:root {
      --primary: #00C853;
      --primary-light: #5EFC82;
      --primary-dark: #007E33;
      --white: #FFFFFF;
      --light-bg: #F5F7FA;
      --text: #2E3D49;
      --gray: #E0E0E0;
      --gray-light: #F0F0F0;
      --shadow: 0 8px 24px rgba(0, 200, 83, 0.15);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      --border-radius: 24px;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: 'Poppins', sans-serif;
      background: linear-gradient(135deg, var(--light-bg) 0%, #e6f9ed 100%);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      margin: 0;
      padding: 20px;
      color: var(--text);
    }

    .alert {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      padding: 15px 30px;
      border-radius: var(--border-radius);
      box-shadow: var(--shadow);
      z-index: 1000;
      max-width: 90%;
      width: auto;
      text-align: center;
      animation: slideIn 0.5s ease-out, fadeOut 0.5s ease-in 4s forwards;
      display: flex;
      align-items: center;
      justify-content: center;
      backdrop-filter: blur(10px);
      background-color: rgba(255, 255, 255, 0.9);
    }

    @keyframes slideIn {
      from {
        top: -50px;
        opacity: 0;
      }
      to {
        top: 20px;
        opacity: 1;
      }
    }

    @keyframes fadeOut {
      to {
        opacity: 0;
        visibility: hidden;
      }
    }

    .alert-success {
      color: var(--primary-dark);
      border-left: 4px solid var(--primary);
    }

    .alert-error {
      color: #D32F2F;
      border-left: 4px solid #F44336;
    }

    .alert i {
      margin-right: 10px;
      font-size: 1.2rem;
    }

    .card {
      background: rgba(255, 255, 255, 0.95);
      border-radius: var(--border-radius);
      box-shadow: var(--shadow);
      width: 100%;
      max-width: 380px;
      padding: 30px;
      margin-top: 20px;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
      backdrop-filter: blur(5px);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 28px rgba(0, 200, 83, 0.2);
    }

    .card::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, var(--primary-light) 0%, rgba(0, 200, 83, 0) 70%);
      opacity: 0.1;
      z-index: -1;
    }

    .logo-container {
      text-align: center;
      margin-bottom: 25px;
      animation: fadeIn 0.8s ease-out;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(-20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .logo {
      width: 100px;
      height: 100px;
    
      
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 200, 83, 0.3);
      transition: var(--transition);
    }

    .logo:hover {
      transform: scale(1.1) rotate(10deg);
    }

    .logo img {
      width: 80%;
      height: auto;
      border-radius: 10px;
    }

    h2 {
      text-align: center;
      margin: 0 0 10px;
      color: var(--primary-dark);
      font-weight: 600;
      font-size: 1.5rem;
    }

    .subtitle {
      text-align: center;
      color: #666;
      font-size: 0.9rem;
      margin-bottom: 25px;
      font-weight: 400;
    }

    .form-group {
      margin-bottom: 20px;
      position: relative;
      animation: fadeInUp 0.5s ease-out;
      animation-fill-mode: both;
    }

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

    .form-group:nth-child(1) { animation-delay: 0.1s; }
    .form-group:nth-child(2) { animation-delay: 0.2s; }
    .form-group:nth-child(3) { animation-delay: 0.3s; }
    .form-group:nth-child(4) { animation-delay: 0.4s; }
    .form-group:nth-child(5) { animation-delay: 0.5s; }

    .form-group i {
      position: absolute;
      left: 18px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--primary);
      font-size: 16px;
      transition: var(--transition);
    }

    input {
      width: 100%;
      padding: 14px 14px 14px 45px;
      border: 1px solid var(--gray);
      border-radius: var(--border-radius);
      font-size: 14px;
      transition: var(--transition);
      background: var(--gray-light);
      color: var(--text);
    }

    input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.2);
      background: var(--white);
    }

    input:focus + i {
      color: var(--primary-dark);
      transform: translateY(-50%) scale(1.1);
    }

    .form-actions {
      text-align: center;
      margin-top: 25px;
      animation: fadeInUp 0.5s ease-out 0.6s both;
    }

    button {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: var(--white);
      border: none;
      border-radius: var(--border-radius);
      font-size: 16px;
      font-weight: 500;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 6px rgba(0, 200, 83, 0.2);
      position: relative;
      overflow: hidden;
    }

    button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 12px rgba(0, 200, 83, 0.3);
    }

    button:active {
      transform: translateY(0);
    }

    button::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 5px;
      height: 5px;
      background: rgba(255, 255, 255, 0.5);
      opacity: 0;
      border-radius: 100%;
      transform: scale(1, 1) translate(-50%);
      transform-origin: 50% 50%;
    }

    button:focus:not(:active)::after {
      animation: ripple 1s ease-out;
    }

    @keyframes ripple {
      0% {
        transform: scale(0, 0);
        opacity: 0.5;
      }
      100% {
        transform: scale(20, 20);
        opacity: 0;
      }
    }

    .link-container {
      text-align: center;
      margin-top: 20px;
      animation: fadeIn 0.5s ease-out 0.7s both;
    }

    .link {
      color: var(--primary);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: var(--transition);
      display: inline-block;
      position: relative;
    }

    .link:hover {
      color: var(--primary-dark);
    }

    .link::after {
      content: '';
      position: absolute;
      width: 100%;
      transform: scaleX(0);
      height: 2px;
      bottom: -2px;
      left: 0;
      background-color: var(--primary);
      transform-origin: bottom right;
      transition: transform 0.25s ease-out;
    }

    .link:hover::after {
      transform: scaleX(1);
      transform-origin: bottom left;
    }

    .password-toggle {
      position: absolute;
      right: 15px;
      top: 50%;
      transform: translateY(-50%);
      cursor: pointer;
      color: var(--primary);
      transition: var(--transition);
    }

    .password-toggle:hover {
      color: var(--primary-dark);
    }

    /* Animation for form elements */
    @keyframes float {
      0%, 100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-5px);
      }
    }

    .floating {
      animation: float 3s ease-in-out infinite;
    }