:root {
    --rose-600: #b45b6b;
    --rose-400: #ffb6b9;
    --cream: #fff8f8;
    --leaf: #6AB187;
    --shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
    }

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

    body {
    min-height: 100vh;
    background: linear-gradient(135deg, whitesmoke);
    display: flex;
    justify-content: center;
    align-items: center;
    }

    .login-container {
    background: #f7f5f5;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 1s ease forwards;
    position: relative;
    overflow: hidden;
    }

    @keyframes fadeIn {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
    }

    .login-container h2 {
    text-align: center;
    color: var(--rose-600);
    margin-bottom: 30px;
    font-weight: 700;
    animation: slideDown 0.8s ease forwards;
    }

    @keyframes slideDown {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
    }

    .form-group {
    position: relative;
    margin-bottom: 25px;
    }

    .form-group input {
    width: 100%;
    padding: 12px 40px 12px 15px;
    border: 2px solid #eee;
    border-radius: 10px;
    font-size: 16px;
    outline: none;
    transition: 0.3s;
    background: transparent;
    }

    .form-group input:focus {
    border-color: var(--rose-600);
    box-shadow: 0 4px 10px rgba(180, 91, 107, 0.2);
    }

    .form-group label {
    position: absolute;
    top: 12px;
    left: 15px;
    color: #999;
    font-size: 16px;
    pointer-events: none;
    transition: 0.3s;
    background: var(--cream);
    padding: 0 5px;
    }

    .form-group input:focus + label,
    .form-group input:not(:placeholder-shown) + label {
    top: -10px;
    left: 10px;
    color: var(--rose-600);
    font-size: 13px;
    }

    .toggle-password {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    cursor: pointer;
    color: #aaa;
    transition: 0.3s;
    }

    .toggle-password:hover {
    color: var(--rose-600);
    }

    .login-btn {
    width: 100%;
    padding: 12px;
    background: var(--rose-600);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    }

    .login-btn:hover {
    background: var(--leaf);
    color: #fff;
    }

    .login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    }

    .login-footer a {
    color: var(--rose-600);
    text-decoration: none;
    transition: 0.3s;
    }

    .login-footer a:hover {
    color: var(--leaf);
    }

    .alert {
    padding: 10px;
    background: #f8d7da;
    color: #842029;
    border-radius: 8px;
    margin-bottom: 15px;
    text-align: center;
    font-size: 14px;
    }
    /* Success Message (Green) */
    .alert-success {
    background: #d1e7dd !important;
    color: #0f5132 !important;
    border-radius: 8px;
    }

    .back-btn {
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 14px;
    color: var(--rose-600);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
    }

    .back-btn i {
    margin-right: 5px;
    }

    .back-btn:hover {
    color: var(--leaf);
    }

    .alert.fade-out {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    }