* { 
      margin: 0; 
      padding: 0; 
      box-sizing: border-box; 
      font-family: 'Poppins', sans-serif; 
    }

    body {
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      background: linear-gradient(135deg, #0a1428 0%, #1a2634 50%, #162233 100%);
      overflow-x: hidden;
      position: relative;
      padding: 20px 0;
    }

    /* Animated background shapes */
    .bg-decoration {
      position: fixed;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      z-index: 0;
      overflow: hidden;
    }

    .shape {
      position: absolute;
      opacity: 0.15;
      filter: blur(60px);
    }

    .shape-1 {
      width: 400px;
      height: 400px;
      background: linear-gradient(135deg, #0066ff 0%, #0099ff 100%);
      border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
      top: -200px;
      left: -100px;
      animation: blob1 12s infinite;
    }

    .shape-2 {
      width: 350px;
      height: 350px;
      background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
      border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
      bottom: -150px;
      right: -100px;
      animation: blob2 14s infinite;
    }

    .shape-3 {
      width: 300px;
      height: 300px;
      background: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
      border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
      top: 50%;
      right: 10%;
      animation: blob3 16s infinite;
    }

    @keyframes blob1 {
      0%, 100% { transform: translate(0, 0) scale(1); }
      33% { transform: translate(30px, -50px) scale(1.1); }
      66% { transform: translate(-20px, 20px) scale(0.9); }
    }

    @keyframes blob2 {
      0%, 100% { transform: translate(0, 0) scale(1); }
      33% { transform: translate(-30px, 50px) scale(0.9); }
      66% { transform: translate(20px, -20px) scale(1.1); }
    }

    @keyframes blob3 {
      0%, 100% { transform: translate(0, 0) scale(1); }
      33% { transform: translate(-50px, -30px) scale(1.1); }
      66% { transform: translate(30px, 30px) scale(0.9); }
    }

    .container-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 100%;
      height: auto;
      position: relative;
      z-index: 1;
      gap: 20px;
      padding: 20px;
      max-width: 500px;
      margin: 0 auto;
    }

    .login-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      flex: none;
      width: 100%;
      animation: slideInUp 0.8s ease-out;
    }

    .logo-section {
      flex: none;
      display: flex;
      justify-content: center;
      animation: slideInDown 0.8s ease-out;
      width: 100%;
    }

    .logo-section img {
      max-width: 280px;
      height: auto;
      max-height: 280px;
      filter: drop-shadow(0 20px 50px rgba(0, 102, 255, 0.5));
      transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
      position: relative;
      z-index: 2;
    }

    .logo-section img:hover {
      transform: translateY(-15px) scale(1.08);
      filter: drop-shadow(0 30px 60px rgba(0, 153, 255, 0.6));
    }

    .login-card {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
      border-radius: 20px;
      padding: 40px 35px;
      width: 100%;
      box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(0, 102, 255, 0.2),
        inset 0 0 0 1px rgba(255, 255, 255, 0.8);
      border: 1px solid rgba(0, 102, 255, 0.2);
      backdrop-filter: blur(20px);
      animation: fadeInUp 0.6s ease-out 0.2s both;
      position: relative;
      overflow: hidden;
    }

    .login-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 153, 255, 0.5), transparent);
      animation: shimmer 3s infinite;
    }

    .login-header {
      text-align: center;
      margin: -40px -35px 30px -35px;
      width: calc(100% + 70px);
      padding: 25px 35px 20px 35px;
      border-bottom: 2px solid rgba(0, 102, 255, 0.2);
      position: relative;
      background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 153, 255, 0.05) 100%);
      border-radius: 20px 20px 0 0;
    }

    .login-header::before {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 2px;
      background: linear-gradient(90deg, transparent, #0066ff, #00d4ff, transparent);
      animation: shimmer 2s infinite;
    }

    .login-header h1 {
      font-size: 28px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 8px;
      background: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.5px;
      text-shadow: 0 0 30px rgba(0, 102, 255, 0.3);
      animation: textGlow 2.5s ease-in-out infinite;
    }

    .login-header p {
      font-size: 14px;
      color: #aaa;
      font-weight: 400;
      margin: 0;
    }

    .form-group {
      position: relative;
      margin-bottom: 28px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #555;
      margin-bottom: 10px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      transition: color 0.3s ease;
    }

    .form-group input {
      width: 100%;
      padding: 14px 16px;
      font-size: 15px;
      border: 2px solid #e0e0e0;
      border-radius: 12px;
      outline: none;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      background: linear-gradient(135deg, #fafbfc 0%, #f5f7fa 100%);
      position: relative;
      overflow: hidden;
    }

    .form-group input::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
      transition: left 0.5s;
    }

    .form-group input:focus {
      border-color: #0066ff;
      background: linear-gradient(135deg, #ffffff 0%, #f9fbff 100%);
      box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.15), 0 8px 16px rgba(0, 102, 255, 0.1);
      transform: translateY(-2px);
    }

    .form-group input::placeholder {
      color: #bbb;
    }

    .error-message {
      font-size: 12px;
      color: #e74c3c;
      margin-top: 6px;
      display: flex;
      align-items: center;
      gap: 5px;
      animation: slideDown 0.3s ease;
    }

    .error-message::before {
      content: "?";
      font-weight: bold;
    }

    .form-description {
      font-size: 14px;
      color: #666;
      margin-bottom: 30px;
      line-height: 1.6;
      padding: 15px;
      background: rgba(0, 102, 255, 0.05);
      border-left: 3px solid #0066ff;
      border-radius: 8px;
    }

    .btn-login {
      width: 100%;
      padding: 14px 24px;
      background: linear-gradient(135deg, #0066ff 0%, #0099ff 100%);
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      border: none;
      border-radius: 12px;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      position: relative;
      overflow: hidden;
      margin-top: 10px;
      box-shadow: 
        0 8px 20px rgba(0, 102, 255, 0.3),
        inset 0 0 0 1px rgba(255, 255, 255, 0.3);
    }

    .btn-login::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
      transition: left 0.5s ease;
      z-index: 0;
    }

    .btn-login:hover::before {
      left: 100%;
    }

    .btn-login:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 
        0 15px 40px rgba(0, 102, 255, 0.5),
        inset 0 0 0 1px rgba(255, 255, 255, 0.4),
        0 0 20px rgba(0, 153, 255, 0.3);
    }

    .btn-login:active {
      transform: translateY(-1px);
    }

    .btn-login:disabled {
      opacity: 0.7;
      cursor: not-allowed;
    }

    .btn-login span {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .back-link {
      text-align: center;
      margin-top: 20px;
    }

    .back-link a {
      font-size: 14px;
      color: #0066ff;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      display: inline-block;
    }

    .back-link a:hover {
      color: #0052cc;
      transform: translateX(-3px);
    }

    .back-link a::before {
      content: "? ";
      opacity: 0;
      transition: opacity 0.3s ease;
      display: inline-block;
    }

    .back-link a:hover::before {
      opacity: 1;
    }

    @keyframes slideInUp {
      from {
        opacity: 0;
        transform: translateY(50px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes slideInDown {
      from {
        opacity: 0;
        transform: translateY(-50px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes slideDown {
      from {
        opacity: 0;
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes shimmer {
      0% { left: -100%; }
      100% { left: 100%; }
    }

    @keyframes textGlow {
      0%, 100% { 
        text-shadow: 0 0 20px rgba(0, 102, 255, 0.3), 0 0 40px rgba(0, 153, 255, 0.1);
      }
      50% { 
        text-shadow: 0 0 30px rgba(0, 102, 255, 0.5), 0 0 60px rgba(0, 153, 255, 0.2);
      }
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .container-wrapper {
        gap: 15px;
      }

      .login-card {
        padding: 35px 30px;
      }

      .login-header h1 {
        font-size: 26px;
      }

      .logo-section img {
        max-height: 250px;
      }
    }

    @media (max-width: 768px) {
      body {
        padding: 20px 0;
      }

      .container-wrapper {
        gap: 15px;
        padding: 15px;
        max-width: 100%;
      }

      .logo-section {
        display: flex;
      }

      .logo-section img {
        max-height: 220px;
      }

      .login-wrapper {
        width: 100%;
      }

      .login-card {
        padding: 35px 25px;
      }

      .login-header {
        margin: -35px -25px 25px -25px;
        width: calc(100% + 50px);
        padding: 25px;
      }

      .login-header h1 {
        font-size: 24px;
      }

      .form-group {
        margin-bottom: 20px;
      }
    }

    @media (max-width: 480px) {
      .container-wrapper {
        gap: 12px;
        padding: 12px;
      }

      .logo-section img {
        max-height: 180px;
      }

      .login-card {
        padding: 28px 20px;
        border-radius: 16px;
      }

      .login-header {
        margin: -28px -20px 20px -20px;
        width: calc(100% + 40px);
        padding: 20px;
      }

      .login-header h1 {
        font-size: 22px;
      }

      .login-header p {
        font-size: 13px;
      }

      .form-group label {
        font-size: 12px;
      }

      .form-group input {
        padding: 12px 14px;
        font-size: 14px;
      }

      .btn-login {
        padding: 12px 20px;
        font-size: 14px;
      }

      .form-group {
        margin-bottom: 18px;
      }

      .form-description {
        font-size: 13px;
        padding: 12px;
      }
    }

    /* Form validation styles */
    .form-group input.is-invalid {
      border-color: #e74c3c;
      background-color: rgba(231, 76, 60, 0.05);
    }

    .form-group input.is-valid {
      border-color: #27ae60;
      background-color: rgba(39, 174, 96, 0.05);
    }