:root {
      --bg: #f1f5f9;
      --card: #ffffff;
      --line: #dbe3ef;
      --ink: #0f172a;
      --muted: #475569;
      --danger-bg: #fee2e2;
      --danger-ink: #b91c1c;
      --ok-bg: #dcfce7;
      --ok-ink: #166534;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: "Manrope", "Segoe UI", Arial, sans-serif;
      background: radial-gradient(circle at top left, #dbeafe 0%, transparent 32%), var(--bg);
      color: var(--ink);
    }

    .page {
      max-width: 520px;
      margin: 34px auto;
      padding: 0 18px;
    }

    .card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 16px 35px rgba(15, 23, 42, 0.08);
    }

    h1 {
      margin: 0 0 8px;
      font-size: 32px;
      letter-spacing: -0.02em;
    }

    .subtitle {
      margin: 0 0 20px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .password-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }

    .password-head a {
      text-decoration: none;
      color: #0f766e;
      font-size: 12px;
      font-weight: 700;
    }

    .password-head a:hover {
      text-decoration: underline;
    }

    .alert {
      border-radius: 10px;
      padding: 10px 12px;
      font-size: 14px;
      margin-bottom: 14px;
    }

    .alert-error {
      background: var(--danger-bg);
      color: var(--danger-ink);
      border: 1px solid #fecaca;
    }

    .alert-ok {
      background: var(--ok-bg);
      color: var(--ok-ink);
      border: 1px solid #bbf7d0;
    }

    .field {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-bottom: 14px;
    }

    .field label {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.02em;
      font-weight: 700;
      color: #334155;
    }

    .field input {
      border: 1px solid #cbd5e1;
      border-radius: 10px;
      padding: 11px 12px;
      font-size: 14px;
      color: #0f172a;
      background: #fff;
    }

    .field input:focus {
      outline: none;
      border-color: #0f766e;
      box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.16);
    }

    .actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 18px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      border: 1px solid #cbd5e1;
      background: #fff;
      color: #1e293b;
      text-decoration: none;
      font-size: 14px;
      font-weight: 700;
      min-height: 42px;
      padding: 0 16px;
      cursor: pointer;
    }

    .btn-primary {
      background: #0f766e;
      border-color: #0f766e;
      color: #fff;
      box-shadow: 0 8px 22px rgba(15, 118, 110, 0.22);
    }

    .btn-primary:hover {
      background: #0b5f59;
      border-color: #0b5f59;
    }