* {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      height: 100vh;
      font-family: "Segoe UI", Tahoma, sans-serif;
      background: linear-gradient(135deg, #0b5ed7, #5dade2);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .login-wrapper {
      width: 100%;
      max-width: 380px;
      padding: 20px;
      animation: fadeSlide 0.6s ease;
    }

    .login-card {
      background: #ffffff;
      border-radius: 10px;
      padding: 30px 26px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.25);
      text-align: center;
    }

    .logo {
      margin-bottom: 20px;
    }

    .logo img {
      width: 90px;
    }

    h2 {
      margin: 0 0 5px;
      color: #0b5ed7;
    }

    .subtitle {
      font-size: 13px;
      color: #666;
      margin-bottom: 25px;
    }

    input {
      width: 100%;
      padding: 12px 14px;
      margin-bottom: 14px;
      border-radius: 6px;
      border: 1px solid #ccc;
      font-size: 14px;
      transition: all 0.25s ease;
    }

    input:focus {
      border-color: #0b5ed7;
      outline: none;
      box-shadow: 0 0 0 2px rgba(11, 94, 215, 0.15);
    }

    button {
      width: 100%;
      padding: 12px;
      border: none;
      border-radius: 6px;
      background: #0b5ed7;
      color: #fff;
      font-size: 15px;
      cursor: pointer;
      transition: background 0.25s ease, transform 0.15s ease;
    }

    button:hover {
      background: #084298;
      transform: translateY(-1px);
    }

    .error {
      margin-top: 12px;
      font-size: 13px;
      color: #c0392b;
      background: #fdecea;
      padding: 8px;
      border-radius: 4px;
    }

    @keyframes fadeSlide {
      from {
        opacity: 0;
        transform: translateY(25px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @media (max-width: 480px) {
      .login-card {
        padding: 26px 20px;
      }
    }