body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
    width: 100%;
    max-width: 400px;
    margin: 20px auto;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #333;
    font-weight: 600;
    font-size: 2rem;
}

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

.btn-login {
    background: #4e73df;
    border: none;
    padding: 15px;
    font-weight: 500;
    width: 100%;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #2e59d9;
    transform: translateY(-2px);
}

.input-group-text {
    background: transparent;
    border-right: none;
}

.form-control {
    border-left: none;
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
    display: none;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.d-none {
    display: none;
}