }

      .login-brand__desc,
      .login-brand__features {
        margin-inline: auto;
      }

      .login-brand__divider {
        margin-inline: auto;
      }

      .login-card {
        padding: 1.5rem;
      }
    }

    @media (max-width: 600px) {
      .login-section {
        padding:
          calc(var(--nav-height) + 1.25rem)
          var(--container-pad)
          2rem;
      }

      .login-brand__title {
        font-size: clamp(1.8rem, 9vw, 2.8rem);
        line-height: 1.05;
        margin-bottom: var(--space-sm);
      }

      .login-brand__desc {
        margin-bottom: var(--space-lg);
      }

      .login-brand__features {
        gap: 0.75rem;
      }

      .login-brand__features li {
        font-size: 0.95rem;
        text-align: left;
      }

      .login-card {
        padding: 1.25rem;
      }

      .login-card__sub {
        margin-bottom: var(--space-lg);
      }

      .login-field {
        gap: 0.5rem;
        margin-bottom: 1rem;
      }

      .login-input {
        font-size: 16px;
        min-height: 50px;
      }

      .login-card__footer {
        flex-direction: column;
        align-items: flex-start;
      }

      .login-card__admin {
        text-align: left;
      }
    }

    @media (max-width: 480px) {
      .login-brand__features {
        display: none;
      }

      .login-card__title {
        font-size: 1.5rem;
      }

      .login-message {
        padding: 0.75rem 0.9rem;
      }
    }