* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0066cc;
    --secondary-blue: #0052a3;
    --light-blue: #e6f2ff;
    --dark-blue: #003d7a;
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #f8f9fa;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0066cc 0%, #003d7a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
    animation: fadeInUp 0.6s ease-out;
}

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

.card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    background: var(--white);
}

.card-body {
    padding: 50px 40px;
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo-container img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.app-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.app-tagline {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 0;
    font-weight: 400;
}

.welcome-text {
    text-align: center;
    margin-bottom: 35px;
}

.welcome-text h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 8px;
}

.welcome-text p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 0;
}

.form-label {
    font-weight: 500;
    color: var(--dark-blue);
    font-size: 14px;
    margin-bottom: 8px;
}

.input-group {
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.input-group-text {
    background-color: var(--light-blue);
    border: 2px solid var(--light-blue);
    color: var(--primary-blue);
    border-right: none;
    padding: 12px 15px;
}

.form-control {
    border: 2px solid var(--light-blue);
    border-left: none;
    padding: 12px 15px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: none;
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary-blue);
    background-color: var(--primary-blue);
    color: var(--white);
}

.form-control.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: block;
    font-size: 0.875rem;
    color: #dc3545;
    margin-top: 0.25rem;
}

.form-check {
    margin-bottom: 25px;
}

.form-check-input {
    border: 2px solid var(--primary-blue);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.form-check-label {
    font-size: 14px;
    color: var(--gray);
    cursor: pointer;
    user-select: none;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border: none;
    border-radius: 10px;
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 102, 204, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

.forgot-password {
    text-align: center;
}

.forgot-password a {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.forgot-password a:hover {
    color: var(--secondary-blue);
    text-decoration: underline;
}

.feature-info {
    background: var(--light-blue);
    border-radius: 10px;
    padding: 15px;
    margin-top: 25px;
    text-align: center;
}

.feature-info p {
    margin: 0;
    font-size: 13px;
    color: var(--primary-blue);
}

.feature-info i {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--primary-blue);
}

@media (max-width: 576px) {
    .card-body {
        padding: 40px 30px;
    }

    .app-title {
        font-size: 28px;
    }

    .logo-container img {
        width: 100px;
        height: 100px;
    }
}

.swal2-popup {
    border-radius: 15px;
}

.swal2-confirm {
    background-color: var(--primary-blue) !important;
}