:root {
    --primary-color: #0d6efd;
    --primary-dark: #0a58ca;
    --secondary-color: #6c757d;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.login-container {
    max-width: 480px;
    width: 100%;
    padding: 1.5rem;
}

.login-card {
    border-radius: 1rem;
    border: none;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem 1.5rem;
    text-align: center;
}

.login-logo {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header-icon {
    font-size: 2.5em;
    color: #ffffff;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
    vertical-align: middle;
    margin-right: 0.75rem;
    display: inline-block;
}

.login-body {
    padding: 2.5rem 2rem;
    background-color: white;
}

.form-floating {
    margin-bottom: 1.5rem;
}

.form-floating > label {
    padding-left: 1.75rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 0.75rem;
    transform: translateY(-50%);
    color: var(--secondary-color);
    z-index: 2;
}

.btn-login {
    padding: 0.75rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}

.login-footer {
    text-align: center;
    padding: 1.5rem;
    background-color: rgba(0, 0, 0, 0.02);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--secondary-color);
}

.alert {
    border-radius: 0.5rem;
    border-left: 5px solid;
}

.alert-danger {
    border-left-color: #dc3545;
}

.alert-success {
    border-left-color: #198754;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--secondary-color);
    z-index: 10;
}

@media (max-width: 576px) {
    .login-container {
        padding: 1rem;
    }
    
    .login-body {
        padding: 1.5rem 1rem;
    }
}