:root {
    --primary-color: #2E7D32;    /* Verde ecológico principal */
    --secondary-color: #1F2937;  /* Gris oscuro */
    --accent-color: #4CAF50;     /* Verde más claro para hover */
}

body {
    background-color: var(--secondary-color);
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    font-family: 'Roboto', sans-serif;
}

.login-container {
    margin: auto;
    padding: 20px;
    max-width: 500px;
    width: 90%;
}

.login-card {
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    background-color: white;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header img {
    max-width: 200px;
    margin-bottom: 25px;
}

.login-header h4 {
    color: var(--secondary-color);
    font-size: 2.2rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.input-field {
    margin-bottom: 25px;
}

.input-field input {
    font-size: 1.2rem !important;
}

.input-field label {
    font-size: 1.1rem;
}

.input-field input:focus + label {
    color: var(--accent-color) !important;
}

.input-field input:focus {
    border-bottom: 2px solid var(--accent-color) !important;
    box-shadow: 0 1px 0 0 var(--accent-color) !important;
}

.input-field .prefix {
    color: var(--secondary-color);
    font-size: 2rem;
}

.input-field .prefix.active {
    color: var(--accent-color);
}

.btn {
    background-color: var(--primary-color) !important;
    color: white !important;
    font-size: 1.2rem;
    height: 54px;
    line-height: 54px;
    width: 100%;
    margin-top: 20px;
    text-transform: uppercase;
    font-weight: 500;
    border-radius: 8px;
}

.btn:hover {
    background-color: var(--accent-color) !important;
}

.btn i {
    font-size: 1.6rem;
}

#error-message, #success-message {
    display: none;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.1rem;
}

#error-message {
    background-color: #ffebee;
    color: #c62828;
}

#success-message {
    background-color: #e8f5e9;
    color: #2e7d32;
}

/* Efecto de taxi en el fondo */
.taxi-pattern {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: repeating-linear-gradient(
        45deg,
        var(--primary-color),
        var(--primary-color) 10px,
        var(--secondary-color) 10px,
        var(--secondary-color) 20px
    );
}

/* Responsive adjustments */
@media only screen and (max-width: 600px) {
    .login-container {
        padding: 10px;
    }
    
    .login-card {
        padding: 20px;
    }

    .login-header h4 {
        font-size: 1.8rem;
    }
}

#error-message {
    display: none;
    color: #f44336;
    padding: 10px;
    margin-bottom: 15px;
    text-align: center;
}

#success-message {
    display: none;
    color: #4CAF50;
    padding: 10px;
    margin-bottom: 15px;
    text-align: center;
}