/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1F5BAB 0%, #0D3A7F 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: center;
    align-items: center;
}

/* Tarjeta de login */
.login-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 440px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #1F5BAB 0%, #55BA0F 100%);
}

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

.logo {
    height: 80px;
    margin-bottom: 20px;
}

.logo-container h1 {
    font-size: 24px;
    font-weight: 600;
    color: #1F5BAB;
    margin-bottom: 8px;
}

.logo-container p {
    color: #666;
    font-size: 15px;
}

/* Formulario */
.login-form {
    margin-top: 20px;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    font-size: 16px;
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
}

.input-group input:focus {
    border-color: #1F5BAB;
    box-shadow: 0 0 0 3px rgba(31, 91, 171, 0.2);
    outline: none;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 16px;
}

/* Opciones */
.options-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 14px;
}

.remember-me {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.remember-me input {
    margin-right: 8px;
}

.forgot-password {
    color: #1F5BAB;
    text-decoration: none;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: #0D3A7F;
    text-decoration: underline;
}

/* Botón de login */
.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, #1F5BAB 0%, #0D3A7F 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-btn:hover {
    background: linear-gradient(90deg, #0D3A7F 0%, #1F5BAB 100%);
    box-shadow: 0 4px 12px rgba(31, 91, 171, 0.3);
    transform: translateY(-2px);
}

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

.login-btn i {
    margin-left: 10px;
    font-size: 14px;
}

/* Footer */
.main-footer {
    margin-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.main-footer p {
    margin-bottom: 5px;
}

.version {
    font-size: 12px;
    opacity: 0.7;
}

/* Mensajes de error */
.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    display: block;
}

/* Responsive */
@media screen and (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .login-card {
        padding: 30px 25px;
    }
    
    .options-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .forgot-password {
        margin-top: 10px;
    }
}

@media screen and (max-width: 480px) {
    .login-card {
        padding: 25px 20px;
    }
    
    .logo {
        height: 70px;
    }
    
    .logo-container h1 {
        font-size: 20px;
    }
    
    .input-group input {
        padding: 12px 12px 12px 40px;
    }
}